Project Management Plan

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PROJECT MANAGEMENT PLAN
Revision History
Revision
Number
0
1
Revision
Date
11/04
02/05
2
07/05
3
05/06
Description of Changes
Original Issue
Partial Revision- Changes made to
incorporate PMOC Comments
Partial Revision- Changes made to
incorporate PMOC Comments
Partial Revision- Changes made to
incorporate PMOC Comments
Document
Number
ARIY-003-08-1104
ARIY-003-09-0205
ARIY-003-1 0-0705
ARIY-003-1 1-0506
LRT Buildout Phase II -A Project Management Plan
DART
Project Management Plan
Table of Contents
List of Exhibits
in
List of Acronyms
iv
Introduction
1-1
Light Rail Vehicles
2-1
Traction Electrification
3-1
Signal System
4-1
Communication and Central Control System
5-1
Corrosion Control
6-1
Fare Collection
7-1
Northwest Corridor, Line Section NW-1A
8-1
Northwest Corridor, Line Section NW-1B
9-1
Northwest Corridor, Line Section NW-2
10-1
Northwest Corridor, Line Section NW-3
11-1
Northwest Corridor, Line Section NW-4
12-1
Southeast Corridor, Line Section SE-1
13-1
Southeast Corridor, Line Section SE-2
14-1
Northwest Rail Operations Facility (NWROF)
15-1
Trackwork
16-1
Art and Design Program
17-1
Landscaping
18-1
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
EXHIBITS
Exhibit
Title
1-1
1-2
1-3
1-4
1-5
1-6
1-7
LRT Buildout Phase II-A
DART Management Organizational Chart
Project Management Department
Project Management Department (overview)
LRT Buildout Phase H-A Summary Budget
LRT Phase II-A Buildout Master Schedule
Real Estate Acquisition Process
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
ACRONYMS
A&DP
A&E
AA
AASHTO
ACM
ACI
ADA
AGC
AISC
ANSI
APE
APTA
AREMA
ASCE
ASHRAE
ATC
ATO
AVP
Art and Design Program
Architects & Engineers
Alternatives Analysis
American Association of State Highway and Transportation Officials
Area Construction Manager
American Concrete Institute
Americans with Disabilities Act
Association of General Contractors
American Institute of Steel Construction
American Nationals Standards Institute
Area of Potential Effect
American Public Transit Association
American Railway Engineer and Maintenance -of way Association
American Society of Civil Engineers
American Society of Heating, Refrigeration and Air Conditioning Engineers
Addison Transit Center
Automatic Train Operation
Assistant Vice President
BAFO
BNSF
Best and Final Offer
Burlington Northern Santa Fe
C&S
CA
CAA
CAAA
CAC
CADD
CAR
CBD
CBIS
CCB
CCC
CCP
CEM
CEQ
CERCLA
CFM
CICE
CII
CIP
CIPMP
CM
CMAQ
CMO
CMS
CMS
CO
Communications & Signals
Contract Administrator
Clean Air Act
Clean Air Act Amendments (of 1990)
Community Action Committee
Computer Aided Design Drafting
Corrective Action Report
Central Business District
Contract Bid Item Structure
Change Control Board
Change Control Coordinator
Change Control Procedures
Construction Engineering Manager
Council of Environmental Quality
Comprehensive Environmental Response, Compensation & Recovery Act
Configuration Management
Construction Industry Cost Effectiveness (Program)
Construction Industry Institute
Capital Improvement Program
Capital Improvement Program Management Plan
Construction Manager
Congestion Mitigation & Air Quality
Construction Management Office (or Organization)
Congestion Management System
Cost Management System
Contracting Officer
LRT Build-Out Phase II-A Project Management Plan
in
Revision 3: May 26,2006
LRT Buildout Phase II -A Project Management Plan
COE
COR
COTR
CPFF
CPM
CPTED
CR
CRILA
CRP
CRS
CRSO
CSG
CVS
CWA
CWE
Corps of Engineers
Contracting Officer's Representative
Contracting Officer's Technical Representatives
Cost Plus Fixed Fee
Critical Path Method
Crime Prevention Through Environmental Design
Commuter Rail
Cost Reimbursement Inter-local Agreement (between Dallas & Ft. Worth)
Commuter Rail Program
Commuter Rail System
Commuter Rail Service Operator
Cost & Schedule Group
Certified Value Specialist
Clean Water Act
Current Working Estimate
DART
DBE
DEIS
DEI
D/FW
DMG
D/M/WBE
DRB
DRC
DOT
Dallas Area Rapid Transit
Disadvantaged Business Enterprise
Draft Environmental Impact Statement
Design/Furnish/Install
Dallas/Fort Worth
Development Management Group
Disadvantaged/Minority/Women-Owned Business Enterprise
Disputes Review Board
Design Review Coordinator
Department of Transportation
EA
ECS
EDC
EEO
EIS
EMF
EMT
EPA
EPCRA
ESA
ET
ETC
EVP
EWP
Environmental Assessment
Environmental Compliance Section
Engineering Document Control
Equal Employment Opportunity
Environmental Impact Statement
Equipment Maintenance Facility
Executive Management Team
Environmental Protection Agency
Emergency Planning and Community Right to Know Act
Environmental Site Assessment
Electrical & Track
Estimate to Complete
Executive Vice President
Engineering Work Program
FDC
FEIS
FFGA
FFP
FHWA
FLEA
FLSC
FMB
FMO
Facility Design Consultant
Final Environmental Impact Statement
Full Funding Grant Agreement
Firm Fixed Price
Federal Highway Administration
Final Local Environmental Assessment
Fire/Life Safety Committee
Facility Maintenance Building
Financial Management Oversight
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
FPTC
FRA
FTA
FY
Fair Park Transit Center
Federal Railroad Administration
Federal Transit Administration
Fiscal Year
G-l
G-2
G-3
GC
GEC
GMIS
Garland - Line Section 1
Garland - Line Section 2
Garland Line Section 3
General Contractor
General Engineering Consultant
Grants Management Information System
HAZ/COM
HMTA
HOV
HTC
Hazardous Communication
Hazardous Materials Transportation Act
High Occupancy Vehicle
Hampton Transit Center
1-1
1-2
1-3
ICE
IFB
ILA
IOP
IR
ISTEA
ITC
Irving - Line Section 1
Irving - Line Section 2
Irving - Line Section 3
Independent Cost Estimate
Invitation for Bid
Interlocal Agreement
Innocent Owner/Operator Program
Inspection Report
Intermodal Surface Transportation Efficiency Act (of 1991)
Illinois Transit Center
JDP
Joint Development Project
LAN
LEA
LOS
LNG
LPA
LPIS
LRT
LRV
LTC
LUC
Local Area Network
Local Environmental Assessment
Loss of Service
Liquefied Natural Gas
Locally Preferred Alternative
Locally Preferred Investment Strategy
Light Rail Transit
Light Rail Vehicle
Ledbetter Transit Center
Local Users Council
MBE
MIS
MOS
MPO
MSDS
Minority Business Enterprise
Major Investment Study
Minimum Operable Segment
Metropolitan Planning Organization
Material Safety Data Sheet
NC-1
NC-2
NC-3
NC-4
North Central - Line Section 1
North Central - Line Section 2
North Central - Line Section 3
North Central - Line Section 4
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
NC-5
NCA
NCMTF
NCR
NCTCOG
NCTRCA
NDE
NEPA
NFPA
NHPA
NOC
N.O.I
NOR
N.O.T.
NPDES
NRC
NTE
NTP
NW-1A
NW-1B
NW-2
NW-3
NW-4
NWROF
North Central - Line Section 5
Noise Control Act
North Central Mobility Task Force
Non-Conformance Reports
North Central Texas Council of Governments
North Central Texas Regional Certification Agency
Non-destructive Examination
National Environmental Policy Act
National Fire Protection Association
National Historical Preservation Act
North Oak Cliff
Notice of Intent
Notice of Rejection
Notice of Termination
National Pollutant Discharge Elimination System
National Research Council
Not To Exceed
Notice to Proceed
Northwest - Line Section 1A
Northwest - Line Section IB
Northwest - Line Section 2
Northwest - Line Section 3
Northwest - Line Section 4
Northwest Rail Operations Facility
O&M
OC-1
OC-2
OCC
OCI
OCEP
OMBE
OSHA
Operations & Maintenance
Oak Cliff - Line Section 1
Oak Cliff- Line Section 2
Operations Control Center
Owner Controlled Insurance
Owner Controlled Insurance Program
Office of Minority Business Enterprise
Occupational Safety & Health Administration
P&DD
PCS
PCC
PDP
PE
PERT
PGTC
PLS
PM
PMD
PMFR
PMMD
PMO
PMOC
PMP
PPA
PR
Planning and Development Department
Project Commitment Structure
Project Controls Consultant
Project Definition Package
Preliminary Engineering
Program Evaluation & Review Technique
Pleasant Grove Transit Center
Park Lane Station
Project Manager
Project Management Department
Project Management File Room
Procurement & Materials Management Department
Project Management Organization (or Office)
Project Management Oversight Contractor
Project Management Plan
Pollution Prevention Act
Procurement Requisition
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
PTL
PUC
Passenger Transfer Location
Public Utility Commission
QA
QAP
QC
Quality Assurance
Quality Assurance Program
Quality Control
R-l
RCM
RCRA
RDC
RE
RFP
RFQ
RFS
RIP
RMD
RMP
ROD
ROI
ROW
RTC
RTP
R/W
Rowlett - Line Section 1
Resident Construction Manager
Resource Conservation and Recovery Act
Rail Diesel Car
Resident Engineer
Request for Proposal
Request for Quotation
Release for Shipment
Reliability Improvement Program
Risk Management Division
Risk Management Plan
Record of Decision
Return on Investment
Right of Way
Regional Transportation Council
Regional Transportation Plan
Right of Way
SARA
S&I
SDC
SDWA
SE-1
SE-2
SEC
SEM
SHPO
SIC
SIC
SOC-1
SOC-2
SOCBOF
SOV
SOW
SPRR
SSCP
SSCRT
SSEMP
SSMP
SSPP
STIP
STP
STTC
STURAA
Superfund Amendments & Reauthorization Act
Service & Inspection
System Design Consultant
Safe Drinking Water Act
Southeast - Line Section 1
Southeast - Line Section 2
Source Evaluation Committee
System Element Manager
State Historical Preservation Office
System Integration Consultant
Standard Industrial Code
South Oak Cliff- Line Section 1
South Oak Cliff- Lines Section 2
South Oak Cliff Bus Operating Facility
Single Occupancy Vehicle
Scope of Work
Southern Pacific Railroad
Safety and Security Certification Plan
System Safety Certification Review Team
System Security and Emergency Preparedness Plan
Safety and Security Management Plan
System Safety Program Plan
Statewide Transportation Improvement Program
Surface Transportation Program
Surface Transportation Technical Committee
Surface Transportation & Uniform Relocation Assistance Act (of 1987)
LRT Build-Out Phase II-A Project Management Plan
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LRT Buildout Phase II -A Project Management Plan
SVP
SW3P
Senior Vice President
Storm Water Pollution Prevention Plan
TAG
TAC
TAS
TDK
TDM
TEA-21
TEC
TCEQ
THC
TIP
TMUTD
TPP
TRB
TSC
TSD
TSM
TSP
TU
TVA
TVM
TWCCA
TxDOT
Texas Administrative Code
Technical Advisory Committee
Texas Accessibility Standards
Texas Department of Health
Travel Demand Management
Transportation Equity Act for the 21st Century
Traction Electrification System
Texas Commission on Environmental Quality
Texas Historical Commission
Transportation Improvement Program
Texas Manual of Uniform Traffic Control Devices
Testing Program Plan
Transportation Research Board
Transportation Systems Center
Technical Services Division
Transportation System Management
Transportation (Transit) System Plan
Texas Utilities (Electric Company)
Threat and Vulnerability Analysis
Ticket Vending Machine
Texas Workers Compensation Commission
Texas Department of Transportation
UMTAct
UMTA
UP
UPWP
USACOE
USDOT
UST
Urban Mass Transit Act
Urban Mass Transit Administration
Union Pacific
Unified Planning Work Program
United States Army Corps of Engineers
United States Department of Transportation
Underground Storage Tank
VE
VDC
Value Engineering
Vehicle Design Consultant
WBE
WBS
WOC-1
WOC-2
Women-owned Business Enterprise
Work Breakdown Structure
West Oak Cliff- Line Section 1
West Oak Cliff- Line Section 2
LRT Build-Out Phase II-A Project Management Plan
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Revision 3: May 26,2006
1.0 INTRODUCTION
The Light Rail Transit (LRT) Build-Out Phase II-A Project Management Plan (PMP)
provides specific technical and contractual information on each component of the project.
The project-specific information supplements the Capital Improvement Program
Management Plan (CIPMP), which contains a detailed description of the management
process for the DART Capital Improvement Program.
The PMP is an integral management tool in defining the following for each project element:
> Scope
> Engineering elements
> Design plan
> Construction plan
> Interfaces
> Schedule
> Budget
> Major issues
1.1
PROJECT DESCRIPTION
The Light Rail Build-Out Phase II-A project is shown in Exhibit 1-1. It includes the
following major elements.
Systems - System elements apply to each corridor and include Light Rail Vehicles
(Chapter 2.0), Traction Electrification Systems (Chapter 3.0) Signals (Chapter 4.0),
Communications and Central Control (Chapter 5.0), Corrosion Control (Chapter 6.0) and
Fare Collection (Chapter 7.0). System Elements for the Build-out Phase II-A project are
designed to be consistent with the existing installations of the LRT Starter System and
Build-Out Phase I. The Systems elements are funded from a combination of local and
federal sources.
Northwest Corridor - The Northwest Corridor will add approximately 16.4 miles northwest
from the West End Station to the Frankford Station in the City of Carrollton. The corridor
consists of five line sections, NW-1A (Chapter 8.0), NW-1B (Chapter 9.0), NW-2 Chapter
10.0), NW-3 (Chapter 11.0), and NW-4 (Chapter 12.0). The corridor is a combination of atgrade, aerial, and underground alignments. There are six at-grade stations and six aerial
stations in the corridor. The funding for this corridor is a combination of local and federal
funding with the exception of NW-4, which will be funded locally.
Southeast Corridor - The Southeast Corridor extends for approximately 10.10 miles
southeast from the existing Pearl Station to the Buckner Station in the City of Dallas. The
corridor consists of two line sections, SE-1 (Chapter 13.0), and SE-2 (Chapter 14.0). The
corridor is a combination of at-grade and aerial alignments. There are eight stations on the
corridor, which are all at-grade stations. The funding for this corridor is a combination of
local and federal funding.
LRT Build-Out Phase II-A Project Management Plan
1 -1
Revision 3: May 26,2006
Northwest Rail Operations Facility (NWROF) - The existing S & I Facility is able to
maintain 95 vehicles and store up to 125. This leaves a minimum of 75 vehicles to be
maintained. For planning purposes this facility (Chapter 15.0) will accommodate up to 100
vehicles. This Facility will help to accommodate vehicles associated with the Northwest
Corridor when it opens in 2010. This new facilities requirement to maintain and store up to
100 vehicles results in a target size of approximately 30 acres. This facility will be funded
from a combination of local and federal sources.
Svstemwide Elements - Svstemwide elements include Trackwork Materials (Chapter 16.0)
and an Art and Design Program (Chapter 17.0). The procurement of the Traction Power
Substations (TPSS), Radio Equipment, Car Bourne Cab Signal Equipment, Fare
Equipment, and Operations Control Center (OCC) Modifications are also systemwide
elements. The Art and Design program provide a unique design to each station. These
elements are funded from the combinations of local and federal sources.
1.2
SCOPE
The LRT Build-Out Phase II-A PMP is a supplementary document to the Capital
Improvement Program Management Plan (CIPMP). In many cases, the management and
engineering process for each project component is consistent. The process is described in
detail in the CIPMP. A summary of the relationship between the CIPMP and this PMP is
contained in Section 1.4.
Additional technical and contractual detail for the major components of the LRT Build-Out
Phase II-A project are provided in the Build-Out Phase II-A Project Management Plan. It is
organized with a section for each of the major engineering contracts that constitute the
Build-Out Phase II-A project. It also includes major elements that apply project-wide such
as Corrosion Control, Systems Integration, and Project Controls.
1.3
REFERENCE DOCUMENTS
A number of documents have been developed to help guide the project. The LRT BuildOut Phase II-A PMP is consistent with them and they are as follows:
> Capital Improvement Program Management Plan
> Resident Construction Manager's Manual
> Quality Assurance Program Plan for Capital Projects
> Operations and Maintenance Plan
> System Safety Program Plan
> Construction Safety Program
> Design Criteria Manual
> Change Control Procedures
> Annual New Starts Submittals
> Safety and Security Management Plan
> Safety and Security Certification Plan
LRT Build-Out Phase II-A Project Management Plan
1 -2
Revision 3: May 26,2006
These are issued as controlled documents through DART's Engineering Document
Control (EDC) Section. All revisions to these documents are issued in a controlled
manner as to assure the most current updated information.
1.4
CAPITAL IMPROVEMENT PROGRAM MANAGEMENT PLAN
The LRT Build out Phase II-A PMP provides project specific technical and contractual
information. This project specific information supplements the Capital Improvement
Program Management Plan (CIPMP), which contains a detailed description of the
management process for DART's Capital Improvement Program.
This section describes the major elements of the CIPMP and where they can be
referenced in this document, as well as, any of the other referenced documents above.
1.4.1
Project Description
A descriptive overview of each project is provided in Chapters 2 through 18 of this
PMP.
1.4.2
Project Organization
The organizational structure for this project maximizes the use of the project
"team" approach in both construction management and in administrative functions.
Chapter 3 of the CIPMP details the complete management philosophy utilized on
the LRT Build-Out Phase II-A project.
1.4.2.1 DART Organization Structure:
The DART organizational structure is shown in Exhibit 1-2. More
detailed organizational structure for the DART LRT staff can be found
in the CIPMP, RCM Manual, or requested through the DART Project
Management Department (PMD).
1.4.2.2 Project Management Department:
The DART organizational structure for the PMD is shown in Exhibit 13. Additional information on the organizational structure of the PMD
can be found in Chapter 3 of the CIPMP.
1.4.2.3
1.4.3
Organizational Responsibilities:
Responsibilities and specific tasks for each Management group are
detailed in Chapter 3.4.2 of the CIPMP.
Project Management Control
The Management control for the LRT Build-Out Phase II-A project consists of the
following functional areas:
LRT Build-Out Phase II-A Project Management Plan
1 -3
Revision 3: May 26,2006
EXHIBIT 1-2
DART MANAGEMENT
ORGANIZATIONAL CHART
Board
of
General
Counsel
R. Angle
Directors
Director
Internal Audit
A. Bazis
President/
Executive Director
G. Thomas
Chief of Staff
J. Davis
Exec Vice President/
Chief of Operations
V. Burke
VP
Marketing &
Communication
Bauman
AVP
Marketing
Advertising
AVF
Communication
Stringfellow
AVP
External
Communication
Pena
VP
CFO
Finance
Leary
AVP
Treasurer
Hallett
AVP
Business
Solutions
Vacant
VP
Diversity &
Economic Opp
Dixon
AVP
Diversity
Econ. Opp.
Caldwell
VP
Procurement
VP
Paratransit
VP
Transportation
Mercer
Douglas
Jennings
AVP
Procurement
Support
Mowen
AVP
Contracts
Pritchett
AVP
Paratransit
Operations
Thompson
^^^^^•^•M
AVP
Paratransit
~~ Mgmt. Serv,
Haenftling
Director Board
Support
N.Johnson
AVP
Rail
Operations
Gaul
AVP
Bus
Operations
Myers
XVP
Materials
Mgmt
Sadberry
Exec Vice President
Program Development
B. Gomez
D. Allen
AVP
Fleet
Services
Hale
AVP
Technical
Services
Rogers
AVP - Ways
Structure &
Amenities
Archibald
AVP
Human
Resources
Wise
AVP
Information
System
Jarrett
AVP
Mobility
Programs
Olyai
AVP
Service
Planning
Newby
AVP
Facilities
Engineering
Ugarte
AVP
AVP
Risk
Management
Redding
Sr. VP
Project
Management
McKav
VP
Commuter
Rail
Waters
VP
Human
Resources
Jackson
AVP
Operations
Support
Burton
Exec Vice President
Administration
AVP
System
Engineering
Swindell
Capital
Planning
Salin
AVP
Real Estate
Grounds
AVP
Operations].
Admin.
Hetrick
AVP
Technical
Services
Vacant
^^^ggm
AVP
Constructioi
GollhoferRaines
7./15/05
> Facilities Engineering
> Construction Management
> Systems Engineering
> Technical Services
> Real Estate
> Quality Assurance
Chapter 3 Section 3.4.1 of the CIPMP details the responsibilities of each of these
areas. Exhibit 1-4 displays the organizational chart associated with these
functions. The major elements of the Project Management Control are detailed in
Chapter 4 of the CIPMP. Additional reference material is listed in Section 4.12,
Appendix B, of the CIPMP and the LRT Build-out Phase II-A Project Management
Plan.
Facilities Engineering
The Facilities Engineering group responsibilities include design of civil, structural,
track, mechanical, electrical, architectural, landscaping, art program, and design
support during construction of the facilities contracts. Other responsibilities are
detailed in Chapter 3, Section 3.4.2 of the CIPMP.
Construction Management
The Construction Management group monitors and oversees construction work
associated with the LRT Build-out Phase II-A project, which will be performed by
the Construction Manager/General Contractor (CM/GC).
The CM/GC will provide pre-construction services and construction services upon
agreement of a Guaranteed Maximum Price (GMP) and delivery date.
The pre-construction activities, provided in support of the design effort, include:
> Estimating
> Scheduling
> Constructability Reviews
> Identification of construction materials and methods
The construction activities include:
> Installation of owner furnished and Contractor procured materials and
equipment
> Testing and final integration into the existing LRT system
Further explanation of their efforts can be found in Chapter 3, Section 3.4.2 of the
CIPMP.
LRT Build-Out Phase II-A Project Management Plan
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Revision 3: May 26,2006
The LRT Build-out Phase II-A construction will be divided into three packages,
each package containing multiple elements. Below you will find the package
division and element breakdown of each.
>
CM/GC-1 SE-1, SE-2, NW-1B, NW1-A signals and communications
o Civil/Structural
o Stations
o Trackwork Installation
o Systems
o Landscaping
o Wayside equipment in support of cab signals (NW1 A)
o CBD (Train to Wayside Communications)
o PA/VMB's at Victory Station
>
CM/GC-2
NWROF
o Civil/Structural
o Buildings
o Trackwork Installation
o Systems
o Landscaping
> CM/GC-3
NW-2, NW-3, NW-4
o Civil/Structural
o Stations
o Trackwork Installation
o Systems
o Landscaping
The LRT Build-out Phase II-A track material procurement will be handled directly
through DART and then issued to the CM/GC for installation.
Systems Engineering
The Systems Engineering group is responsible for the design, construction, and
installation of the vehicles and fare collection systems. The Systems Engineering
group is also responsible for the design and design support during
construction/installation of the signals, traction electrification, and communications.
Additional responsibilities and details are listed in Chapter 3 Section 3.4.2 of
CIPMP.
The LRT Build-out Phase II-A contains five special procurement items relating to
final design, manufacture, and installation of equipment/software in support of
systems. They are defined as follows:
> Traction Power Substations (TPSS)
> Operations Control Center (OCC)
> Radio Subsystems
LRT Build-Out Phase II-A Project Management Plan
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Revision 3: May 26,2006
> Car Borne Cab Signal Equipment
> Fare Collection
The LRT Build-out Phase II-A contains two separate vehicle contracts, which will
be supported by Systems Engineering. They are defined as follows:
> Retrofit of existing vehicle fleet
> New Vehicle Acquisition
Technical Services
The Technical Services group is responsible for project controls, systems
integration, configuration management, CADD services, change control
management, design review support, environmental services, systems safety, as
well as other related functions. A further explanation of responsibilities can be
found in Chapter 3 Section 3.4.2 of the CIPMP. Exhibit 1-5 details the current
budget established for the LRT Build-out Phase II-A relating the PMP and Exhibit
1-6 details the current CPM schedule of the Build-out Phase II-A project. The
Project Controls group within the Technical Services Group is responsible for the
cost and schedule control functions.
Real Estate
The DART Real Estate department has overall responsibility for the coordination
of all real estate matters relating to the LRT Build-Out Phase II-A project. Further
explanation of their efforts can be found in Chapter 3, Section 3.4.2 of the CIPMP
and Section 1.4.5 of this PMP, and in the Real Estate Acquisition Plan.
Quality Assurance
The Quality Assurance department is responsible for oversight of program quality
assurance functions as described in DART'S Quality Assurance Program. Further
explanation of their efforts can be found in Chapter 3, Section 3.4.2 of the CIPMP.
1.4.4
Project Procurement Management and Control
A detailed overview of the responsibilities and roles of the Project Procurement
Department are related to this PMP and the LRT Project, which can be found in
Chapter 5, Sections 5.1 through 5.17 of the CIPMP.
1.4.5
Project Real Estate/Right of Way
The Real Estate Division of the PMD is responsible for the acquisition of all Real
Estate and right-of-way associated with the LRT Project. Major elements and
responsibilities of this department can be found in Chapter 6, Sections 6.1.1
through 6.4.7 of the CIPMP, and in the Real Estate Acquisition Plan. Exhibit 1-7 of
the PMP details the Real Estate Acquisition Process.
1.4.6
Project Design Management
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Revision 3: May 26,2006
A major function of the DART PMD is to direct the efforts of the General
Engineering Consultant (GEC) and other design consultants. The primary
objective of Design Management is to oversee the development of contract
documents consisting of plans, specifications, estimates, and bid documents for
the construction of Capital Projects. Additional responsibilities include the
management of all Systems Engineering Design documents development by the
Systems Design Consultant. Chapter 7, Sections 7.1 through 7.6 of the CIPMP,
detail the actual responsibilities of the GEC and Systems Design Consultant
managed under this section of the PMP. Chapters 3 through 6 of this PMP give
detailed information on the Systems requirements.
1.4.7
Project Construction Management
Administering the Construction Management program for the LRT Build-Out Phase
II-A project is the responsibility of DART'S Construction Management Division.
Management of the Systems contracts is the responsibility of the Systems
Engineering Division of the PMD. Chapter 8, sections 8.1.1 through 8.10 of the
CIPMP detail the overall responsibilities and interfaces of the PMD's Facilities and
Systems Engineering Divisions. A more detailed analysis of the individual
responsibilities can be found in the LRT Build-out Phase II-A Project Management
Plan and the Resident Construction Manager's (RCM) Manual.
1.4.8
Project Safety and Security
Project safety requirements are defined in the project specific Safety and Security
Management Plan Phase II-A (SSMP) and in Chapter 9 of the CIPMP. The SSMP
will be the master document for safety and security requirements. Construction
safety requirements for all LRT Build-Out Phase II-A projects are defined in the
Construction Safety and Security Program for LRT Projects. Construction security
is the responsibility of the contractor. Each project element is certified for safety
and security upon completion of the design and construction phase. The Safety
and Security Certification Program Phase II-A (SSCP) provides details on the
certification process.
1.4.9
Project Quality Assurance
Quality assurance requirements are defined in Chapter 10 of the CIPMP. Quality
assurance requirements for all LRT Build-Out Phase II-A projects are defined in
detail in the Quality Assurance Program (GAP).
1.4.10
Project Environmental Impact Management
Environmental management for the LRT Build-Out Phase II-A project is described
in Chapter 11 of the CIPMP. The Environmental Section of the Technical Services
Division in Project Management provides environmental technical support to the
project and gives direction to environmental programs. The Planning Department
provides support to assure that the requirements in the Environmental Impact
Statement are achieved.
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1.4.11
Project Configuration Management
Configuration management requirements for the LRT Build-Out Phase II-A project
are defined in Chapter 12 of the CIPMP. The Configuration Management Section
in the Technical Services Division of the Project Management Department is
responsible for functions including Document Control, Project Management File
Room, change control records, engineering records, and all other pertinent
records related to the project.
1.4.12
Project Risk Management
Risk Management functions are defined in Chapter 13 of the CIPMP. DART's
Risk Management Division works closely with the Project Management
Department in directing this effort.
1.4.13
Project Test and Start-Up
Project test and start-up requirements are defined in Chapter 14 of the CIPMP and
Chapter 8 of this Project Management Plan. The Integrated Test and Start-Up
Plan describe the Systemwide testing and start-up program. Upon completion of
integrated testing, the Technical Services Division in the Project Management
Department turns each completed segment over to the Operations Department for
pre-revenue testing and operations. Operations and maintenance requirements
are defined in the Operations and Maintenance Plan.
1.4.14
Project Public and Regulatory Interface
Public and regulatory interface is defined in Chapter 15 of the CIPMP. DART's
Planning Department and Communications and External Affairs Department work
closely with the Project Management Department in a coordinating effort.
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2.0 LIGHT RAIL VEHICLES
Systems Element Manager (SEM): Ron Swindell
Assistant Vice President - Systems Engineering: Ron Swindell
Design Consultant Support: LTK Engineering Services (LTKES)
Construction Manager/COR: LTK Engineering Services - G. J. Morgan
Design/Build Contractor: Kinkisharyo - Itochu
2.1
OVERVIEW
The Assistant Vice President of Systems Engineering is responsible for management of
the vehicle design consultant to assure that Planning, Engineering, and Construction
Management as described below are performed in a timely manner to make LRV's
available for DART operation as required.
The Light Rail Vehicle (LRV) and all systems are generally of proven technology. The
overall dimensions are 92 ft. 8 in. long, 8 ft. 10 in. wide and 12 ft. 6 in. high with a futuristic,
"high-tech" appearance. The vehicle is a 3-truck, 6-axle, articulated vehicle with the two
end trucks being powered. There are 72 seats in each vehicle. The empty car design
weight (AWO) is 110,000 pounds maximum. Average weight for the fleet is approximately
108,000 pounds.
Each car has two single leaf and two double leaf sliding doors per side and an operator's
cab at each end. The vehicle is intended for unrestricted, bi-directional operation. Power
(750 VDC) is collected from the overhead contact system with a single-arm pantograph.
Top operating speed is 65 miles per hour (mph). The LRV is capable of multiple unit
revenue operation in trains of up to 4 cars, or up to 8 cars for maintenance or emergency
operation. Current revenue service operation consists of 1, 2 and 3 car trains. The LRVs
have AC propulsion, regenerative, dynamic and disc brakes, automatic air conditioning
and Automatic Train Stop.
The LRVs are compliant with the requirements of the American's with Disabilities Act
(ADA).
For the Phase II Expansion, DART will modify the fleet of 115 LRVs (95 existing and 20 on
order) by adding a 31 ft long, low floor center section (C-car) to each vehicle to create a
fleet of 115 Super Light Rail Vehicles (Super-LRV). This modified fleet will provide for
direct, level boarding, from 16" high platforms, into each car. After modification the basic
characteristics of the rail vehicles will be changed as follows: 1) Overall length will increase
to 123 ft. 8in., 2) Description of the vehicle will be a 4 truck, 8 axle, double articulated rail
vehicle, with a low floor center section, 3) There will be 104 seats in each Super-LRV, 4)
there will be three double leaf doors per side and two single leaf doors per side, 5) the
empty car design weight (AWO) will be 138,000lb, 5) Average weight will be approx
137,000lb.
Converting the fleet of 115 vehicles to Super-LRVs will provide enough capacity to support
service for the SE-1 and NW-1 line sections (38 C car retrofits are attributable to the LRT
Buildout Phase II-A MOS). To meet requirements and passenger capacity for the
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complete Phase II-A Expansion, DART will procure an additional 25 complete (18 of which
are attributable to the MOS), new, Super-LRVs (consisting of A-C-B sections).
2.2
CONTRACT UNIT DESCRIPTION
2.2.1
Scope - The Scope for the procurement of LRVs is to provide compatible vehicles
to supplement the existing vehicle fleet to provide required seating for Build Out
Phase II.
2.2.2
Contracting Process
The contracting process will be in accordance with DART and Federal
Procurement regulations.
2.2.3
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
2.3
ENGINEERING PLAN
2.3.1
Principal Design Considerations
2.3.2
General
2.3.3
The Build-Out Phase II estimates indicated that a 17,280 seat equivalent car fleet
will be necessary to satisfy the initial rider ship projections, taking into account
maintenance cycles and spare car ratios.
2.3.4
Right-of-Way (ROW) constraints, patronage estimates, operational and
maintenance preferences all contributed to establishment of the principal
requirements and characteristics of the Super LRV.
2.3.5
The structural design load criteria for the vehicle is an artificial load condition
which is a minimum of 104 seated passengers in the vehicle, plus standing
passengers at 1.3 square feet per passenger (8 passengers per square meter).
2.3.6
To achieve the maximum operational advantages in revenue service, relatively
high performance is required both for acceleration and braking (e.g., many stations
at frequent intervals) and for a high top speed to take advantage of long, gradeseparated sections between some stations.
2.3.7
Alignment
2.3.7.1 Central Business District (CBD)
The CBD segment imposes the majority of ROW and operational
constraints found in the system. Downtown block lengths are
nominally 400 feet (property line to property line), thereby limiting
overall train length. The ROW is relatively narrow thereby requiring
tight turning movements.
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2.3.7.2 Service and Inspection (S&l) Facility
The criteria for the minimum turning radius for the vehicle is defined
by the track layout in the S&l Facility. Minimum turn radius is eightytwo (82) feet [twenty-five (25) meters].
2.3.8
Traction Electrification
A nominal traction electrification voltage of 750 VDC was chosen as the optimum
power supply for the DART Starter System. This is recognized as one of the
"standard" voltages for transit systems. Rail vehicle equipment and systems are
readily available for this operating voltage.
2.3.9
Basic Vehicle Type
The existing DART LRVs will be converted to Super-LRVs by inserting a 31 ft. long
low floor center section (C-car) into each vehicle. This will increase the overall
length of the DART vehicle to 123 ft. 8 in. The Super-LRV is double articulated, 8
axled, 3 section rail vehicle with a low floor center section. There are 104 seats in
each Super-LRV. The Super-LRVs can be operated either as single cars or in
multiple car trains.
2.3.10
Proven Design
Requirements for proven subsystems and ease of maintenance were established
as the principal criteria in the technical specification.
2.3.11
Mobility Impaired Accessibility
Accessibility for passengers with mobility impairments will be provided by direct
level boarding into the low floor center section of the Super-LRVs from 16" high
platforms. All new stations will be constructed to be 16" above top of rail (TOR).
The existing stations platforms in the CBD will be modified to have 16" high
platforms. Mini high platforms that are 16" above TOR will be installed at
designated level boarding areas in the remainder of the existing stations for
mobility impaired patrons.
2.3.12
Future Extensions
The Super-LRV is capable of operating within the constraints of all the existing
alignment and all proposed future extensions. This includes the Build Out
extensions to Pleasant Grove and Carrollton-Farmers Branch.
2.4
ENGINEERING TASK
2.4.1
Prepare a technical specification that defines the requirements for the
procurement of low floor center sections, with supplementary equipment
necessary to modify the 115 existing vehicles and 48 additional, complete, SuperLRVs.
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Coordinate the vehicle procurement within DART and with DART consultants to
ensure full compatibility of the vehicle design and operation with other elements of
the existing LRV system.
2.4.2
Develop and support the preparation of a procurement package consisting of:
>
>
2.5
Detailed Technical Specification.
Commercial and legal requirements and supporting documents
DESIGN PARTICIPANTS
Coordination and preparation of the Vehicle procurement documents and
evaluation of technical offers are responsibilities of the DART Assistant Vice
President of Systems Engineering and the LRV Engineering Consultant.
The LRV Contractor is responsible for final design, quality control, fabrication, final
assembly, and testing of the LRVs. The role of DART, with the assistance of the
LRV Engineering Consultant, during these phases is that of review, approval,
quality assurance, and final acceptance testing
2.6
2.7
CONSTRUCTION MANAGEMENT TASKS
2.6.1
Conduct or direct inspection and monitoring of tests of the Super-LRV during
fabrication and assembly to ensure compliance with the Specifications.
2.6.2
Provide technical support to DART personnel, including operators and
maintainers, during the Contractor's training program.
2.6.3
Monitor vehicle and other design verification tests and review results. Develop
DART acceptance test program. Supervised DART acceptance testing of all
Super-LRVs in Dallas. Document the conditions and results of the tests and
recommend acceptance/rejection of each Super LRV.
2.6.4
Provide technical support during the warranty period.
INTERFACE
The Super-LRV procurement effort interfaces very closely with all elements of the
Starter System, Build-Out Project and other departments within DART, particularly
Procurement, Operations and Maintenance, but has little direct connection with
any agencies or municipalities outside DART during the design and construction
phases of the project. The following is a presentation of the minimum information
that must be transmitted between the various design groups and the vehicle
design group.
2.7.1
Design S & I Facility
a) Input from S&l Facility - track alignment.
b) Output to the S&l Facility - Dimensions, clearances, weight, operational
limitations and maintenance service and repair requirements of the vehicle.
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2.7.1.1 Traction Electrification System (TES)
a) Input from TES - Nominal voltage and capability of the TES,
characteristics of TES substations and of the Overhead
Contact System (OCS) including catenary contact wire
geometry and tensioning.
b) Output to TES - Vehicle characteristics for propulsion system
including high-speed circuit breaker (HSCB), line switch, and
line reactor, braking systems, auxiliary power loads and
pantograph design including dimensions and tracking ability.
2.7.1.2 Signals and Communications (Sig/Com)
a) Input from Sig/Com - Requirements and characteristics for
on-board systems including automatic Train Stop System
(TSS), Car Borne Cab Signal Equipment, and
Communications (radio and antennae), define power, space,
conduit and grounding requirements. Automatic Train
Protection (ATP), existing wayside block systems, and cab
signal systems are also required.
b) Output to Sig/Com - Vehicle static and dynamic performance
characteristics (acceleration, braking, weight, etc.), locations
of Train Stop System (TSS) waysides and other
requirements, EMI/EMC, dimensions, dynamic clearances
and control characteristics.
2.7.1.3
Line Sections
a) Input from Line Sections - Track Alignment.
b) Output to Line Sections - Vehicle performance characteristics
acceleration and braking), EMI/EMC, weight, dimensions and
dynamic clearances.
2.7.1.4
Track Work
a) Input from Track Work - wheel/rail interface.
b) Output to Track Work - wheel profile and characteristics,
weight, vehicle static and dynamic characteristics.
2.7.1.5
Operations
a) Input from Operations - Operator needs, maintenance
requirements and service demands.
b) Output to Operations - Vehicle capacity and performance
characteristics, operations and maintenance supervisor
training programs.
2.7.2
Procurement/Construction
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2.7.2.1
S & I Facility
The S & I Facility expansion Phase III will be complete and available
to the extent necessary to allow Contractor testing, delivery, DART
acceptance testing, maintenance, training and warranty repair on the
vehicles.
In addition, the Northwest Rail Operating Facility must be completed
prior to completion of LRV delivery for the Phase II- Build-Out.
2.7.2.2
Traction Electrification System (TES)
After initial vehicle tests have been performed, the test program is
coordinated with the TES group to make the vehicles available for
testing and adjustment of the TES during the systems test program.
2.7.2.3
Facilities Interface
Dynamic testing for the LRVs will be performed partially on Yard Lead
-1 and the high-speed portions of the test will be performed on the
Trinity River Bridge, or other available locations during non-revenue
hours.
2.7.2.4 Authority Supplied Equipment
DART will not supply any equipment for Phase II- Build-Out LRVs.
27.2.5 Agency Agreements
Formal agreements with municipalities or agencies are not required.
DART coordination is required with third parties relative to
electromagnetic compatibility and interference (EMI/EMC). DART
coordination is also required with local agencies such as the police
and fire departments to develop emergency response strategies.
2.8
CONTRACTOR DESIGN, FABRICATION, AND ACCEPTANCE PLAN
Immediately following NTP the Contractor establishes the management plan and
initiates detailed design of the vehicle car body and all subsystems.
During the Contractor's design stage, DART and the LRV Design Consultant
review the plans and procedures for conformance to the specification
requirements.
The Contractor procures the subsystems equipment and material for the vehicle
and establishes quality control procedures for the fabrication and assembly of the
vehicle in conformance with specification requirements. Procedures for design
verification, routine factory testing, and acceptance testing of the vehicle and all
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systems are also established and verified to be in conformance with specification
requirements.
Production is started and carried out at the Contractor's facility. During this period,
DART on-site representation at the factory monitors production, inspection and
testing activities. Design verification testing of major car body components is also
performed at the Contractor's and sub- suppliers' facilities.
Once the factory production is completed, the low floor center sections and SuperLRVs are shipped to the U.S. assembly facility where final assembly is
accomplished. Production, inspection and testing activities are also monitored at
the Final Assembly (FA) site.
After final assembly, the Contractor ships the low floor center sections and SuperLRVs to the S&l Facility. Pre-delivery and acceptance testing activities are
conducted on each vehicle utilizing the test track. This work requires coordination
with Operations personnel and other Contractors (TES, Signals and
Communications).
The Contractor initiates training programs for operations and maintenance. Also,
coordination with DART Operations, Maintenance and Security to define the
requirements and procedures for initiation of service speed operation of trains on
the main line is required. "Burn-in" operation to build up mileage on the vehicles is
conducted to allow the Contractor to debug the equipment in preparation for the
reliability demonstration period.
Super-LRVs are also used to test TES and Signal systems, verify dynamic
clearances, conduct operations training.
The warranty administration and reliability and maintainability monitoring programs
are initiated. Performance is monitored before and after start-up of revenue
service.
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3.0 TRACTION ELECTRIFICATION
System Element Manager: Glenn Shankle
Assistant Vice President - Systems Engineering: Ron Swindell
Assistant Vice President - Construction Management: Diane Gollhofer
Design Consultant Support: Systems Design Consultant - Dallas Systems Consultants
Construction Engineering Manager: Various
Construction Manager/COR Dallas Systems Consultants- TBD (TPSS)
Resident Construction Manager: Various
CM/GC: TBD/Various
Design/Build Contractor: TBD (TPSS)
3.1
OVERVIEW
The Assistant Vice President of Systems Engineering is responsible for the management
of the Systems Design Consultant to assure that Planning, Engineering, and Construction
Support as described below are performed in a timely manner to provide the Traction
Electrification System for operation as required.
The traction electrification system consists of all equipment and subsystems from the point
of receiving power from TXU Electric or other power utilities to the point of utilization of that
power by the Light Rail Vehicles. The rail transit traction power is supplied at a nominal
voltage of 750 VDC to the Overhead Contact System, which distributes the power to the
transit vehicles. The running rails and negative power cables provided the negative
currents return path.
Traction power is supplied by thyristor-regulated substations along the mainline. Each
mainline substation is rated 2.5 megawatts. Substations spacings are typically one to one
and a half miles. The exact locations of substations are determined during system design
through computer simulations combined with real estate availability to provide the most
cost effective method to supply Traction power to the rail transit system.
Each substation contains AC switchgear, one transformer-rectifier unit, DC switchgear,
and auxiliary electrical equipment for supply of auxiliary AC power for operation of the
substation.
Additionally, the substation provides power for both signals and
communications. The utility metering points are provided by TXU Electric and are located
in the vicinity of the substation.
The overhead contact system is an auto-tensioned simple catenary, with the exception of
the NWROF facility, which uses a direct fixation, single contact wire.
3.2
CONTRACT UNIT DESCRIPTION
3.2.1
Scope
The Traction Electrification system is divided into two components. The first
component covers the Final Design, Furnish and Installation of the Traction Power
Substations, which generally encompasses the provision of all necessary
equipment to receive AC power from the local utility and the convert to DC power
for utilization by the LRVs. This contract includes:
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> Design, supply, installation, and testing of prefabricated outdoor traction
power substations (TPSS)
> Maintenance of the system after beneficial occupancy but before final
acceptance
> Field support for start-up and integrated system tests
> Provision of training for DART O&M personnel
> Supply of spare parts and testing equipment
> Supply of operations and maintenance manuals
The second component is comprised of the overhead contact distribution system
and all the necessary appurtenances. This component is to be delivered by the
CM/GC and includes the following:
> Construction of substation foundations and ground mats
> Hardware application design, supply and installation of the Overhead
Contact System (OCS) including support structures
> Design and placement of all TES, communications and signal conduits
from interface points to the substations
> Supply, installation, and connection of all TES cables; including low
voltage power supply to signal and communication houses
> Provision of storage facilities for construction
> Final design of the OCS
> Procurement and installation of utility warning signs
> Installation of conduits from utility power system at the metering point to
the TPSS
> Utility connection from utility distribution to substation, including metering
(by utility)
3.2.2
Contracting Process
3.2.2.1 TPSS
A two-step procurement process is used.
The first step includes development of a detailed specification, issuance of
procurement documents by DART, submittal of technical proposals (by
proposers), evaluation of those technical proposals including individual
interviews with each proposer, possible re-submittal of technical proposals
and amendment of DART specifications, and determination by DART of
the acceptability of final technical proposals and requirements.
The second step includes DART issuance of the request for price,
submittal of bids by acceptable proposers, contract award to the
responsible proposer with the lowest price, and the Notice to Proceed with
implementation of the Contract.
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3.2.2.2
Non-TPSS Items
These items are the responsibility of CM/GC. The items will be included
in the construction scope negotiated during the development of the
Guaranteed Maximum Price (GMP) for the CM/GC contract.
3.2.3
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
3.3
ENGINEERING PLAN
3.3.1
Principal Design Considerations
DART has chosen 750 VDC as the nominal voltage for the DART LRT System
Program, which is compatible with all previous system installations which are now
in revenue service. The AC supply from the utility is fed to the delta primary of the
substation transformers.
A phase-controlled thyristor TPSS rectifier was selected over diode rectifier types.
The ability to regulate the output by virtue of thyristor control enables better power
management, cost efficiency and reduced capital costs due to the need for less
substations.
The power supply system capacity is primarily determined by the power
requirements of the LRV's during the maximum daily peak periods in the operation
of a rail transit system. This supply system has the built-in overload capacity as
defined by the National Electrical Manufacturers Association (NEMA) standards
and industry practice for equipment for rail transit applications.
The design of electrical equipment takes into account the acceleration of one or
more trains operating simultaneously in each electrical section during the peak
travel period. The voltage characteristics required for the LRV limits the maximum
allowable resistance of the direct current distribution system and hence the
distance between adjacent substations. The minimum catenary line voltage is
designed not to fall below that required for the operation of the rail vehicles.
Design consideration is also given to the emergency feeding capability of a TPSS
in the event of a power failure at an adjacent substation. For the purpose of
economic selection of substation power requirements, it is assumed the vehicles
are permitted to operate in a reduced performance mode in the event one
substation is off-line in a particular area.
In order to maintain acceptable voltage regulations on the OCS, promote
standardization and economically blend power demands with utility billing
practices, all substations are all specified to have the same 2.5 MW power rating.
Substation components and subassemblies are also chosen to be modular and
interchangeable to minimize spare parts inventory and to standardize and facilitate
maintenance.
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The traction electrification system is properly coordinated through the Energy
Management System (EMS) for distribution of traction power, and also according
to the rail operations plan to provide an efficient and effective power distribution
system.
DC systems also require attention relative to stray traction return currents, which
can leave the LRT power network and cause corrosion to other wayside metallic
systems (e.g., utility lines, structures, etc.). Control devices at all substations,
stray current mitigation along trackway, and protection of adjacent metallic
structures minimize stray currents.
3.3.2
Design Participants
The Systems Design Consultant (SDC), performs the design and prepares the
performance specifications and drawings. In particular, SDC determines catenary
pole locations in accordance with track alignment (provided by Facilities
Engineering), substation power requirements and locations, and substation and
pole foundation design. They also assist DART in preparing the Request for
Technical Proposals and bidding documents. The Traction Power Substation
Contractor (successful proposer) for TPSS and the CM/GC selected Traction
Electrification Contractor are to perform detailed design, fabricate, deliver, install,
and test each system. SDC reviews designs; and provides support to assure
quality in equipment fabrication and field installation, and conduct acceptance
testing. SDC ensures proper interface with other design efforts on the project.
3.3.3
Engineering Tasks
3.3.3.1
Run train performance calculations.
3.3.3.2
Determine maximum TPSS spacing.
3.3.3.3
Define DC feeders and negative return cables.
3.3.3.4
Define overhead contact system.
3.3.3.5
Define system power demand and energy requirements.
3.3.3.6
Design typical substation foundation and ground system design.
3.3.3.7
Perform an initial site suitability survey of substation sites and assist
the GEC and DART Real Estate in selecting and procuring sites.
3.3.3.8
Witness factory testing as required.
3.3.3.9 Assist DART in negotiating connections and power requirements with
local utilities.
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3.3.3.10 Provide engineering review of Contractor submittals.
3.3.3.11 Provide assistance for construction management and inspection
during design, manufacturing, and installation of equipment.
3.3.3.12 Witness field-testing
3.3.3.13 Assist with acceptance testing.
3.3.3.14 Provide corrosion control testing.
3.3.3.15 Assist with/coordination of integrated testing.
3.3.3.16 Provide engineering support during integrated testing.
3.3.3.17 Provide engineering support during activation and start-up testing as
required.
3.4
INTERFACE
3.4.1
Design
3.4.1.1
Vehicles
a) Solicit input from Vehicles regarding propulsion system
characteristics, auxiliary power loads, and vehicle weight with
the appropriate passenger loads, dynamic clearance
envelope, pantograph dimensions, and tracking ability.
b) Output from Traction Electrification is catenary conductor
electrical characteristics, catenary system geometry,
substation spacings and ratings, rail potential rises, feeder
and negative return conductor sizing, and substation loading
analysis.
3.4.1.2 Service and Inspection Facility (NWROF)
a) Input from Facility designers regarding requirements for shop
floor and ceiling plans, electrical equipment room layout,
power requirements, track layout and profile, soil survey
report for pole foundation design, yard, and shop operation
plan in NWROF.
b) Output from Traction Electrification regarding buried conduits
in yard and along surface alignments (if any), embedded
conduits and OCS support in the shop, pole foundation
locations and type in yard, rectifier equipment space
requirements in the shop, traction power TPSS and
sectioning design and corrosion control design requirements.
3.4.1.3
Signals
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a) Input Signals requirement for power supply to bungalow from
TPSS.
b) Output to signals on current ratings of impedance
bonds/cross-bonding and placement guidelines for crossbonding/substation negative returns.
3.4.1.4 Communications Systems
a) Input from the Communications system designer includes
power requirement, loudspeaker/emergency telephone facility
requirements on shared poles, mounting and interface
requirements for remote terminal units (RTU), telephone and
SCADA.
b) Output to Communications on requirements for electrification
system supervisory control and indication, where provided as
well as power cable, telephone and remote terminal unit
(RTU) locations including CIC.
3.4.1.5
Real Estate
a) Input from DART Real Estate regarding availability of sites for
substations and procurement of the final sites.
b) Output to DART Real Estate for site acquisition and building
permits from local jurisdiction for the substations.
3.4.1.6 Trackwork and Line Section
a) Input is required from Trackwork and the Line Sections for
plan, profile, and cross-sections of the track alignment. Soil
survey reports are required from the Line Sections for pole
foundation and substation slab design. Corrosion control
design is also based on the soil reports provided by the Line
Section Designers. Structural design of OCS is based on
track geometry and soil reports from each Line Section and
the NWROF Facility.
b) Output from Traction Electrification to the Line Sections and
Trackwork pertains to substation pole foundation design,
cross-bonding and substation negative return connection
requirements, manholes, and conduit and cable trough
requirements.
c) Traction Electrification provides pole locations and foundation
designs to the Line Sections for aerial structure and at-grade
track-ways.
d) Traction Electrification provides corrosion control design input
to Trackwork and Line Section designs and coordinates
catenary design with passenger station designers.
3.4.1.7
Local Electric Utilities
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a) Input from utility regarding service network voltages,
metering, and interconnection requirements.
b) Output from Traction Electrification regarding locations and
description of the TPSS and power requirements.
3.4.1.8 Other Utilities
Traction Electrification coordinates with gas companies, cable
companies, telephone companies, water, and sewer utilities regarding
DART corrosion control designs.
3.4.2
Procurement/Construction
3.4.2.1
Line Sections
The CM/GC provides all underground conduit/duct-work, cable
troughs, manholes, and hand-holes leading to and including the
interface manholes outside the TPSS.
The CM/GC installs the overhead contact system including; grounding
mats at each end of aerial structures for grounding of structure
reinforcing, poles and handrails. The CM/GC provides and connects,
both inside and outside the TPSS, all feeder and negative cables and
all signal and communications cables.
The CM/GC prepares and grades the substation sites, and installs
grounding mats and foundations at substations.
3.4.2.2
Signals
TPSS provide power to the signals system by allocation of a 480V AC
breaker in the TPSS.
The CM/GC furnishes and connects low voltage power cabling to the
TPSS, designs and installs cross-bonding and impedance bonds in
signalized territory. It is also responsible for all bonding connections
to the track.
3.4.2.3
Communications
TPSS provides power to adjacent communications bungalows. TPSS
also provides SCADA and EMS RTU's for connection to modems and
the fiber optic communications system by the CM/GC. TPSS provides
telephone instruments and termination blocks. Telephone cabling to
TPSS and connections are by the CM/GC.
3.4.3
Agency Agreements
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3.4.3.1 TXU Electric or other power utilities - supply of electrical power to all
substation locations, rate negotiations, and joint use of right-of-way
when required.
3.4.3.2 Cities of Dallas, Carrollton, and Farmers Branch - placing of fixed
facilities, such as TPSS sites.
3.5
CONTRACTOR DESIGN, FABRICATION, AND INSTALLATION PLAN
Following Notice-to-Proceed, the CM/GC and the TPSS Contractor begin the detailed
design of the Traction Electrification System (TES).
During the design stage, SDC's project engineer works closely with the CM/GC to review
submittals and approve the designs as they proceed. This allows for early fabrication of the
first substation and catenary hardware. The overhead wires are ordered by the CM/GC
according to the designed wire tension sections.
SDC coordinates and monitors the CM/GC's equipment and hardware fabrication process
and provides personnel to witness testing at the suppliers plant, as required.
The Overhead Contact System (OCS) installation begins after the track-work is completed
so that the OCS can be adjusted and finalized to the as-built track positions.
The CM/GC installs the catenary poles and associated hardware on the prepared
foundations. Wires are then pulled and adjusted. In the station areas where required by
architectural design, catenary supports are installed into the canopy trusses by the CM/GC
in advance of the OCS installation.
The CM/GC pulls all feeder cables from substation to pole feeding locations along the track
and across the trackways; and return cables from the track connecting points to the
substation. The locations of the track connecting points are provided to the CM/GC.
The substation installation is independent of track-work or other on-track construction
activities and is provided by the TPSS Contractor. The CM/GC installs grounding mats and
foundations and any necessary ductwork from substation to the interface manholes at the
substation sites.
The substations are delivered to the sites and installed on the prepared foundations. The
CM/GC connects the substations and the OCS.
Corrosion control measures, such as continuity bonding and cathodic protection for
structures, are incorporated into the civil/structural construction Inspections are conducted
during construction to check that these measures are installed properly. Tests are
performed by the SDC at all the test stations installed along the trackway to verify the
integrity of the installations. Test stations are also permanently installed by the CM/GC for
later monitoring by DART Operations Department personnel as part of their maintenance
program. Rail to ground resistance requirements are specified by the SDC in the Trackwork
contract. SDC personnel perform field-testing to ensure that the specified requirements are
met.
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4.0 SIGNAL SYSTEM
Systems Element Manager: Carrene Gilbert
Assistant Vice President - Systems Engineering: Ron Swindell
Assistant Vice President - Construction Management: Diane Gollhofer
Design Consultant Support: Systems Design Consultant - Dallas Systems Consulting
Construction Engineering Manager: Various
Resident Construction Manager: Various
CM/GC: TBD Various
4.1
OVERVIEW
The Assistant Vice President of Systems Engineering is responsible for the management
of the Systems Design Consultant to assure that Planning, Engineering, and Construction
Support as described below are performed in a timely manner to provide the Signal
System for operation as required.
The signal system consists of all wayside equipment that controls the movement of trains,
power operation of switch machines, selection of routes, and warning to highway traffic at
grade crossings. It does not include any car-borne equipment necessary for these
functions, which will be provided under the vehicles contract. All necessary circuitry for
control and interconnection of the signal equipment is part of this system.
The objectives of this LRT project element are the performance specifications which form
the basis for a qualified signal Contractor to design, furnish, install, test, train and maintain
(through final acceptance) all parts of the signal system, and the integration of this
operable system into the LRT network.
4.1.1
Geographical
4.1.2
The LRT Build-out Phase II-A system is considered signaled territory.
4.1.2.1
Signaled Territory
Line sections identified as NW-1, NW-2, NW-3, and NW-4 on the
Northwest Line, and SE-1 and SE-2 on the Southeast Line will
operate with close headway and high operating speeds which dictate
automatic train protection. The Northwest Rail Operating Facility may
also be signalized.
4.1.3
Physical
4.1.3.1
Interlockings
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Vital (fail-safe) interlockings protect train movement through powered
switches in signaled territory. Vital interlockings are remotely
controlled from the Train Control Center (TCC), automatically
controlled by route request circuits, or locally controlled from panels
within the signal housings. Only one of these control modes can be in
effect at any time. Fail-safe field logic will over-ride any unprotected
or unsafe requests from TCC.
At Terminal Interlockings, train movement through powered switches
will be protected through fail-safe design. Terminal interlockings are
automatically controlled by the interlocking route selection logic
circuits. A manual override method is provided at the interlocking for
special conditions.
4.1.3.2 Automatic Highway Crossing Warning Systems
Automatic "highway crossing" warning systems consist of flashing
light signals, bells, gates, and cantilevered signals as required by train
operations and highway conditions.
4.1.3.3 Cab Signal
A cab signal system will send speed commands indicating the
maximum safe operating speed to the train via track circuits. The
speed of the train will be monitored by equipment in the train and
compared to the maximum safe speed. Attempts to operate the train
faster than the safe speed will first cause a warning, and will then
force the train to a stop if the warning is ignored.
Switch point indicators will provide train operators a visible means to
verify the route called at each interlocking. Train stops will be
provided at each switch point indicator to enforce switch safe margins
between trains.
4.1.3.4
Northwest Rail Operating Facility Signal System
The yard signal system consists of power switch machine with switch
position indicators, automatic route requests via TWC, route request
pushbuttons and indicators, and non-vital control circuitry necessary
for efficient yard operations.
4.1.4
Operational
4.1.4.1
Scheduled Headway
Scheduled headways (time margins between trains) are determined
by the system Operation Plan. "Design headways" are established to
allow recovery from disruptions to normal service.
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4.1.4.2 Operating Speeds
The signal system is designed for the maximum speeds allowed on
each section of track. The maximum allowable speeds are
established by the system Operation Plan and the civil alignment.
4.2
CONTRACT UNIT DESCRIPTION
4.2.1
Scope
The signal system is divided into two components. The first component is
comprised of the final design, furnish, and installation of car borne cab signal
equipment. This contract includes:
> Car Borne Cab Signal Equipment
> Training of DART personnel on Car Borne Equipment
The second component is comprised of the train to wayside control and all
necessary appurtenances. This component is to be delivered by the CM/GC and
includes the following:
Manufacture, supply and installation of:
> Track circuit and wayside control equipment
> Factory wired signal bungalows and cases
> Train stops (installation of the wayside component and testing of the
system)
> Wayside cab signal equipment
> Impedance bonds
> Power-operated switch machines
> Yard pushbuttons and indicators (Northwest Rail Operating Facility only)
> Automatic highway crossing warning system
> Train to wayside communication system (TWC)
> Train operation signage
> Cabling
> Rail bonding, cross bonding and connection of TES returns
> Signal equipment foundations
> Maintenance of the system until final acceptance
> Supply of spare parts
> Comparable equipment for wayside and car bourne cab signal equipment
as required
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> Grading of bungalow sites
> Landscaping and/or architectural finish to bungalows
> Grounding system on overpass structures
4.2.1.1 Testing, including integrated system tests.
4.2.1.2 Training of DART personnel
4.2.1.3 Start-up of Signal System
4.2.2
Contracting Process
4.2.2.1 Car Borne Cab Signal Equipment
The proposed contracting method is a two-step procurement process.
The first step includes development of a detailed specification, a Request
for Technical Proposal by DART, submittal of technical offers by
proposers, evaluation of those technical offers, including individual
interviews with each proposer, possible amendment of specifications and
technical offers, and determination by DART of the acceptability of final
technical matters.
The second step includes DART issuance of the request for price,
submittal of bids by acceptable proposers, contract award to the
responsible proposer with the lowest price and the Notice to Proceed with
implementation of the Contract.
4.2.2.2 Wayside Cab Signal Items
These items are the responsibility of CM/GC. The items will be included
in the construction scope negotiated during the development of the
Guaranteed Maximum Price (GMP) for the CM/GC contract.
4.3
ENGINEERING
4.3.1
Criteria
4.3.1.1
Regulations
Applicable codes and regulations are taken into account in the design
of the signal system. Specific codes having jurisdiction over parts of
the signal system are in:
4.3.1.2 Texas Manual on Uniform Traffic Control Devices (Texas MUTCD).
4.3.1.3
Standards
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Wherever possible industry recognized and accepted standards are
used to ensure safety, uniformity with other properties, and economy.
Such standards and sources include:
4.3.1.4 American Railway Engineering and Maintenance of Way Association
Communications & Signals Manual of Recommended Practices:
> Institute of Electrical
and Electronics
Engineers
Standards
> Insulated Cable Engineers Associations
> American National Standards Institute
> American Railway Engineering Association
> Federal Railroad Administration
> Military Specifications
> National Electrical Manufacturers Association
4.3.1.5 Considerations
The signal systems are designed using fail-safe design principals. All
circuits and logic are based on the closed loop principal of circuit
design. Every effort is made to utilize only equipment and designs,
which have been previously used in similar systems in the United
States. Untested systems are not allowed in the DART signal system.
4.3.2
Major Systems Elements
4.3.2.1
Interlockings
Interlockings are designed to minimize the need for manipulation and
intervention by the Train Control Center (TCC). This is accomplished
through the use of automatic routing at junctions. Locations of
interlockings and their requirements are established by the system
Operating Plan. Terminal operation is controlled by automatic
terminal operation logic.
4.3.2.2 Wayside Signal System
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The wayside signal system is designed to provide clear and concise
information to the vehicle operator through color light signal aspects,
speed limit signage, and other indicators. The vehicle braking
characteristics, the civil alignment, and the system headway
requirements determines the signal spacing. Safe minimum time
intervals for train movements between signals are established where
track conditions such as steep downhill grades or tight curves call for
the enforcement of speed reductions.
4.3.2.3 Train Stop System
A train stop system is used to enforce stop indications at interlocking
signals and automatic block signals by automatic application of
modified emergency service braking aboard the violating train. A
counter on the vehicle records such violations.
If used, a cab signal system will send speed commands indicating the
maximum safe operating speed to the train via track circuits. The
speed of the train will be monitored by equipment in the train and
compared to the maximum safe speed. Attempts to operate the train
faster than the safe speed will first cause a warning, and will then
force the train to a stop if the warning is ignored.
4.3.2.4
Train to Wayside Communications (TWC)
The TWC provides an appropriate means for the establishment of
train routes automatically from car-borne equipment. TWC is also
used for nearside crossing operations.
4.3.2.5
Track Circuits
Track circuits provide fail safe detection of trains for the operation of
the signal system. Track circuit technology is selected with
consideration for the electromagnetic environment to be encountered
throughout the entire light rail system.
Compatibility with
specifications for the traction power system and the vehicle propulsion
equipment is verified prior to the completion of the signals
specifications.
4.3.2.6
Gate Malfunction Detection and Indication
Gate Malfunction detection and indication will be provided via the
SCADA system. SCADA will recognize excessive gate down time,
which could indicate a crossing failure.
4.3.2.7
Non-vital Yard Signal System
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The yard signal system is a non-vital system designed to provide
efficient operations under non-revenue conditions. The primary
responsibility for safety in the yard is with the vehicle operator.
4.3.2.8 Cableway (Ductbank/Cable Trough)
A cableway will be installed along the right-of-way and shared with
Communications. In general, a pre-cast or pre-molded trough will be
run in the center of the guideway between the inbound and outbound
tracks. At locations where cables must pass to the outside of the
tracks, the trough will generally transition into a manhole and duct
system. In areas where operational, alignment and construction
requirements dictate, track crossings can be made by running the
trough between the ties.
4.3.2.9 Signal Power Distribution Center
The primary source of all power to the signal system is the traction
power sub-stations. Signal Power Distribution Centers (SPDC's) will
be installed adjacent to each TPSS. 480 Volt 60 Hz power from the
TPSS will be converted to 480 V 100 Hz power and both the 100 Hz
and 60 Hz power will be distributed from the SPDC's to signal
locations along the ROW.
4.3.3
Design Participants
4.3.4
The Systems design consultant (SDC) performs the design and prepares the
performance specifications and drawings. In particular, SDC determines Signal
Blocks, Interlocking, Crossing and other salient locations in accordance with track
alignment (provided by Facilities Engineering), SPDC requirements and locations,
and substation and system logic and detail design and operational requirements.
They also assist DART in preparing the Request for Technical Proposals and
bidding documents. The Contractor is to perform detailed design, fabricate,
deliver, install, and test each system. SDC reviews designs; and provides support
to assure quality in equipment fabrication and field installation, and conduct
acceptance testing. SDC ensures proper interface with other design efforts on the
project.
4.3.5
Engineering Tasks
4.3.5.1
Revise detailed design criteria for the signal system.
4.3.5.2
Establish a signal system design and construction schedule. Develop
standard and directive drawings for signal systems and equipment.
4.3.5.3
Perform initial site surveys of each highway grade crossing to
determine local conditions.
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4.3.5.4
Perform electromagnetic interference surveys and coordination with
other Systems elements (Vehicles, Traction Electrification,
Communications).
4.3.5.5
Prepare a conceptual signal block layout for preliminary design of the
wayside signal system.
4.3.5.6 Prepare a final signal block layout to establish signal locations based
upon civil and track requirements.
4.3.5.7 Prepare construction cost estimates at various design levels.
4.3.5.8
Define interlocking operational requirements.
4.3.5.9
Prepare performance specifications and contract drawings for the
Signal Systems.
4.3.5.10 Provide to DART a substantially complete design package for car
borne equipment for a Contractor Qualification as Step 1 of a twoStep Procurement.
4.3.5.11 Assist DART in the evaluation of the technical proposals for car borne
equipment received in Step 1. The evaluation includes face-to-face
clarification meetings with bidders. This step constitutes a value
engineering exercise as well.
4.3.5.12 Modify the specifications and contract drawings for car borne
equipment to incorporate acceptable comments received at Step 1.
Assist DART in evaluation of bids from qualified proposers (Step 2)
and the awarding of the contract.
4.3.5.13 Review Escrow documents.
4.3.5.14 Review the Contractor's submittals and design.
4.3.5.15 Conduct factory and site inspections.
4.3.5.16 Review requests for change orders.
4.3.5.17 Coordinate installations with line section construction activities.
4.3.5.18 Maintain contract documents showing all changes. Upon completion
of installation, compile a complete set of as-built contract documents.
Review Contractor's as-built documents to assure all modifications
have been included.
4.3.5.19 Review Contractor's acceptance testing programs and monitor factory
and field-testing of the signal system.
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4.3.5.20 Assure that manufacturer-sponsored training programs, maintenance
and operations procedures, drawings and documentation are
acceptable.
4.3.5.21 Review and process all applications by the Contractor for progress
payments and final payments.
4.3.5.22 Conduct the final inspection formalities at the completion of fabrication
and installation, and provide a report on the findings.
4.3.5.23 Coordinate integrated testing.
4.3.5.24 Provide engineering support during integrated testing and prerevenue service testing.
4.3.5.25 Provide engineering support during activation and start-up.
4.3.5.26 Provide inspection during design, manufacturing and installation of
equipment.
4.4
MAJOR INTERFACES
4.4.1
Design
4.4.1.1 Vehicles
a) Input: Information is required from the vehicle designer
regarding the braking characteristics of the vehicle for the
signal block spacing criteria. The propulsion system
characteristics are required to evaluate possible
electromagnetic interference with spacing criteria. The
propulsion system characteristics are required to evaluate
possible electromagnetic interference with the signal system.
Dynamic clearance envelope information is needed to
determine wayside equipment locations. The location for cab
signals equipment and the available power source needed.
b) Output: The signal designer provides design information to
the vehicle designer concerning the on-board equipment,
installation and testing procedures.
4.4.1.2 Traction Electrification System (TES)
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a) Input: The TES designer provides information on the required
return current capabilities of the impedance bonds, crossbonding requirements, and guidelines for substations and
negative returns.
b) Output: The signal designer provides information to the TES
designer on the signal power requirements and locations of
cross-bonds and drain bonds.
4.4.1.3 Communications Systems
a) Input: The communications systems designer provides the
signal designer with mounting and interface requirements for
the fiber optic modems that are installed in the signal
housings by the Contractor.
b) Output: The signal designer provides to the communications
designer the data transmission requirements for the signal
system supervisory control and indications.
4.4.1.4 Train Control Center (TCC)
a) Input: Communications designs the central control computer
logic so that it works in coordination with the wayside signal
equipment and provides that information to the signal
designer.
b) Output: The signal designer provides the TCC designer with a
functional description of the signal system supervisory
control.
4.4.1.5 Track
a) Input: Plan and profile of the track alignment is required to
finalize signal block design and signal layout. Information is
also required on special trackwork design for signal bonding,
switch machine placement, and insulated joint placement.
b) Output: Data that is provided to the trackwork designer
includes insulated joint locations, conduit, and ductbank
requirements.
4.4.1.6
Structures
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a) Input: Information (space and geometry) is required from the
structural designers for determination of mounting
arrangements and sight clearances by the signals designer.
b) Output: Information is required by the bridge designers to
define the requirements for the mounting of signals on these
structures. This information includes sizes, loadings, space
requirements,
mounting
requirements,
grounding
requirements, and cable routing information.
4.4.1.7
Line Sections
a) Input: Line section designers provide information (space,
physical encumbrances, sight clearances, etc.) to the signals
designer to determine placement of signals equipment and
Traffic Signal interfaces.
b) Output: The signal designer provides to the line section
designers locations and drawings of wayside signals,
equipment housing, signal bungalows, impedance bonds,
switch machine layouts, train stop layouts, and other wayside
equipment descriptions to verify attachments, foundation
placement, conduit, and ductbank locations.
4.4.2
Construction
4.4.2.1
Line Sections
The Contractor provides the ductbank, manholes, cable, and under
track conduit for signal cable installation. Also provided are bridge
deck extensions for wayside signal locations and ground mats and/or
ground rods for grounding of the signal equipment on bridges. The
Contractor also prepares and grades the signal bungalow sites for
installation of foundations and grounding systems. The Contractor
installs insulated rail joints and cable trough.
The Contractor verifies the location of insulated joints and tests the
electrical integrity of every joint. The Contractor provides bonding of
special trackwork and cross bonding for traction power returns
currents prior to operation of any vehicles on the track.
4.4.2.2
Traction Electrification System
The traction power substations provide power to the signal power
distribution center.
4.4.2.3
Communications and Central Control
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The Contractor provides the fiber optic modems for interface between
the signal bungalows and the control center. The Contractor also
installs the communications cable between the signal bungalow and
the nearest communications bungalow.
4.4.3
Operations
4.4.3.1 System Operating Plan
a) Input: A clear definition of the type of rail operations,
headway, and method of operation is provided to the signal
designer. This requirement is for both main line and yard
operations.
b) Output: The signal designer develops the signal design based
upon this, criteria, with ongoing interface to alert operations of
problem areas and alternate corrective actions.
4.4.4
Agencies
4.4.4.1
Highway
The Texas Department of Transportation's Manual on Uniform Traffic
Control Devices is the governing manual on the application of
highway crossing warning signals.
4.4.4.2
Cities
The Cities with jurisdiction will review and approve all highway grade
crossing signal plans on a site-specific basis. Interfaces to highway
traffic signal systems are coordinated through the cities.
Operations and maintenance of the signal system is detailed in
interlocal agreements with the appropriate cities.
4.4.5
Railroads
Coordination between DART and the adjacent railroads is required due to
construction activities adjacent to the trackway.
4.5
DESIGN, MANUFACTURE AND INSTALLATION PLAN
Immediately following Notice To Proceed, the CM/GC and Car Borne Cab Signal
Contractor begin detailed design of the signal system.
The contractors provide a design description that details their approach to the signal
system design in narrative format. This submittal also includes catalog cuts and
specifications of utilized equipment and schedules for the design and build process. Long
lead items are approved early in the process.
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After approval of the design description, the contractors submit proposed typical circuits for
all parts of the signal system. These typical circuits are designed for the specific
equipment the Contractor is providing. The typical circuits are thoroughly reviewed and
approved before any site-specific design begins.
Site-specific designs are submitted for review in packages that represent complete
systems. These packages contain all hardware and software design required for the
system to operate.
Constant and regular review of the contractors' design and manufacturing work is used to
ensure adherence to the specifications and schedule requirements. Sequencing of factory
wiring of signal equipment housing is carefully monitored to provide equipment to the field
installation forces at the appropriate time.
Major system element factory testing is witnessed and monitored. Factory test reports are
reviewed and approved prior to shipment of completed equipment.
Field construction normally begins after the trackwork installation is complete. Field
construction generally occurs in the following sequence at a signal location. Cables are
installed in ductbanks and conduits provided by the Contractor. Foundations and buried
equipment are installed at the same time cables are installed. Switch machines, signals,
cases, bungalows, impedance bonds and other ground equipment are installed. Cables
are tested and then connected to the equipment. Insulated joints are checked for accurate
locations and tested for electrical characteristics, and rail connections are made. The
system is powered-up and all electrical parameters are tested and adjusted before system
testing begins. All field-testing is monitored and test reports are reviewed.
Construction sequencing is scheduled to allow the Contractor to install entire subsystems
of the signal system. Where subsystems extend beyond the boundaries of a line section,
the schedule is established to allow for uninterrupted construction of the entire subsystem.
This may mean that the Contractor does not start work in a particular portion of a line
segment until the adjacent line segment also becomes available for systems installation
work.
Conduits are installed by the Contractor for all cables that run under the track ballast and
under concrete work or pavement. The Contractor installs buried conduits that do not run
under the track ballast, under concrete, and under pavement, and conduits, which are
surface mounted on concrete slabs.
The Contractor provides complete ground systems for all other signal locations.
The Contractor supports integrated testing up to system activation for revenue service and
provides maintenance of signal equipment during beneficial occupancy by DART.
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5.0 COMMUNICATION AND CENTRAL CONTROL SYSTEM
Systems Element Manager: Paul Ledwitz
Assistant Vice President - Systems Engineering: Ron Swindell
Assistant Vice President - Construction Management: Diane Gollhofer
Design Consultant Support: Systems Design Consultant - Dallas Systems Consulting
Construction Engineering Manager: Various
Resident Construction Manager/COR: Various
Design/Build Contractor: TBD (CCS)
CM/GC: TBD Various
5.1
OVERVIEW
The Assistant Vice President of Systems Engineering is responsible for the management
of the Systems Design Consultant to assure that Planning, Engineering, and Construction
Support as described below are performed in a timely manner to provide the
Communication and Central Control System for operation as required.
The Communications and Central Control System consists of all necessary equipment,
both voice and data communications, for the Light Rail System. It includes expansion of
the existing radio, telephone, Train Control Center (TCC), Supervisory Control and Data
Acquisition (SCADA), Communication Transmission System (CTS), Pubic Address (PA)
and Visual Message Board (VMB), Fire and Intrusion Office Devices, and future Closed
Circuit Television (CCTV) subsystems.
The objective of this LRT project element is the preparation of performance specifications
which forms the basis for a qualified communications Contractor to modify, design, furnish,
install, test and maintain (through final acceptance) parts of the Communications and
Central Control System, and the integration of this operable system into the existing LRT
Communications and Control System. The Contractor also provides training for DART
Operations and Maintenance personnel, on all new and modified equipment and subsystems.
5.2
CONTRACT UNIT DESCRIPTION
5.2.1
Scope
The communication and central control system is divided into three components.
The first component is comprised of the final design, furnish, and installation of the
field communications system. The field communications systems will be provided
by the CM/GC.
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The second component will encompass the final design, manufacture, supply,
installation, and testing of the central control system expansion.
The third component will encompass the final design, manufacture, supply,
installation, testing, and integration of the expanded radio system.
5.2.2
Contracts
5.2.2.1
CM/GC-Communications
Manufacture, supply, install, modify and test the following:
> Wayside Telephone Subsystem including instruments
> Communications Transmission Subsystem including
nodes (field side)
> DART Telephone Subsystem
> Fire and Intrusion Subsystem (field side)
> Public Address and Visual Message Board Subsystem
(ADA compliant) at stations
> Communications Interface Cabinets at all passenger
stations and for aerial stations the CIC will be located in a
combined facility
> SCADA interface only the field side
5.2.2.2 Operations Control Center (OCC) Software Contract includes
manufacture, supply, install, modify and test the following:
> Software Development
>RTU
> Overview Display
> Communication Controller
> Provisioning and grooming of all OCC equipment
including CTS, DACR, DACS, Telephone
> Rail Operations Console
> Local area network
5.2.2.3
Radio Contract includes the following:
> Manufacture, supply, install, modify and test the following:
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> Radio subsystem expansion to support the Phase II
expansion
5.2.2.4 All contracts shall:
5.3
5.2.2.4.1
Supply spare parts
5.2.2.4.2
Maintain system until final acceptance
5.2.2.4.3
Perform integrated tests of all systems and interface with
others
5.2.2.4.4
Provide a warranty period of materials
5.2.2.4.5
Provide operations and maintenance manuals
5.2.2.4.6
Provide training of DART personnel
DESCRIPTION
5.3.1
Communication Transmission System
The CTS provides for the bi-directional transmission of all light rail operational and
maintenance communication and control requirements to and from the TCC to the
system line segments. The DART furnished CTS consists of a "back bone" singlemode fiber optic system. The system's CTS will be SONET based technology to
ensure system-wide communication and data requirements. Ethernet and TDM
based technology will be used to interface local voice and data.
5.3.2
Voice Communications
Radios (base stations, mobile and portable) and system wide telephones are
available to provide the required voice communications.
The radio subsystem provides system wide coverage including the LRT tunnel.
Specific DART channels are available to maintain the LRT daily operations while
other channels provide coverage to DART Transit Police. Radio coverage will
need to be evaluated and expanded to ensure talkback coverage to portable
radios.
The party line telephones (Wayside/blue light telephones) are located at strategic
places to provide emergency phone service. These phones can be utilized to gain
access to the DART phone system through the TCC controller.
5.3.3
Stations
Telephonic communications systems at stations on the LRT are provided where
emergency telephones are required.
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The design of all stations includes communications interface cabinets (CIC),
conduits, and equipment required for conveying fare collection alarms and data.
Facilities for the installation of communications subsystems including CCTV, public
address and visual message displays are provided.
Visual message signs and public address system will be consistent with the ADA
requirements.
All stations are provided with access to public phones under separate agreements
with local service providers.
5.3.4
Tunnel
Voice communications are available utilizing Wayside Telephone and radio for
normal operations and emergencies. These systems provide for the monitoring
and control of various tunnel facilities by the SCADA System. Any new tunnel
facility will be monitored via SCADA System, radio coverage, as well as other
emergency services, will be provided and monitored at the TCC.
5.3.5
Other Rail Systems
5.3.6
Wayside Telephones will be provided at the freight railroad crossings, as required.
Train Control Center
The TCC consists of Rail Operator Consoles, Remote Control Consoles,
Communication Controller Consoles, and Overview Display Board. The TCC
controls and monitors the signalized areas, Traction Electrification System in the
CTS territory, Communications Systems and tunnel facilities systems (ventilation).
The TCC also monitors the Traction Electrification System outside CTS, fire and
intrusion, and Fare Collection equipment at stations. The train count (in & out) is
monitored in non-communicating territory. Voice communications are continuously
monitored and enabled by the Communications Controller. The TCC will be
expanded to accommodate the increased territory. New control consoles may be
added to accommodate the increased number of controller stations to
accommodate the operational territory. Hardware will be expanded and software
will be developed to meet any new system requirements, and increase in
operating territory.
5.4
OPERATIONAL
5.4.1
The Communications and Central Control Systems are designed to enhance both
the safe and efficient operations of the light rail trains.
5.4.2
The TCC controls and monitors the signalized areas, Traction Electrification
System, and tunnel facilities (ventilation) in the CTS system territory. The TCC
also monitors the Traction Electrification System outside the CTS. Fire, intrusion,
Communications equipment alarms and Fare Collection intrusion equipment are
monitored system wide thru the SCADA System. The TCC provides an interface
for Wayside/blue light phones and the radio communications subsystem.
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5.5
ENGINEERING PLAN
5.5.1
Criteria
The design of the Communications will be accomplished in accordance with the
project Design Criteria, plans and specifications.
5.5.2
Regulations
Applicable codes and regulations are taken into account in the design of the
communications system. Specific codes and regulations having jurisdiction over
parts of the communications system are:
(a)
(b)
(c)
(d)
5.5.3
National Fire Protection Association, NFPA 130 and NFPA 72
Federal Communications Commission, Title 47 CFR
National Electric Code
Americans with Disabilities Act
Standards
Where applicable, industry recognized and accepted standards are used to ensure
safety, uniformity with other properties, and economy. Such standards and
sources include:
> Association
of American Railroads
Manual of
Recommended
Communications Practice
> Institute of Electrical and Electronics Engineers Standards
> Insulated Cable Engineers Association
> American National Standards Institute
> American Railway Engineering Association
> Military Specifications
> National Electrical Manufacturers Association
> Rural Electrification Administration
5.5.4
Considerations
Every effort is made to utilize only equipment and designs, which are service
proven in similar systems.
5.5.5
Major Systems Elements
5.5.5.1
Communications Transmission Subsystem (CTS)
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The Communications Transmission System is comprised of fiber optic
backbone, associated distribution cables and systems electronics.
The CTS has been installed, in the following areas: NC-1, NC-2, CBD,
OC-1, OC-2, G-1, G-2, G-3, NC-3, NC-4, NC-5 & S&l Yard Lead.
New CTS sites will be installed to accommodate the Build-Out Phase
II-A line sections.
5.5.5.2
DART Telephone Subsystem
Dial-up telephone service is provided at traction power substations,
signal houses, communications rooms and houses, certain waiting
platforms, crew rooms, supervisor booths, facilities electrical rooms,
and fan control rooms. The installation includes connection from the
PBX switch and distribution frame to the communications
transmission system, via the Main Distribution Frame. All field wiring
is provided between the instruments and the CTS.
5.5.5.3
CCTV Subsystem
A CCTV surveillance system is provided only for City Place Station.
The system is monitored at the Transit Police Room in the subway.
Conduits are provided at all stations for the future installation of
CCTV.
5.5.5.4
Radio Subsystem
The existing LRV radio subsystem is an 800 MHz voice
communications system using five conventional channels. All five
channels operate in an open mode so that all communications on a
channel can be monitored by all receivers on that channel. The
usage of each channel is defined by the Operations and Maintenance
Plan.
5-800 MHz DART Light Rail channels are utilized as follows:
> Main Line Operations
> Main Line Operations (Secondary/Emergency)
> Yard Operations
> Maintenance Operations
> DART Supervision
> Transit Police
DART's main broadcast and receiver site is located at 901 Main
Street in downtown Dallas. Analysis needs to be performed to define
specific requirements for Build-Out Phase II-A extensions.
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5.5.5.5
Public Address and Visual Message Board Subsystem
A Public Address and Visual Message Board (PA/VMB) Subsystem is
to be provided to allow direct communications with passengers at all
stations and designed to provide coverage for a standard platform of
400 feet.
5.5.5.6 Wayside Telephone Subsystem
The Wayside Telephone Subsystem performs the dual function of
providing emergency communications to the TCC or direct access to
the DART telephone subsystem. The Wayside Telephone Subsystem
is provided at the following:
> Tunnel and Below Grade Structures
> Aerial Station Platforms
> Aerial Structures over 2500 feet long at 1000 feet
intervals
> Elevators
> Stations (where required)
Passenger Emergency Telephone capabilities at at-grade passenger
stations are provided via 9-1-1 service from public telephones.
5.5.5.7 Fire and Intrusion Subsystem
Alarm systems are provided to report emergency conditions back to
the TCC. Alarms, as a minimum, report fires and intrusions at
Wayside facilities such as underground stations, tunnel facilities
equipment rooms, traction power substations, signal bungalows,
communications bungalows, communication rooms, ventilation control
room, and facility substations. Alarms are carried by the SCADA
Subsystem and also report to the DACR through DACT Dial-Up.
5.5.5.8 Control Consoles
Integrated control consoles are the individual workstations for TCC
personnel they are designed for efficient use by operators. Control
Consoles include the console desk and chair, telephone set, radio
communications equipment, keyboard, mouse, PC based processor
and Video Display units.
5.5.5.9
TCC Overview Display Board
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The Signal System of the LRT System provides data via the SCADA
System to the TCC to allow any overview display mimic board to
monitor train movements in signalized territory. The status of traction
power and tunnel emergency systems can similarly be displayed on
the same mimic board. Large screen displays are used to form the
display wall of the TCC. Overview Display Boards provide information
already available in the Control Consoles. Projection equipment will
be added or replaced as needed to cover the new territories for BuildOut Phase II-A
5.5.5.10 Computer Systems
Computer systems handle the routing of data, data storage, console
and mimic board displays, annunciation of alarms, recommendation of
response to emergencies, and input of control functions.
5.5.5.11 Software
Software is provided to implement all of the functions of the computer
systems. Commercially available, open architecture, software is used
wherever possible without sacrificing functionality.
5.5.5.12 Power Supplies
Back-up power supplies are designed for essential functions to ensure
full capabilities of the TCC will be maintained in the event of a power
failure. Expansion of the existing UPS at the TCC may be required to
meet loading requirements.
5.5.5.13 SCADA Subsystem
A SCADA system is provided as follows:
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> To provide dispatching capability utilizing the Signal
System functions
> To provide both control and indication capability to
traction power substations in communicating territory
> To provide indication capability to traction power
substations in non-communicating territory
> To provide public address capability for all stations by
group, line and station on the Build-Out
> Provide both control and indication capability to tunnel
ventilation system
> Provide alarm capabilities from "vital" locations or
operating necessities
5.6
DESIGN PARTICIPANTS
SDC performs the design and prepares the performance specifications and drawings for
the Communications Systems. The SDC team prepares the design and performance
specifications for the computer applications for the SCADA System and reviews detail
designs and provides construction management support through factory and field
inspections and witnessing of tests.
The SDC will provide construction management services and inspection during design,
manufacturing and installation of equipment.
The contractors perform the detailed design and application engineering, manufacture,
deliver, install, test, and maintain the Communications Systems until final acceptance.
5.7
CONTRACTING PROCESS
5.7.1
SCS Software, OCC Modifications, & Radios
A formal procurement process will be used. It will be a two-step process.
The first step includes development of a detailed specification, issuance of a
Request for Technical Proposal by DART, submittal of technical offers by
proposers, evaluation of those technical offers, including individuals interviews
with each proposer, possible amendment of commercial/contractual conditions,
specifications and technical offers and determination by DART of the acceptability
of final technical matters.
The second step includes DART issuance of an IFB to the acceptable proposers,
contract award to the responsive proposer with the lowest price and issuance of
the Notice-To- Proceed with implementation of the Contract.
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5.8
CONTRACT COST
The contract costs associated with this element are contained within the DART LRT
Project Budget Book (a separate document).
5.9
5.10
ENGINEERING TASKS
5.9.1
Determine maximum communication house spacing.
5.9.2
Define the cable requirements for fiber optic and metallic cables based on capacity
and distance
5.9.3
Define the communications power requirements for both AC and DC loads, based
on 80% utilization maximum
5.9.4
Define all cross-connect and DAC grooming requirements
5.9.5
Define a space plan for the train control center and all field facilities
5.9.6
Define grounding standards consistent with communications system design
standards
5.9.7
Perform site acceptability/suitability survey for all communication, houses,
facilities, rooms, and station communication interface cabinets.
5.9.8
Witness factory testing as required by the specification
5.9.9
Review all design review documents for conformance to specification.
5.9.10
Provide construction management and inspections during design, manufacturing
and installation.
5.9.11
Witness field testing.
5.9.12
Conduct acceptance testing.
5.9.13
Provide engineering support during integrated testing.
5.9.14
5.9.15
Provide engineering support during activation and start-up testing, as required.
Provide coordination for DART communications maintenance group, on
engineering issues.
5.9.16
Provide interface for communications engineering issues with systems integration
group as well as DART Operations and Maintenance
5.9.17
Provide engineering oversight and interface for SCADA connectivity for all
systems, and facilities devices (points and closure condition).
MAJOR INTERFACES
5.10.1
Design
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5.10.1.1 Operations Control Center (OCC)
a) The OCC serves as the hub of all Communications Systems.
The location and function of the Train Control Center (TCC)
affects the overall Communications and Central Control
Systems design.
5.10.1.2 Signal System
a) Input required from the Signal designer provides the
Communications and Central Control Systems designer the
requirements for a data communications system between the
wayside signal bungalows and the TCC.
5.10.1.3 Traction Electrification System (TES)
a) Input from the TES designer provides the Communications
and Central Control Systems designer requirements for a
SCADA System between the traction power substations and
the TCC and the location of power cables to communication
bungalows.
b) Output from TES designer includes power, conduits, and
space requirements for telephone and AC power.
5.10.1.4 Light Rail Vehicles
a) Input from vehicle designer is electromagnetic compatibility
and interference (EMC/EMI) characteristics.
5.10.1.5 Rail Operations and Supervision
a) Input from Systems Integration, provides the Communications
and Central Control Systems designer the necessary
requirements for communications facilities at the control
center for the supervision of rail operations. Systems
Integration also provides the Communications and Central
Control Systems designer with the requirements for wayside
communications equipment.
5.10.1.6 Stations
a) Output from the Communications and Central Control
Systems designer provides the requirements for installation of
communications system in the stations. This includes
interface cabinet requirements, conduit requirements, and
equipment locations.
5.10.1.7 Maintenance and Storage
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a) Input required from the facilities designer provides the
Communications and Central Control Systems designer
layouts of communications maintenance and storage areas.
5.10.1.8 Line Sections
a) Input from the facilities designer provides accurate, scaled
plans so that wayside equipment can be located.
b) Output from the Communications and Central Control
Systems designer includes typical drawings of Wayside
Telephones and radios cable to verify attachments and
clearances and provides the locations for that equipment.
5.10.1.9 S&l Facility/Northwest Rail Operating Facility
a) Output required from the Communications and Central
Control Systems designer provides information to the TCC
architectural designer on equipment requirements for space,
lighting, power, grounding, and floor loading.
5.10.1.10 Fare Collection
a) Input from the Fare Collection Designer defines the remote
monitoring of the Fare Collection equipment.
b) Output to the Fare Collection Designer defines the
requirements for interfacing of Fare Collection equipment to
the SCADA System.
5.10.2
DART MIS
The Communications and Central Control Systems design assists DART in
coordination efforts to facilitate procurement and installation of telephone switch
equipment, as required.
5.11 AGENCIES
5.11.1
Federal Communications Commission
The Communications and Central Control Systems designer assists DART in
providing notifications to the FCC to keep DART radio licenses up to date.
City of Dallas, Carrolton, and Farmers Branch Fire Departments.
The Communications and Central Control Systems designer assists DART in
coordination with the City Fire Departments regarding emergency
communications.
5.11.2
Public Telephone Company (SBC, Verizon)
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The Communication and Central Systems design assists DART in coordination
efforts to facilitate all station public phones, providing interface and various
telephone requirements in key communications territory.
5.12 CONSTRUCTION
5.12.1
Line Sections
The CM/GC provides the ductbank, manholes, handholes, and undertrack conduit
laterals for the installation of communications cables. The CM/GC also provides
for the installation of connections to telephones, intrusion alarms, sump pump
alarms, and other communications systems.
5.12.2
Signals System
The CM/GC provides the logic for the remote control of the Signals System for
inclusion in the OCC computer system design.
The CM/GC provides the communications link to the bungalow for voice and data
communications.
5.12.3
Traction Electrification System
The CM/GC provides the logic for the remote control of the Traction Electrification
System for inclusion in the OCC computer system design. Power for the
communications and signal houses is supplied from TPSS.
The CM/GC provides the communications link to the bungalow for voice and data
communications.
5.12.4
Northwest Rail Operating Facility
The Northwest Rail Operating Facility CM/GC constructs the potential
radio/communications site, mini OCC, equipment room and switch room.
Grounding and power for the equipment will also be provided by the Northwest
Rail Operating Facility.
5.12.5
Stations
The CM/GC provides the mounting pad for the CIC, conduits, VMB stanchion
pads, PA system, and power for all communications facilities at all stations.
The CM/GC provides and installs the CIC and other communications equipment,
as required, at all stations.
5.13
DESIGN, MANUFACTURE, AND INSTALLATION PLAN
Immediately following Notice-To-Proceed (NTP), the GM/GC, the OCC Contractor,
and the Radio Contractor begin detailed design of the communications system.
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Submittals from the contractors begin soon after NTP. These submittals include
catalog cuts and specifications of equipment to be used and schedules for the
design and build process. Long lead items are approved early in the process.
Details designs for each subsystem of the Communications, Central Control
System, Radio, etc. are submitted and reviewed as complete design packages.
These packages contain all hardware and software design required for that
subsystem to operate and are major milestones in the progress of the contract.
Constant and regular review of the contractors' design and manufacturing work is
used to ensure adherence to the specifications and schedule requirements.
Sequencing of manufacture and factory wiring of equipment is carefully monitored
to provide equipment for field installation at the appropriate time.
The contractors' quality assurance and system safety program are monitored to
ensure compliance by the contractors and equipment suppliers.
Factory testing of major subsystems is witnessed and monitored. Factory test
reports are reviewed and approved prior to shipment of completed suppliers.
Field construction by the CM/GC normally begins after the trackwork installation is
complete. Field construction generally occurs in the following sequence for
communications systems: Cabinets, bungalows, and other housings required for
the termination of cables are installed first. Cables are installed between housings
in ductbanks troughs and conduits. Cables are tested and then connected to the
equipment. The system is powered-up and all electrical parameters are tested
and adjusted before system testing begins. All field-testing is monitored and test
reports are reviewed.
Construction sequencing is scheduled to allow the contractors to install complete
elements of subsystems of the communications systems. Where elements extend
beyond the boundaries of a line section the schedule is established to allow for
uninterrupted construction of the entire element. This may mean that the
Contractor does not start work in a particular portion of a line segment until the
adjacent line segment also becomes available for systems installation work.
Conduits are installed by the CM/GC for most cables.
Grounding systems are installed by the NWROF CM/GC for the Northwest Facility.
The NWROF CM/GC connects to those ground systems and provides complete
grounding systems for all other communications equipment locations.
The CM/GC Contractor, OCC Contractor, and Radio Contractor provide
maintenance of communications equipment during beneficial occupancy by DART
and supports integrated testing up to system activation for revenue service.
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6.0 CORROSION CONTROL
Systems Element Manager: Glenn Shankle
Assistant Vice President - Systems Engineering: Ron Swindell
Design Consultant Support: Systems Design Consultant - Dallas Systems Consulting
Construction Manager: TBD
Contractors: CM/GC-TBD
6.1
OVERVIEW
6.1.1
Design
The Assistant Vice President of Systems Engineering is responsible for the
management of the Systems Design Consultant to assure that Planning,
Engineering, and Construction Management as described below are performed in
a timely manner to provide the implementation of Corrosion Control - Central
mitigation requirements for operation as required.
Corrosion control engineering addresses three broad areas, namely natural soils
corrosion, atmospheric corrosion and stray current corrosion. While there is some
overlap among these areas, especially between soils and stray current corrosion,
each area is addressed independently. Engineering work involves essentially all
aspects of design, including civil, trackwork, structural, facilities, traction
electrification and other disciplines. This engineering information is consolidated
into the corrosion control program.
The soils, atmospheric and stray current environments are assessed relative to
anticipated corrosion rates for commonly used construction materials and
materials/systems specific to the DART project. This information is used to
develop project specific corrosion control systems to maximize the service life of
the DART system while reducing maintenance costs and providing continuity of
operations. Another broad issue is to minimize the stray current impacts on third
party facilities, principally pipelines and cables, due to DART's Light Rail
operations.
6.1.2
Soils Corrosion Control
Corrosion caused by natural occurring corrosive soils is assessed through direct
measurement of selected soils and review of previous studies. Corrosion control
is implemented on DART facilities through application of one or more of the
following generic measures:
> Material selection
> Protective coatings
> Cathodic Protection
6.1.3
Atmospheric Corrosion Control
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Corrosion caused by local atmospheric conditions is assessed through on-site
observations along the right-of-way, literature review and discussion with
owner/operators of aboveground physical plants. Extensive use is made of
pervious studies in this area. Corrosion control is implemented through selection
of materials and application of protective coatings/paint systems,
6.1.4
Stray Current Corrosion Control
Corrosion caused by stray earth currents is assessed through network analysis of
the traction control requirements.
6.2
CONTRACT UNIT DESCRIPTION
Corrosion control is included in the CM/GC Contract through the final design
process. Contracting costs are included with specific facilities, system elements
and material procurement when corrosion control is required.
6.3
ENGINEERING PLAN
6.3.1
Review contract documents at various stages of completion. At 90% completion
assess corrosion control implementation and to incorporate contract specific
requirements not covered by the standards.
6.3.2
Design corrosion control systems on a contract specific basis to cover elements
and systems not covered adequately by the standards. Prepare drawings and
specifications for these items as necessary.
6.3.3
Provide cost estimates for corrosion control systems and testing.
6.3.4
Review and provide responses on technical issues raised by other disciplines and
designers concerning corrosion control.
6.3.5
Establish a corrosion control committee including various utilities, design
consultants and DART to coordinate and address stray current corrosion control
issues.
6.3.6
Conduct corrosion testing during construction phases of line section contracts.
6.3.7
Perform final acceptance testing of all corrosion control measures. Principally
trackwork and DWU water mains.
6.3.8
Prepare an integrated corrosion control test program and procedures for start-up
and revenue operations testing.
Coordinate and perform start-up and revenue corrosion control tests with area
utility operators.
6.3.9
6.3.10
6.4
Prepare input for the Operations and Maintenance manual, including periodic
retesting requirements for corrosion control.
INTERFACE
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6.4.1
Design
6.4.1.1 Traction Power and Electrification
Input is required regarding traction power substation locations,
operating voltages, regulation, positive circuit and negative circuit
characteristics, vehicle performance characteristics and trackwork
types. This information is used to perform a network analysis of the
system to determine stray current levels.
6.4.1.2 Trackwork
Input is required regarding types of track construction and design
concepts, including candidate materials for embedded trackwork.
This information is used to establish requirements for trackwork
design to meet track-to-earth resistance criteria.
6.4.2
Line Sections and Standard Designs
Input is required regarding designs at various submittal levels to identify those
facilities and systems requiring corrosion control.
6.4.2.1
Utilities
Coordinate and discuss stray current corrosion control program with
area utilities.
6.4.3
Construction
6.4.3.1 Coordinate with Resident Construction Managers (RCM) to conduct
corrosion control acceptance tests.
6.4.3.2
6.4.4
Coordinate with local utility operators regarding construction
acceptance tests on corrosion control measures installed with utility
structures.
Testing
Coordinate with local utility operators regarding corrosion control testing during
start-up and early revenue operations.
6.5
CONSTRUCTION PLAN
Corrosion control measures are specifically designed for each line section. There is no
separate construction contract for any of the corrosion control installation; instead, all
required measures are furnished, installed, and tested by the various CM/GC's.
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7.0 FARE COLLECTION
System Element Manager: Carrene Gilbert
Assistant Vice President - Systems Engineering: Ron Swindell
Design Consultant Support: Systems Design Consultant - Dallas Systems Consulting
Construction Manager/COR: TBD
Design/Build Contractor: TBD
7.1
OVERVIEW
The purpose of this element is to procure the Fare Collection equipment needed to
implement self-service fare collection. The Fare Collection equipment consists of ticket
vending machines (TVMs) to issue tickets, stand alone validators (SAV's) for time and date
stamping pre-purchased tickets, and a Central Data Collection System (CDCS) to monitor
the TVMs and collect revenue and operating data.
Fare Collection equipment is located at each passenger station. The design and locations
are coordinated with the General Engineering Consultant (GEC).
7.2
CONTRACT UNIT DESCRIPTION
7.2.1
Scope
One contract is used for this element. The contract provides all the Fare
Collection equipment required to operate in accordance with DART fare policies.
The contract includes design, manufacture testing, installation, pre-revenue testing
and warranty of the fare collection equipment. The Fare Collection equipment
contract includes:
> Design of Fare Collection equipment
> Ticket Vending Machines with bill acceptors and coin re-circulators
> Stand Alone Vaildators
> Central Data Collection System, including all hardware required to
transmit data to the communication system and to receive and sort the
data at the CDCS location
> Spare parts
> O&M training manuals
> Installation of Fare Collection equipment
> Connection of Fare Collection equipment to power facilities and the
Communications interface cabinet (to maintain warranty)
> Integrated and pre-revenue testing
7.2.2
Contracting Process
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The Fare Collection equipment is procured through a two-step procurement
process.
7.2.3
Contract Cost (Procurement)
The contract costs associated with this element are contained within the LRT Build
out System Budget Book (a separate document).
7.3
ENGINEERING PLAN
The Fare Collection equipment meets the various requirements of the existing fare system,
cost effectiveness, convenience and reliability.
7.3.1
Principal Design Considerations
7.3.2
Single ride ticket issuance.
7.3.3
Timed passes issuance.
7.3.4
Multi-ride media issuance.
7.3.5
Bill and coin handling with escrow.
7.3.6
Location and operational requirements.
7.3.7
Procurement of proven equipment.
7.3.8
Revenue collection and money exchange.
7.3.9
Modular design to allow servicing and possible later replacement or upgrading of
major assemblies (e.g. bill acceptors, changers, ticket issuers, etc.)
7.3.10
Coin acceptors will accept all valid US coins except pennies, including new coins
introduced prior to equipment installation.
7.3.11
Bill acceptors will accept $1, $5, $10 and $20 bills/including new bills introduced
by the US Treasury.
7.3.12
Smart cards will be used for security access to the TVMs, with provisions included
to use smart cards for fare payment.
7.3.13
Credit and debit card acceptance capability will be installed and tested, then
disabled for future use.
7.3.14
Real time status and revenue information available.
7.3.15
Automatic data down loading to CDCS.
7.3.16
Conformance to applicable safety and electrical codes.
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7.3.17
Serviceability and reparability.
7.3.18
Compatibility of power equipment with station power supply.
7.3.19
Security against theft or vandalism.
7.3.20
Tri-level secured access.
a) Ticket replenishment and servicing.
b) Vault cabinet access.
c) Revenue access.
7.3.21
Cost effectiveness.
7.3.22
Coordination with the overall DART System.
7.3.23
Identification of required alarm and data transmission.
7.3.24
Compliant with Americans with Disabilities Act.
7.3.25
Design Participants
7.3.26
The basic functional requirements of the equipment are developed by the Project
Manager in concert with DART Operations and Finance. Equipment locations are
determined by the Project Engineer and the architect responsible for station
design. The system design consultant prepares the performance specifications
and drawings for the fare collection equipment. Upon selection of a Contractor,
the detailed design of equipment is prepared by the Contractor.
7.3.27
Engineering Tasks
7.3.28
Coordinate with Operations and Finance Departments throughout the following:
7.3.28.1 Revise detailed design criteria for the Fare Collection equipment.
7.3.28.2 Establish a Fare Collection equipment design and manufacture
schedule.
7.3.28.3 Develop standard and directive drawings for the Fare Collection
equipment.
7.3.28.4 Define the performance requirements for the Fare Collection
equipment.
7.3.28.5 Define the power requirements for the Fare Collection equipment.
7.3.28.6 Define the physical requirements for the Fare Collection equipment.
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7.3.28.7 Provide to DART a technical specification for Contractor Qualifications
as Step 1 of a two-step procurement.
7.3.28.8 Assist DART in the evaluation of technical proposal received in Step
1. The evaluation included face-to-face clarification meetings with
bidders. This constitutes value-engineering exercise as well.
7.3.28.9 Modify specifications and contact drawings to incorporate acceptable
comments received at Step 1. Assist DART in evaluations of bids
from qualified proposers (Step 2) and the awarding of the contract.
7.3.28.10Review the Contractor's submittals and design.
7.3.28.11 Review shop drawings.
7.3.28.12Coordinate installation of conduits, signage, etc. for future installation
of Fare Collection equipment with Stations Project Manager.
7.3.28.13Witness factory testing
7.3.28.14 Maintain contract documents showing all changes.
Review
Contractor's as-built documents to assure all modifications are
included.
7.3.28.15Assure that the Contractor's training programs, maintenance and
operations procedures are acceptable.
7.3.28.16Monitor the performance and progress of the Contractor.
7.3.28.17 Review and process all applications by the Contractor for progress
payments and final payment.
7.3.28.18Conduct the final inspection at the completion of manufacture and
provide a report on the findings.
7.3.28.19 Monitor delivery of the completed Fare Collection machines to DART.
Machines may be in storage until the stations are ready for
installation.
7.3.28.20 Verify conduit installation and location.
7.3.28.21 Coordinate the installation of Fare Collection equipment.
7.3.28.22 Provide engineering support during integrated testing and prerevenue service testing.
7.3.28.23 Provide engineering support during activation and start-up.
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7.4
DESIGN/CONSTRUCTION INTERFACE
7.4.1
Stations
Size, placement, and connections (power, alarms) are important interface
elements that must be determined for the station contracts which are awarded
before the Fare Collection Contractor is or under contract. The interface for the
construction of the station infrastructure by the line section Contractors is to
provide a base foundation slab at machine locations with a junction box containing
110 VAC single phase power supply and ground and two one-inch empty conduit
for the installation of a fiber optic cable used to transmit TVM data to the CDCS.
The TVM data is sent to the CDCS via the DART fiber optic communication
system. Connection locations and equipment required must be coordinated with
communications.
7.4.2
Communications
The TVM alarm will be monitored in the Operations Control Center; hence design
interface between Fare Collection and Communications is necessary. Conduit is
being provided from the Fare Collection Equipment to the Communications
Interface Cabinet to allow transmission of the alarm.
7.4.3
Commuter Rail
Interface with Commuter Rail is required to insure the required conduit, power, and
communication facilities are provided in the stations. Any fare differences must
also be coordinated.
7.5
DESIGN, MANUFACTURING, AND INSTALLATION PLAN
Immediately following notice to proceed, the Fare Collection Equipment Contractor
begins the detailed design of the Fare Collection equipment. During this design
stage, the Project Manager and COR review the design at the specified intervals.
Design reviews are conducted prior to the commencement of manufacturing.
The COR monitors the vendor's fabrication process and inspectors/engineers
witness manufacturing and testing at the vendor's plant at random as well as prearranged points and times along the process. Test reports are reviewed by the
project manager and COR to ensure compliance with the specification.
First article inspections are performed on the first production units and deficiencies
are corrected prior to re-commencement of manufacturing.
Upon completion of manufacturing the Fare Collection equipment is factory tested.
After satisfactory completion of the tests, the equipment is shipped for installation.
The Fare Collection equipment is installed by the Fare Collection Equipment
Contractor at the designated location (s) at each station. The electrical and
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communication connections of the Fare Collection equipment are made by the
Fare Collection Equipment Contractor.
Installation testing is performed after the Fare Collection equipment is installed to
ensure the installation has been made in accordance with the requirements.
Acceptance DART and SDC personnel witness these tests.
The warranty covers one year after acceptance for all installed equipment.
Warranty provisions for the spare fare collection machines cover a period of one
year after acceptance. Spare parts warranty covers one year after delivery.
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8.0 NORTHWEST CORRIDOR, LINE SECTIONS NW-1A
Project Manager: Allen (Bud) Beene
Assistant Vice President - Facilities Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): LAN/STV
Construction Engineering Manager: Bill Stinson
System Element Manager: Carrene Gilbert
Construction Manager: Julio Rodriguez & Ross Bowman (LAN/STV)
Construction Contractor: Martin K. Eby Construction Co., Inc., AUI Construction, MASS
Electric, and CM/GC
8.1
OVERVIEW
Line Section NW-1A extends from its intersection with Line section OC-1 near Houston
Street along the former Union Pacific Railroad (UP) corridor a distance of approximately
1.25 miles to near Turtle Creek. The line section is double tracked and includes a pocket
track north of Victory Station and a non-revenue Interline connector between OC-1 and
NW-1A. The line section shares the common corridor and is parallel to the Trinity Railway
Express (TRE).
One at-grade station (Victory) is located adjacent to the American Airlines Center. The
station is a combined LRT and TRE facility to be completely finished out as part of the line
section construction contract. Included in this line section are six new bridges. These are
the LRT double track bridges over Continental Avenue and Lamar Street; a single track
LRT bridge at Hi-Line Avenue; three double track TRE bridges at Continental Avenue,
Lamar Street and Hi-Line Avenue.
There are no at-grade crossings in this line section. The construction of the new Lamar
extension is included in the line section construction contract.
8.2
CONTRACT UNIT DESCRIPTION
8.2.1
Scope
There are two facility construction contracts for this element. The first facilities
contract consists of construction a retaining wall to hold the west side of the station
and the relocated TRE main line tracks. The second contract consists of new
bridge construction, street improvements, utilities, station construction and
catenary pole and signal foundation construction of Line section NW-1A and its
appurtenances.
The work in this contract includes the following:
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> Track relocation
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> Bridge demolition
> Bridges, new construction
> Curbs, gutters, sidewalks and pedestrian walkway
> Ducts, conduits, manholes and pull boxes
> Pavement Markings
> Substation site and catenary pole foundations
> Signal case and signal house site work, signal foundations
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signal foundation
> Victory Station
> Minor site demolition
> LRT and Station Signage
> Landscaping and irrigation installation
> LRT Track construction
> Artwork
> Traction Electrification System
> Signal System
> Communication System
Work items not included are:
> Utility relocations by TXU Electric, MCI (Worldcom), AT&T, SBC, ASCI,
Dynamic Cable.
> Track material procurement
> Hazardous material clean-up
> Wayside equipment in support of cab signals
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> PA/VMB's at Victory Station
> CBD (Train to Wayside Communications)
8.3
8.2.2
Contracting Process
A conventional single-step bidding process is used.
8.2.3
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate Document).
ENGINEERING PLAN
8.3.1
Principal Design Considerations
8.3.1.1
General
8.3.1.1.1
Civil and Architectural design elements are in accordance
with DART's Design Criteria.
8.3.1.1.2
The design complies with all local, state and federal
jurisdictional codes and standards, including ADA
regulations.
8.3.1.1.3
The design and construction timeline incorporates all of
the NEPA Environmental Assessment recommendations
for environmental mitigations, as well as the DART Board
of Director's desire to maintain the Service Schedule.
8.3.1.1.4
The design is coordinated and consistent with the
following engineering elements:
> Vehicles
> Traction Electrification
> Signals
>
Communications
> Fare Collection
> Track
> Line Section OC-1
> Line Section NW-1B
> Art and Design Program
8.3.1.1.5
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The design provides for ease and economy of
maintenance
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8.3.1.1.6
The design is cost effective.
8.3.1.1.7
The design will leave as much of the existing vegetation
undisturbed as possible.
8.3.1.2 Alignment
8.3.1.2.1
The design utilizes the existing right-of-way and
minimizes any additional right-of-way purchases.
8.3.1.2.2
The track geometry is designed for a maximum speed of
65 mph.
8.3.1.3 Roadway
8.3.1.3.1
8.3.1.4
The line section includes the construction of the realigned
extension of Lamar Street.
Drainage
Open-ditch drainage is used throughout, where practical.
Underdrains and ballast are used at station platforms, retaining walls
and at other areas where open ditches are not practical.
8.3.1.5
8.3.1.6
Structures
8.3.1.5.1
A new TRE bridge and a new LRT bridge are to be
constructed over Continental Avenue.
8.3.1.5.2
A new TRE bridge and a new LRT bridge are to be
constructed over the Lamar Street extension.
8.3.1.5.3
A new TRE bridge and a new LRT bridge are to be
constructed over the Hi-Line Avenue.
8.3.1.5.4
The existing TRE bridge over Hi-Line Drive will be
modified for LRT service.
Stations
The Victory Station at American Airlines Center (AAC) is to be
completed in this work effort and is to include all station canopy
trusses and columns, the pedestrian walkway to the AAC, and Art and
Design Program elements. The station is to include all conduit,
piping, embedded elements, all electrical and systems elements, and
all concrete finishes and temporary crew room.
8.3.1.7
Utilities
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All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
8.3.1.8
Traction Electrification
8.3.1.8.1
Substations are located at:
> Northwest Junction; and
> Hi-Line Drive.
8.3.1.8.2
8.3.1.9
The design includes substation access roadways,
catenary pole foundations and conduit requirements.
Fare Collection
Each platform is designed for installation of ticket vending machines
and validators.
8.3.1.10 Track
Track is installed as part of the line section construction contract.
8.3.1.11 Signals
Wayside signals are installed at the interlockings and the pocket track
and the design incorporated conduits, stub-ups and foundations for
these signals.
8.3.1.12 Communications
Express troughs are installed everywhere along the line section
except where precluded by other physical features such as Victory
Station, where duct banks are used.
8.3.1.13 Landscaping
Landscaping is installed as part of the line section construction
contract. Conduits for irrigation lines are also to be installed in this
contract.
8.3.1.14 Vibration and Noise Mitigation
No noise or vibration mitigation is required for this line section.
8.3.2
Design Participants
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The design of this line section is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Operations, Traffic Signs, and Signals, Track Stations and Line Sections OC-1,
CBD, & NW-1B), the Trinity Railway Express, the City of Dallas and Local Utilities.
8.3.3
Engineering and Construction Tasks
8.3.3.1
Prepare final design including design reports and calculations.
8.3.3.2 Prepare any design criteria exceptions.
8.3.3.3
Prepare project schedule, milestones and contract unit descriptions.
8.3.3.4
Prepare preliminary cost estimates.
8.3.3.5
Prepare work program.
8.3.3.6
Provide all surveys required to support design, right-of-way acquisition
and construction activities.
8.3.3.7
Coordination, investigation and clean up of hazardous material. (None
encountered)
8.3.3.8
Incorporate track alignment plan, profile and typical sections.
8.3.3.9 Perform all necessary soils explorations and analyses.
8.3.3.10 Design drainage system.
8.3.3.11 Review and coordinate with the COD/Victory Development detention
facilities.
8.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
8.3.3.13 Coordinate design with other engineering elements.
8.3.3.14 Design roadway crossings.
8.3.3.15 Review Value Engineering report.
8.3.3.16 Prepare in-progress plans, specifications and cost estimates.
8.3.3.17 Prepare pre-final plans, specifications and cost estimates.
8.3.3.18 Prepare final plans, specifications and cost estimates.
8.3.3.19 Prepare final right-of-way maps.
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8.3.3.20 Secure necessary permits and approvals.
8.3.3.21 Issue invitation for bids, conduct pre-bid conference and bid opening.
8.3.3.22 Evaluate bids, award contract and issue notice to proceed.
8.3.3.23 Review construction schedule and submittals.
8.3.3.24 Prepare inspection and testing plan.
8.3.3.25 Perform construction management services.
8.3.3.26 Monitor adherence to schedule and budget.
8.3.3.27 Process Change Orders.
8.3.3.28 Review and process progress payments.
8.3.3.29 Prepare contract status reports.
8.3.3.30 Coordinate with follow-on Systems contracts.
8.3.3.31 Prepare contract status reports.
8.3.3.32 Verify "as-built" drawings.
8.3.3.33 Prepare and issue notice of acceptance.
8.3.3.34 Perform contract close out and necessary documentation.
8.3.3.35 Coordinate design with operations at the junction with the Starter
System (Northwest Junction).
8.4
INTERFACE
8.4.1
Design
8.4.1.1
Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope, and operating characteristics.
b) Output provided to Vehicles includes civil clearances and
track geometry.
8.4.1.2 Traction Electrification
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a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment, assistance in obtaining site development permits,
and soils reports, catenary pole foundation and substation
slab design.
8.4.1.3
Signals
a) Input required from Signals includes location of signal
equipment; pull boxes, and conduit requirements.
b) Output provided to Signals includes track alignment, and
profile geometry.
8.4.1.4
Communications
a) Input required from Communications includes location of
Station PA speakers, and CCTV (future), manholes,
communication bungalows and equipment and routing of
conduits.
b) Output provided to Communication are station configuration
and elements appropriate for equipment placements
8.4.1.5
Fare Collection
a) Input required from Fare Collection includes the number and
physical dimensions of ticket and validation machines, space
requirements and power and communication requirements.
b) Output provided to Fare Collection are station configuration
and layout, conduit size, and location of Fare Collection
Equipment.
8.4.1.6 Trinity Railway Express (TRE)
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track design requirements.
8.4.1.7
Line Section OC-1:
a) Input required from line section is track alignment, grading,
drainage and conduit design at contract limit area.
b) Output provided to line section is conformed plans and/or asbuilt plans if available.
8.4.1.8
Line Section NW-1B:
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a) Input required from line section is track alignment, grading,
drainage and conduit design at contract limit area.
b) Output provided to line section is conformed plans and/or asbuilt plans if available.
8.4.1.9 City of Dallas
a) Input required from the City of Dallas involves design review
and approval of contract plans and specifications.
b) Design output provided to the City of Dallas in the form of
preliminary, in-progress, pre-final, and final plan and
specification documents for their review.
8.4.1.10 Utilities
a) Input required from various utility owners (gas, water, cable,
electric, phone, sewer) regarding location of existing and a
plan and schedule for relocating conflict facilities.
TXDOT
a) Input required from TXDOT regarding the construction of a
new waste water line to a manhole located on TXDOT rightof-way (ROW) and construction access across TXDOT ROW;
coordination of line section drainage with that of TXDOT
ROW.
b) Output is provided to TXDOT in the form of preliminary, inprogress, pre-final, and final plan specification documents for
their review.
8.4.1.11 Corrosion Control
a) Input required from private and franchise utilities regarding
utilities to be relocated.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
8.4.1.12 Grounding
a) Input required from Systems Design Consultant on any
special grounding requirements for Victory Station or systems
facilities.
b) Output provided includes final plan incorporating grounding
requirements.
8.4.1.13 Traffic Control
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a) Input required from City of Dallas Traffic Department
regarding traffic and pedestrian control options during
construction.
b) Output provided to City of Dallas Traffic Department includes
preliminary traffic and pedestrian control plans.
8.4.1.14 Art and Design Program
a) Input required from Site Specific Committee.
b) Output provided for specific program elements or commission
to be installed.
8.4.1.15 Lamar Street Extension
a) Input required from City of Dallas includes plans for Lamar
Street Extension.
b) Output provided to City of Dallas includes incorporation of
Lamar Street extension plans into final bid package.
8.4.1.16 Systems Integration/Operation
a) Input required from Systems Integration regarding track
allocation and operating restriction for work on active
mainline. (OC-1)
b) Output provided to System Integration includes construction
staging requirements and schedule of activities on or adjacent
to active mainline. (OC-1)
8.4.2
Construction
8.4.2.1
Traction Electrification
Provide pole foundation and substation access roads for Traction
Electrification. The line section schedule must be coordinated with
the Traction Electrification contract. Coordinate track occupancy with
Traction Electrification Contractor.
8.4.2.2
Signals
Install conduit, pull-boxes, and power bonding for Signals. Grade site
for signal cases and houses. Provide access road for Placement of
houses.
8.4.2.3
Track
Track materials are produced under separate contracts and supplied
to the line section Contractor for installation.
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8.4.2.4
Operations
The construction activities at the Line Section contract limit with OC-1
must be closely coordinated with DART's operations.
8.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services. (Victory Station, Lamar
Street Extension).
8.4.2.6
Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria. The utilities
relocation plans and schedules must be coordinated with the
construction schedule on order to avoid delays to either party.
8.4.2.7
Fare Collection
Provide conduit pull boxes and power requirements for the ticket
vending and validating machines.
8.4.2.8 Communications
Install conduit, pull-boxes, ductbanks, and manholes.
Install
provisions for future installation of public address and CCTV systems.
Coordinate line section construction schedule with Communications
Contractor.
8.4.2.9
Traffic Signals and Signs
Install signals, traffic signal foundation and signs per TXDOT and
COD requirements.
8.4.2.10 Landscaping
Install conduit lines for irrigation systems to support landscaping work.
8.4.3
Agency Agreements
8.4.3.1 City of Dallas- Plan reviews, building permits, code compliance, water
line easement, storm sewer connections, Design and Construction
Interlocal Agreement, right of access permit, permanent easement
under Woodall Rodgers Freeway.
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8.4.3.2 TXU Electric Co. - Utility adjustment agreements, persisting license
and electrical service connection agreements for station amenities
and lighting.
8.4.3.3
SBC
- Utility adjustment agreements and telephone service
connections.
8.4.3.4 AT&T Broadband, ASCI, Dynamic Cable - Utility adjustment
agreements.
8.4.3.5
MCI (Worldcom) - Utility adjustment per existing license agreements.
8.4.3.6 Texas Commission on Environmental Quality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
(Not Required)
8.4.3.7 Texas Department of Transportation - Permit for waste line
connection to manhole on TXDOT ROW and right of access
agreements from/across TXDOT ROW.
8.5
CONSTRUCTION PLAN
The Line Section NW-1A Contractor is to perform all necessary demolition and site
clearing. The Contractor then performs utility relocations, grading, drainage, bridge
construction, ductbank, OCS and signal foundations, station platforms, and finishes, street
construction, Lamar Street Extensions, traffic signal foundations, signs, and pavement
markings. The general direction of construction is from south to north to accommodate
track construction and the welded rail storage site north of the project location.
After the trackway is completed, the line section Contractor will install the LRT track and
the landscape and irrigation items. Then the Traction Electrification Contractor will install
the Overhead Contact System (OCS) and the new Traction Power Substation (TPSS).
The Signals and Communications Contractors may perform their work concurrently with
the work of the Traction Electrification Contractor.
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9.0 NORTHWEST CORRIDOR, LINE SECTIONS NW-1B
Project Manager: Allen (Bud) Beene
Assistant Vice President - Facilities Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Patrick Diveney
Construction Manager: TBD
CM/GC: TBD
9.1
OVERVIEW
Line Section NW-1B extends from just north of the Victory Station along the former Union
Pacific Railroad (UP) corridor a distance of approximately 2.8 miles to a point adjacent to
Denton Drive just south of Bomar Avenue. The line section is double tracked with
universal crossovers located north of Inwood Road.
One at grade station (Market Center) is located along the west side of Harry Mines
Boulevard south of the intersection of Wycliff Avenue and Harry Hines Boulevard. One
aerial station (Parkland) is located at Motor Street east of Harry Hines Boulevard. One
aerial station (Inwood) is located along the west side of Denton Drive south of the
intersection of Denton Drive and Inwood Road. These stations are to be completely
finished out as part of the line section construction contract. Included in this line section
are three new bridge structures. These are the LRT double track bridges over Turtle
Creek; Oak Lawn Avenue; and Market Center/Harry Hines Intersection, Cedar Springs
Branch, Redfield Drive, Maple Avenue, Inwood Road and Knights Branch.
9.2
CONTRACT UNIT DESCRIPTION
9.2.1
Scope
This line section element is the responsibility of the CM/GC. The line section
consists of Trackwork, new bridge construction, street improvements, utilities,
station construction, landscaping, and systems construction.
9.2.2
The work in this line section includes the following:
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> Track removal
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> Bridge demolition
> Bridges, new construction
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Street Modifications
> Pavement Markings
> Substation site and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signals
> Market Center Station
> Parkland Station
> In wood Station
> LRT and Station Signage
> Market Center Station Park and Ride Lot
> Parkland Station Transit Mall
> Inwood Station Park and Ride Lot
> Noise and Vibration analysis and design of appropriate mitigation items
> Artwork (TBD)
> Traction Electrification System
> Signal System
> Communication System
> Track construction
> Conduit for TVM's
> Landscaping and irrigation installation
> Vibration mitigation work above the sub-ballast
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> PA/VMB's at Victory Station
> CBD (Train to Wayside Communications)
> Wayside Equipment for Cab Signals (NW1 A)
Work items not included are:
> Utility relocation's TXU Electric, SBC, TXU Gas, and COMCAST Cable
> Track material procurement
> Procurement of bus transit signs
> Hazardous material cleanup
> Traction Power Substations
> TVM's
> Commissioned Artwork (TBD)
9.2.3
Contracting Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
9.2.4
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate Document).
9.3
ENGINEERING PLAN
9.3.1
Principal Design Considerations
9.3.1.1
General
9.3.1.2
Civil and Architectural design elements are in accordance with
DART's Design Criteria.
9.3.1.3
The design complies with all local, state and federal Jurisdictional
codes and standards, including ADA regulations.
9.3.1.4 The design and construction timeline incorporates all of the Local
Environmental
Assessment
(LEA) recommendations
for
environmental mitigations as well as the DART Board's desire to
maintain the Service Schedule.
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9.3.1.5 The design is coordinated and consistent with the following
engineering elements:
> Vehicles
> Traction Electrification
> Signals
>
Communications
> Fare Collection
> Track
> Line Section NW-1A
> Line Section NW-2
> Art and Design Program
> Betterment Amenities
9.3.1.6
9.3.1.5.1
The design provides for ease and economy of
maintenance
9.3.1.5.2
The design is cost effective.
9.3.1.5.3
The design will leave as many of the existing trees and as
much of the existing vegetation undisturbed as possible.
Alignment
The design utilizes the existing right-of-way and minimizes any
additional right-of-way purchases.
The track geometry is designed for a maximum speed of 65 mph.
9.3.1.7 Roadway
A 2,350-foot segment of the northbound lanes of Harry Mines
Boulevard will be reconstructed. This requires some pavement work.
The access ramp from southbound Harry Hines Boulevard to Oak
Lawn Avenue will be closed. This requires some pavement work.
Motor Street from Harry Hines Boulevard east to the existing railroad
crossing will be reconstructed. This requires some pavement and
drainage work.
Lucas Avenue grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
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Kendall Street grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
Motor Street grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
Maple Street grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
Butler Street grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
In wood Street grade crossing is to be rebuilt to provide a smooth and
safe ride over the track.
Lofland Street from Harry Hines Boulevard to Redfield Street will be
reconstructed to accommodate a bus transfer mall. This requires
some pavement and drainage work.
Houston Street will be modified to accommodate the LRT
construction. This requires some pavement work.
9.3.1.8
Drainage
Open-ditch drainage is used throughout, where practical.
Underdrains, storm drains, and ballast walls are used at station
platforms, road crossings and at other areas where open ditches are
not practical.
9.3.1.9
Structure
9.3.1.9.1
A new bridge is to be constructed over Turtle Creek.
9.3.1.9.2
A new bridge is to be constructed over Oak Lawn
Avenue.
9.3.1.9.3
An Aerial structure is to be constructed over the
intersection of Harry Hines Boulevard and continues to
north of In wood Road.
9.3.1.10 Stations (s)
The Market Center Station is to be completed in this work effort and is
to include all station canopy trusses and columns, the park and ride
lot, bus bays, and kiss and ride spaces. The station is to include all
conduit, piping, embedded elements, all electrical and systems
elements, and all concrete finishes.
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The Parkland Station is to be completed in this work effort and is to
include all station canopy trusses and columns, bus bays, and kiss
and ride spaces. The station is to include all conduit, piping,
embedded elements, all electrical and systems elements, and all
concrete finishes.
The Inwood Station is to be completed in this work effort and is to
include all station canopy trusses and columns, the park and ride lot,
bus bays, and kiss and ride spaces. The station is to include all
conduit, piping, embedded elements, all electrical and systems
elements, and all concrete finishes.
9.3.1.11 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
9.3.1.12 Traction Electrification
9.3.1.12.1 Substations are located at:
> Lucas Avenue
> Butler Street
9.3.1.12.2 The design includes substation access roadways. The
Overhead Contact System, including feeders will be
provided by the CM/GC.
9.3.1.13 Fare Collection
Each platform is designed for installation of ticket vending machines
and validators.
9.3.1.14 Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP Section of Track.
9.3.1.15 Signals
The wayside equipment in support of the cab signal system along with
interlockings will be provided by the CM/GC.
9.3.1.16 Communications
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Ductbanks are installed through the Maple Avenue crossing, Tunnel,
Market Center Station, Parkland Station and In wood Station. These
installations will facilitate future extension of the ductbank system
while avoiding disruption of the LRT Operations Patrons. CIC's,
manholes, cable troughs, communications houses, telephones, and
alarms are installed in on the CM/GC contract.
9.3.1.17 Landscaping
Landscaping is installed as part of the CM/GC contract.
9.3.1.18 Vibration and Noise Mitigation
The noise mitigation walls if required, the vibration pad below the
ballast, and the vibration slab will be installed by the CM/GC.
9.3.2
Design Participants
The design of this line section is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Operations, Traffic Signs, and Signals, Track Stations and Line Section NW-1A),
City of Dallas and Local Utilities.
9.3.3
Engineering and Construction Tasks
9.3.3.1
Prepare final design including design reports and calculations.
9.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
9.3.3.3
Prepare project schedule, milestones and contract unit descriptions.
9.3.3.4
Update preliminary cost estimates.
9.3.3.5
Prepare work program
9.3.3.6
Provide all surveys required to support design, right-of-way acquisition
and to monitor construction activities.
9.3.3.7
Incorporate track alignment plan, profile and typical sections.
9.3.3.8
Perform all necessary soils explorations and analyses.
9.3.3.9
Develop typical roadway sections and proposed pavement design.
9.3.3.10 Design drainage system.
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9.3.3.10.1 Revise, review and coordinate with the COD on Flood
Plain Studies for Turtle Creek, Cedar Springs Branch and
Knights Branch.
9.3.3.11 Identify impacted utilities and coordinate utilities relocation process.
9.3.3.12 Coordinate design with other engineering elements.
9.3.3.13 Design roadway crossings.
9.3.3.14 Coordinate cross-street lighting.
9.3.3.15 Prepare preliminary plans and cost estimates and conduct review.
9.3.3.16 Review Value Engineering report.
9.3.3.17 Prepare in-progress plans, specifications and cost estimates.
9.3.3.18 Prepare pre-final plans, specifications and cost estimates.
9.3.3.19 Prepare final plans, specifications and cost estimates.
9.3.3.20 Prepare final right-of-way Plats and Descriptions.
9.3.3.21 Prepare final station zoning applications.
9.3.3.22 Secure necessary approvals.
9.3.3.23 Issue request for proposal and, conduct pre-proposal conference.
9.3.3.24 Evaluate proposals, award contract and issue notice to proceed.
9.3.3.25 Review construction schedule and submittals.
9.3.3.26 Prepare inspection and testing plan.
9.3.3.27 Perform construction management services.
9.3.3.28 Monitor adherence to schedule and budget.
9.3.3.29 Process Change Orders.
9.3.3.30 Review and process progress payments.
9.3.3.31 Prepare contract status reports.
9.3.3.32 Verify record plan drawings.
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9.3.3.33 Prepare and issue notice of acceptance.
9.3.3.34 Perform contract close out and necessary documentation.
9.4
INTERFACE
9.4.1
Design
9.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope, and operating characteristics.
b) Output provided to Vehicles includes civil clearances and
track geometry.
9.4.1.2 Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment, assistance in obtaining site development permits,
and soils reports, catenary pole foundation and substation
slab design.
9.4.1.3
Signals
a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes, and conduit
requirements.
b) Output provided to Signals includes track alignment, grade
crossing locations, and intersection layouts.
9.4.1.4 Communications
a) Input required from Communications includes location of
Station PA speakers, and CCTV (future), manholes,
communication bungalows and equipment and routing of
conduits.
b) Output provided to Communication are station configuration
and elements appropriate for equipment placements
9.4.1.5
Fare Collection
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a) Input required from Fare Collection includes the number and
physical dimensions of ticket and validation machines, space
requirements and power and communication requirements.
b) Output provided to Fare Collection are station configuration
and layout, conduit size, and location of Fare Collection
Equipment.
9.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track design requirements.
9.4.1.7 Line Sections NW1-A and NW-2
a) Input required from line sections is track alignment, grading,
drainage and conduit design at contract limit area.
b) Output provided to line section is conformed plans and/or asbuilt plans if available.
9.4.1.8
City of Dallas
a) Input required from the City of Dallas involves design review
and approval of contract plans and specifications.
b) Design output provided to the City of Dallas in the form of
preliminary, in-progress, pre-final, and final plan and
specification documents for their review.
9.4.1.9
Utilities
a) Input required from various utility owners (gas, water, cable,
electric, phone, fiber optics, wastewater) regarding location of
existing and a plan and schedule for relocating conflict
facilities.
9.4.1.10 TXDOT
a) Input required from TXDOT regarding the construction of
Harry Mines Boulevard street modifications.
b) Output is provided to TXDOT in the form of preliminary, inprogress, pre-final, and final plan specification documents fro
their review.
9.4.1.11 Corrosion Control
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a) Input required from City of Dallas Traffic Department
regarding signal operations at adjacent intersections.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
9.4.1.12 Grounding - (TBD)
9.4.1.13 Traffic Signals and Signs
a) Input required from City of Dallas Traffic Department
regarding signal operations at adjacent intersections.
b) Output provided to City of Dallas Traffic Department includes
signal system and timing options.
9.4.1.14 Art and Design Program
a) Input required from Site Specific Committee.
b) Output provided for specific commission to be installed.
9.4.1.15 Street Lighting
a) Input required from City of Dallas Street Lightening
Department
b) Output provided to City of Dallas includes plans of street
requiring street lighting.
9.4.1.16 Systems Integration/Operation
a) Input required from Systems Integration regarding track
allocation and operating restriction for work on active
mainline.
b) Output provided to System Integration includes construction
staging requirements and schedule of activities on or adjacent
to active mainline.
9.4.2
Construction
9.4.2.1
Traction Electrification
Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
9.4.2.2
Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
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9.4.2.3 Track
Track materials are produced under separate contracts and supplied
to the CM/GC for installation.
9.4.2.4
Operations
The construction activities at the Line Section's contract limit north of
the In wood Station must be closely coordinated with DART's
operations.
9.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services.
9.4.2.6 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria. The utilities
relocation plans and schedules must be coordinated with the
construction schedule in order to avoid delays to either party.
9.4.2.7
Fare Collection
Provide conduit pull boxes and power requirements for the ticket
vending and validating machines.
9.4.2.8
Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
9.4.2.9 Traffic Signals and Signs
Install signals, mast arms, poles, controllers, pull boxes, conduit,
wires, detectors, and call buttons for activation at all streets where
required.
9.4.2.10 Landscaping
Landscaping is installed as part of the CM/GC contract.
9.4.3
Agency Agreements
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9.4.3.1 City of Dallas - Plan reviews, building permits, code compliance,
storm sewer connections, Design and Construction Interlocal
Agreement.
9.4.3.2 TXU Electric Co. - Utility adjustment agreements and electrical
service connections for station amenities and lighting.
9.4.3.3
SBC - Utility adjustment agreements and telephone
connections.
service
9.4.3.4 TXU Gas - Utility adjustment agreements.
9.4.3.5 Comcast Cable - Utility adjustment agreements.
9.4.3.6 Texas Commission on Environmental Quality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
9.4.3.7
Texas Department of Transportation - Coordination for the
improvements to Motor Street
9.4.3.8 MCI Worldcom - Utility adjustment agreements.
9.4.3.9
McLeod Communications - Utility adjustment agreements.
9.4.3.10 ACSI - Utility adjustment agreements.
9.4.3.11 Williams Communications - Utility adjustment agreements.
9.4.3.12 Looking Glass Network - Utility adjustment agreements.
9.4.3.13 Metromedia Fiber Network - Utility adjustment agreements.
9.4.3.14 Espire - Utility adjustment agreements.
9.4.3.15 AT&T Broadband - Utility adjustment agreements.
9.4.3.16 Magnolia Oil Company - Pipeline adjustment agreements.
9,5
CONSTRUCTION PLAN
The CM/GC is to remove all tracks and trackbed materials to natural ground,
perform all remaining demolition and site clearing. The CM/GC then performs
utility relocations, grading, drainage, ductbank, structures, paving, station platform,
station finishes, station park and ride, lighting, street construction, appropriate
noise and vibration mitigation items, traffic signals, signs, and pavement markings.
The general direction of construction is from south to north to accommodate track
construction and the welded rail storage site.
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After the trackway is completed, the CM/GC will install the LRT track and the
vibration mitigation. The CM/GC will install landscape and irrigation items and
Overhead Contact System (OCS), the Signal Systems, and Communication
Systems. (Including Wayside Equipment for Cab Signals in NW1A, VMB's at
Victory Station, and TWC and CBD)
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10.0 NORTHWEST CORRIDOR, LINE SECTIONS NW-2
Project Manager: Subhasis Banerjee
Assistant Vice President - Project Management: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Bill Stinson
Resident Construction Manager: TBD
CM/GC: TBD
10.1 OVERVIEW
The NW-2 alignment would begin at-grade from the north end of NW-1B and would
continue northwest along DART'S UPRR ROW at a distance of approximately 3.2 miles.
The alignment will cross Bomar Avenue, which will be closed, and Manor Way, which will
cross at grade. The alignment will continue along the west side of Denton Drive through a
cut-and-cover tunnel at Mockingbird Lane. The alignment will then return to grade near
Empire Central and continue north, at-grade, along the east side of the existing freight
tracks and the west curb of Denton Drive. An at-grade Brookhollow station will be
provided north of Burbank Street. The alignment will continue north and become aerial to
cross over Shorecrest Drive and past DART's Northwest Bus Operating Facility. The line
will continue over a freight spur and Webb Chapel Extension, depart to the west leaving
the UPRR ROW and descend to enter the at-grade Bachman Station, just south of
Community Drive. Bachman Station will have a pocket track to accommodate operational
requirements as to the close vicinity of the DFW junction. Line Section NW-2 will terminate
just north of Community Drive along the west side of Denton Drive, outside DART owned
ROW.
10.2 CONTRACT UNIT DESCRIPTION
10.2.1
Scope
This line section element is the responsibility of the CM/GC. The line section
consists of new bridge construction, street improvements, utilities, stations,
trackwork, landscaping, and systems construction of Line section NW-2 and its
appurtenances.
10.2.2
The work in this contract includes the following:
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> Freight Track removal and relocation
> Signal and crossing gate removal
> Clearing and grubbing
> Grading, drainage, and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining wall
> Bridge demolition
> New bridge construction
> Minor structures and retaining walls
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Substation site and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signals
> Brookhollow Station
> Bachman Station
> LRT and station signage
> Station Park and Ride lots
> Conduit for TVM's
> Traction Electrification system
> LRT Signal System
> Communications systems
> Landscaping and irrigation installation
> Track Construction
> Artwork (TBD).
Work items not included are:
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> Utility relocations by TXU ELECTRIC, TXU GAS, SBC and Comcast
Cable
> Track material procurement
> Procurement of bus transit signs
> Hazardous material cleanup
> Traction Power Substations
> TVM's
> Commissioned Artwork (TBD)
10.2.3
Contract Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
10.2.4
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
10.3 ENGINEERING PLAN
10.3.1
Principal Design Considerations
10.3.1.1 General
10.3.1.2 Civil and Architectural design elements are in accordance with the
DART Design Criteria.
10.3.1.3 The design complies with all local, state and federal jurisdictional
codes and standards, including ADA regulations.
10.3.1.4 The design and construction timeline incorporates all of the Local
Environmental Assessment recommendations for environmental
mitigations as well as the DART Board's desire to maintain the control
schedule.
10.3.1.5 The design is coordinated and consistent with the following
engineering elements:
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> Vehicles
> Traction Electrification
> Signals
> Communications
> Fare Collection
> Track
> Line Section NW-1B
> Line Section NW-3
> Art and Design Program
> At the south end, this section connects to Line Section
NW-1B.
> The north end connects to Line Section NW-3.
10.3.1.6 The design provides for ease and economy of maintenance.
10.3.1.7 The design is cost effective.
10.3.1.8 The design will leave as many of the existing trees and as much of the
existing vegetation undisturbed as possible.
10.3.1.9 Wetland mitigation.
10.3.1. lOAIignment
The track alignment follows the former MKTUP corridor for the length
of the project.
The design utilizes the existing right-of-way and minimizes any
additional right-of way purchases.
The track geometry is designed for a maximum speed of 65 mph.
10.3.1.11 Roadway
Bomar is to be closed.
Manor Way crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossings to provide a smooth and safe ride over
the track.
Empire Central crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossing to provide a smooth and safe ride over
the track.
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The track crossing at Lovedale is to be closed.
Anson Road crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossing to provide a smooth and safe ride over
the track.
The track crossing at Gilford Ave. is to be closed.
The track crossing at Langdon Ave. is to be closed.
Lovers Lane crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossing to provide a smooth and safe ride over
the track.
The track crossing at Brookfield Ave. is to be closed.
Burbank St. crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossing to provide a smooth and safe ride over
the track.
Wyman St. crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossings to provide a smooth and safe ride over
the track.
The track crossing at Oak Downs Dr. is to be closed.
Walters St. crossing the LRT and Denton Drive is to be rebuilt
adjacent to the track crossing to provide a smooth and safe ride over
the track.
The track crossing at the private drive north of Wyman St. is to be
closed.
The track crossing at Cullum Dr. is to be closed.
Community Dr. crossing the LRT and Denton Drive is to be rebuilt
adjacent to the Bachman Station and track crossing to provide a
smooth and safe ride over the track.
A new access road to Bachman Station is to be built
10.3.1.12Drainage
Open-ditch drainage is used throughout, where practical.
Underdrains, ballast and cast in place concrete walls are used at
station platforms, road crossings and at other areas where open
ditches are not practical.
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10.3.1.13 Structures
An open cut tunnel will be constructed under Mockingbird Lane from
Manor Way to south of Empire Central Dr.
A new aerial structure (approximately 3,730 ft.) is to be constructed
over the Flood Plain north of the Brookhollow Station to south of the
Bachman Station. AASHTO Type IV Beam design is selected as the
most cost effective. The bridge has spans of 85 or 90 ft length.
10.3.1.14 Station®
The Brookhollow Station is to be completed in this work effort and is
to include all station canopy trusses and columns, bus bays, and kiss
and ride spaces. The station is to include a conduit; piping and
embedded elements, all electrical and systems elements and all
concrete and finish.
The Bachman Station is to be completed in this work effort and is to
include all station canopy trusses and columns, the park and ride lots
and bus bays, and kiss and ride spaces. The station is to include
conduit, piping and embedded elements, all electrical and systems
elements and all concrete and finishes
10.3.1.15 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
10.3.1.16Traction Electrification
10.3.1.16.1 Substations are located near:
> Empire Central Drive
> Wyman Street
10.3.1.16.2 The Overhead Contact System, including feeders will be
provided by the CM/GC.
10.3.1.17 Fare Collection
Each station platform provides for installation of ticket vending
machines and validators.
10.3.1.18Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP Section on Track.
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10.3.1.19Signals
Manor Way, Empire Central Dr., Lovers Lane, Burbank St., Wyman
St., Walters Lane, the station access crossing south of the Bachman
Station, and Community Dr. crossings are gated and require
provisions in the design for installation of this equipment. The
wayside equipment in support of the cab signal system along with
interlockings will be provided by the CM/GC.
10.3.1.20 Communications
Ductbanks are installed as required. This initial installation will
facilitate future extension of the ductbank system while avoiding
disruption of the LRT Operations and patrons. CIC's, manholes,
cable troughs, communications houses, telephones, and alarms are
installed in on the CM/GC contract.
10.3.1.21 Landscaping
Landscaping is installed as part of the CM/GC contract.
10.3.1.22 Vibration and Noise Mitigation
The noise mitigation walls if required, the vibration pad below the
ballast, and the vibration slab will be installed by the CM/GC.
10.3.2
Design Participants
The design of this line section is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Traffic, Signs and Signals, Track, Stations, Line Sections NW-1 and NW-3), City of
Dallas, Army Corps of Engineers and local Utilities.
10.3.3
Engineering and Construction Tasks
10.3.3.1 Prepare final design, including design reports and calculations.
10.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
10.3.3.3 Prepare project schedule, milestones and contract unit descriptions.
10.3.3.4 Update preliminary cost estimates.
10.3.3.5 Prepare work program.
10.3.3.6 Provide all surveys required to support design, right-of-way acquisition
and construction activities.
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10.3.3.7 Coordination, investigation and cleanup of hazardous materials.
10.3.3.8 Incorporate track alignment plan, profile and typical sections.
10.3.3.9 Perform all necessary soils explorations and analyses.
10.3.3.10Develop typical roadway sections and proposed pavement design.
10.3.3.11 Design drainage system.
10.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
10.3.3.13 Coordinate design with other engineering elements.
10.3.3.14 Design roadway crossings.
10.3.3.15 Prepare preliminary plans and cost estimates and conduct review.
10.3.3.16 Review Value Engineering report.
10.3.3.17 Prepare in-progress plans, specifications and cost estimates.
10.3.3.18 Prepare pre-final plans, specifications and cost estimates.
10.3.3.19 Prepare final plans, specifications and cost estimates.
10.3.3.20 Prepare final right-of-way plats and descriptions.
10.3.3.21 Prepare final station zoning applications.
10.3.3.22 Secure necessary approvals.
10.3.3.23 Issue request for proposal and conduct pre-proposal conference.
10.3.3.24Evaluate proposals, award contract and issue notice to proceed.
10.3.3.25 Review construction schedule and submittals.
10.3.3.26Prepare inspection and testing plan.
10.3.3.27 Perform construction management services.
10.3.3.28 Monitor adherence to schedule and budget.
10.3.3.29 Process change orders.
10.3.3.30 Review and process progress payments.
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10.3.3.31 Prepare contract status reports.
10.3.3.32 Prepare construction contract punch list.
10.3.3.33 Prepare final inspection report.
10.3.3.34 Verify "as-built" drawings.
10.3.3.35 Prepare and issue notice of acceptance.
10.3.3.36Perform contract close out and necessary documentation.
10.3.3.37Coordinate design with operations at the Inwood station.
10.4
INTERFACE
10.4.1
Design
10.4.1.1
Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles are civil clearances and track
geometry.
10.4.1.2
Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design, 65% TES
design for CM/GC package.
b) Output provide to Traction Electrification includes track
alignment, assistance in obtaining site development permits,
and soils reports for catenary pole foundation and substation
slab design.
10.4.1.3
Signals
a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes and conduit
requirements, 65% signal design for CM/GC package.
b) Output provided to Signals includes track alignment, grade
crossing locations and intersection layouts.
10.4.1.4 Communications
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a) Input required from Communications includes location of
Station PA speakers and CCTV (future), manholes,
communications bungalows and equipment and routing of
conduits, 65% communications for CM/GC package.
b) Output provided to Communications are station configuration
and elements appropriate for equipment placement.
10.4.1.5 Fare Collection
a) Input required from Fare Collection includes physical
dimensions of ticket vending and validation machines, space
requirements and power and communication requirements.
b) Output required from Fare Collection are station configuration
and layout, conduit size and location of Fare Collection
Equipment.
10.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track is roadway design requirements.
10.4.1.7 Line Sections NW-1B and NW-3
a) Input required from Line sections are track alignment,
grading, drainage and conduit design at contract limit area.
b) Output provided to line sections are conformed plans and/or
as-built plans if available.
10.4.1.8 City of Dallas
a) Input required from the City of Dallas involves design review
and approval of contract plans and specifications.
b) Design output is provided to the City of Dallas in the form of
preliminary, in-progress, pre-final and final plan and
specification documents for their review.
10.4.1.9 Utilities
a) Input required from various utility owners (gas, water, cable,
electrical, phone, sewer) regarding location of existing
facilities and a plan and schedule for relocating conflicting
facilities.
b) Output provided to the utility owners includes plan and profile
design, identification of utilities requiring relocation and a
proposed construction schedule.
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10.4.1 .lOTexas Department of Transportation
a) Input required from TXDOT regarding the construction of a
new LRT track at TXDOT highways.
b) Output is provided to TXDOT in the form of preliminary, inprogress, pre-final and final plans and specification
documents for their review.
10.4.1.11 Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
10.4.1.12Dallas, Garland and Northeastern Railroad Company (DGNO).
DGNO will be relocated so as to not interfere with construction of NW2 line section.
a) Input required from DGNO Railroad is their operation
schedule and procedures, as well as any constraints
impacting DARTs construction of the LRT.
b) Output is provided to DGNO in the form of preliminary, inprogress, pre-final and final plan and specification documents
for their review.
10.4.1.13 Grounding (TBD)
10.4.1.14Traffic Signals and Signs
a) Input required from City of Dallas Traffic Department
regarding signals at adjacent intersections
b) Output provided to City of Dallas Traffic Departments includes
signal system and timing options.
10.4.1.15Art and Design Program
a) Input required from Site Specific Committee.
b) Output provided for specific commission to be installed.
10.4.1.16Street Lighting
a) Input required from City of Dallas Street Lighting Department
b) Output provided to City of Dallas includes plans of street
requiring street lighting
10.4.1.17Systems Integration/Operation
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a) Input required from Systems Integration regarding track
allocation and operating restriction for work on active
mainline.
b) Output provided to System Integration includes construction
staging requirements and schedule of activities on or adjacent
to active mainline.
10.4.2
Construction
10.4.2.1 Traction Electrification
Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
10.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
10.4.2.3 Track
Track materials are produced under separate contracts and supplied
to the Contractor for installation
10.4.2.4 Operations
The construction activities at the Line Section contract limit north of
Inwood Station must be closely coordinated with DART's operations.
10.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services.
10.4.2.6 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria. The utilities
relocation plans and schedules must be coordinated with the
construction schedule in order to avoid delays to either party.
10.4.2.7 Fare Collection
Install conduit pull boxes and power requirements for ticket vending
and validating machines.
10.4.2.8 Communications
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Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
10.4.2.9 Traffic Signals and Signs
Install signals, mast arms, poles, controllers, pull boxes, conduit,
wires, detectors and call buttons for activation at all side streets were
required.
10.4.2.10Landscaping
Landscaping is installed as part of the CM/GC contract.
10.4.3
Agency Agreements
10.4.3.1 City of Dallas -Plan reviews, building permits, code compliance, storm
sewer connections, and design and construction interlocal
agreements.
10.4.3.2 TXU Electric Co.- Utility adjustments agreements and electrical
service connections for station amenities and lighting.
10.4.3.3 SBC- Utility adjustment agreements and telephone
connections.
service
10.4.3.4 TXU Gas - Utility adjustment agreements.
10.4.3.5 Comcast Cable - Utility adjustment agreements.
10.4.3.6 TXDOT - Design and Construction Agreement
10.4.3.7 Texas Commission on Environmental Equality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
10.4.3.8 Army Corps of Engineers (ACOE) - Wetland mitigation plan review
and verification of mitigation efforts.
10.4.3.9 City of Dallas Fire Department
10.5
CONSTRUCTION PLAN
The Contractor is to remove all tracks and track bed materials to natural ground, perform
all remaining demolition and site clearing. The Contractor then performs utility relocations,
grading, drainage, ductbank, structures, paving, station platform, station finishes, station
park and ride lot, street construction, traffic signals, signs and pavement markings. The
general direction of construction is from south to north to accommodate track construction
and the welded rail storage site to be determined north of Brookhollow Station.
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After the trackway is completed the Contractor will install the LRT track Overhead Contact
System (OCS), Signal System, Communications System, and Fare Collection.
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11.0 NORTHWEST CORRIDOR, LINE SECTIONS NW-3
Project Manager: Craig King
Assistant Vice President - Facilities Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Bill Stinson
Construction Manager: TBD
CM/GC: TBD
11.1 OVERVIEW
Line Section NW-3 would begin on the west side of Denton Drive, just north of Community
Drive, west of the Dart UPRR ROW at a distance of approximately 4.9 miles. The
alignment would pass an at-grade junction with the future Irving/DFW LRT Line. As the
alignment continues north, it would curve to the east back onto the DART UPRR ROW on
the east side of Denton Drive. The aerial line would continue north along the DART ROW
until approaching the Northwest Rail Operating Facility (NWROF) north of Lombardy. At
the approach to and departure from the NWROF, the alignment would move to the east,
partially outside of the existing ROW. After passing the NWROF, the alignment on aerial
structure would cross over several additional minor streets and Walnut Hill Lane. At the
approach to the aerial Walnut Hill Station north of Walnut Hill Lane, the alignment would
move to the west side of the existing ROW. The line would continue north on an aerial
structure after curving back to the center of the existing ROW and pass over four minor
streets and Royal Lane. After passing the Royal Lane Station, the line would continue
north on an aerial structure along existing ROW. North of Northaven Road, the alignment
would descend to grade and remain within existing ROW across the proposed service
roads of LBJ Freeway, Villa Creek Drive, and Farmers Branch Lane, before entering the
Farmers Branch Station south of Valley View Lane. The alignment then crosses Valley
View Lane at grade. The line section terminates about 400 feet north of Valley View Lane.
11.2 CONTRACT UNIT DESCRIPTION
11.2.1
Scope
This line section element is the responsibility of the CM/GC. The contract line
section consists of new bridge construction, street improvements, utilities, stations,
trackwork, landscaping, and systems construction of Line section NW-3 and its
appurtenances.
11.2.2
The work for this contract includes the following:
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> Freight track removal and relocation
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> New bridge construction
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Substation site and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signals
> Aerial station at Walnut Hill Lane
> Walnut Hill Park and Ride lot
> Aerial station at Royal Lane
> Royal Lane Park and Ride lot
> At-grade station at Farmers Branch
> Farmers Branch Park and Ride lot
> Below grade foundation demolition
> LRT and station signage
> Traffic signs in the cities of Dallas and Farmers Branch
> Artwork (TBD)
> Traction Electrification Systems
> Signals system
> Communication System
> Landscaping and irrigation installation
> Track Construction
> Vibration mitigation not above the sub-ballast
> Conduit for TVM's
> Noise and Vibration analysis and design of appropriate mitigation items
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Work items not included are:
> Utility relocations by TXU Electric, SBC, TXU GAS, Comcast Cable, GL&P
and AT&T
> Track material procurement
> Procurement of traffic signs (City of Dallas)
> Hazardous material clean up
> Commissioned Artwork (TBD)
> Traction Power Substations
> TVM's
11.2.3
Contract Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
11.2.4
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
11.3 ENGINEERING PLAN
11.3.1
Principal Design Considerations
11.3.1.1 General
11.3.1.2 Civil and Architectural design elements are in accordance with
DART's Design Criteria
11.3.1.3 The design complies with all local, state, and federal jurisdictional
codes and standards, including ADA regulations.
11.3.1.4 The design and construction timeline incorporates all of the design is
coordinated and consistent with the following engineering elements:
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> Vehicles
> Traction Electrification
> Signals
> Communications
> Fare Collection
> Traffic Signals and Signs
> Track
> Line Section NW-2
> Line Section NW-4
> Line Section 1-1
> Northwest Rail Operating Facility
> Art and Design Program
> Betterment Amenities
11.3.1.5 The design provides for ease and economy of maintenance.
The design is cost effective.
The design will leave as many of the existing trees and as much of the
existing vegetation undisturbed as possible.
11.3.1.6 Alignment
The track alignment follows the former UP corridor for the length of
the Project. It is within the existing right of way the entire length
except to the track south of the crossing of Denton Drive at Story
Road.
The design utilizes the existing right-of-way and minimizes any
additional right-of-way purchases.
The track geometry is designed for a maximum speed of 65 mph.
11.3.1.7 Roadway
Denton Drive between Northwest Highway and Nagle St. is to be
rebuilt to its ultimate cross-section adjacent to the track crossing to
accommodate the LRT elevated structure crossing.
The existing freight track crossing at Lombardy Lane is to be rebuilt.
The relocated freight track crossing at Century Street is to be rebuilt.
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The relocated freight track crossing at the private driveway between
Century Street and Blystone Lane is to be rebuilt.
The relocated freight track crossing at Blystone Lane to be rebuilt
The relocated freight track crossing at Reward Lane is to be rebuilt.
The relocated freight track crossing at Anode Lane is to be rebuilt.
The relocated freight track crossing at Congressman Lane is to be
rebuilt.
Walnut Hill Lane crossing the freight track and Denton Drive adjacent
to the track crossing is to be rebuilt to provide a smooth and safe ride
over the tracks.
Merrill Road at the removed freight track crossing will be rebuilt.
Virgo Lane at the removed freight track crossing will be rebuilt.
Dairy Milk Lane at the removed freight track crossing will be rebuilt.
Royal Lane at the removed freight track crossing will be rebuilt.
Zelrich Lane at the removed freight track will be rebuilt.
Rodney Lane at the removed freight track crossing will be rebuilt.
Indian Trail at the removed freight track crossing will be rebuilt.
Northaven Road at the removed freight track crossing will be rebuilt.
The LBJ Freeway eastbound frontage road crossing the LRT track is
to be rebuilt to provide a smooth and safe ride over the tracks.
The LBJ Freeway westbound frontage road crossing the LRT is to be
rebuilt to provide a smooth and safe ride over the tracks.
Villa Creek Drive crossing the LRT track and Denton Drive adjacent to
the track crossing is to be rebuilt to provide a smooth and safe ride
over the tracks.
Private Drive South of Villa Creed Drive is to be closed
Private Drive North of Villa Creed Drive is to be closed
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Farmers Branch Lane crossing the LRT track and Denton Drive
adjacent to the track crossing is to be rebuilt to provide a smooth and
safe ride over the tracks.
The track crossing at Sable Street is to be closed.
Buttonwood Drive at the Farmers Branch station is to be constructed
to provide access to the station.
Pike Street at the Farmers Branch station is to be constructed to
provide access to the station.
Valley View Lane crossing the LRT track is to be rebuilt to provide a
smooth and safe ride over the tracks.
11.3.1.8 Drainage
Open-ditch drainage is used where practical. Underdrains and ballast
walls are used at station platforms, road crossings and at other areas
where open ditches are not practical.
11.3.1.9 Structures
A new bridge is to be constructed over Denton Drive north of
Northwest Highway.
A new bridge is to be constructed over fifteen cross streets between
Lombardy Lane and Forest Lane.
TXDOT new multiple box culvert is to be constructed south of LBJ
eastbound frontage road.
A new multiple box culvert is to be constructed south of LBJ
westbound frontage road.
A new bride is to be constructed over Rawhide Creek.
11.3.1.10 Stations
The Walnut Hill Lane Station is to be completed in this work effort and
is to include all station canopy trusses and columns, the park and ride
lots and bus bays, kiss and ride spaces and all parking spaces. The
station is to include conduit, piping and embedded elements, all
electrical and systems elements and all concrete and finishes.
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The Royal Lane Station is to be completed in this work effort and is to
include all station canopy trusses and columns, the park and ride lots
and bus bays, and kiss and ride spaces. The station is to include
conduit, piping and embedded elements, all electrical and systems
elements and all concrete and finishes.
The Farmers Branch Station is to be completed in this work effort and
is to include all station canopy trusses and columns, the park and ride
lots and bus bays, and kiss and ride spaces. The station is to include
conduit, piping and embedded elements, all electrical and systems
elements and all concrete and finishes.
11.3.1.11 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
11.3.1.12Traction Electrification
11.3.1.12.1 Substations are located near:
>
>
>
>
Irving Junction
Anode Lane
Leo Lane
Villa Creek Drive
11.3.1.12.2 The Overhead Contact System, including feeders will be
provided by the CM/GC.
11.3.1.13Fare Collection
Each station platform provides for installation of ticket vending
machines and validators.
11.3.1.14Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP Section, Track.
11.3.1.15Signals
The eastbound and westbound frontage roads of LBJ Freeway, Villa
Creek Drive, Farmers Branch Lane Buttonwood Drive extension, Pike
Street, extension, and Valley View Lane crossings are gated and
require provisions for installation of this equipment. The wayside
equipment in support of the cab signal system along with interlockings
will be provided by the CM/GC.
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11.3.1.16 Communications
Ductbanks are installed as required to facilitate future extension of the
ductbank system while avoiding disruption of the LRT Operations and
patrons.
CIC, manholes, troughs, communication houses,
telephones, and alarms are also installed in the CM/GC contract.
11.3.1.17 Landscaping
Landscaping is installed as part of the CM/GC contract.
11.3.1.18 Vibrations and Noise Mitigation
The noise mitigation walls if required, the vibration pad below the
ballast, and the vibration slab will be installed by the CM/GC.
11.3.1.19 Design Participants
The design of this line section is performed by the GEC under the
technical supervision of DART'S Project Manager. Input is derived
from other engineering elements (including Vehicles, Traction
Electrification, Signals, Communications, Traffic Signs and Signals,
Track, Stations and Line Section NW-3), TXDOT, City of Dallas, City
of Farmers Branch and local utilities.
11.3.2
Engineering and Construction Task
11.3.2.1 Prepare final design including design report and calculations.
11.3.2.2 Prepare project schedule, milestones and contract unit descriptions.
11.3.2.3 Update preliminary cost estimates.
11.3.2.4 Prepare work program.
11.3.2.5 Provide all surveys required to support design, right-of-way
acquisition, and construction activities.
11.3.2.6 Coordination, investigation and clean up of hazardous materials.
11.3.2.7 Incorporate track alignment plan, profile, and typical sections.
11.3.2.8 Perform all necessary soils explorations and analyses.
11.3.2.9 Develop typical roadway sections and proposed pavement design.
11.3.2.10 Design drainage system.
11.3.2.111dentify impacted utilities and coordinate utilities relocation process.
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11.3.2.12 Coordinate design with other engineering elements.
11.3.2.13 Design roadway crossings.
11.3.2.14 Prepare preliminary plans and cost estimates and conduct review.
11.3.2.15 Review Value Engineering report.
11.3.2.16Prepare in-progress plans, specifications and cost estimates.
11.3.2.17 Prepare pre-final plans, specifications, and cost estimates.
11.3.2.18 Prepare final plans, specifications and cost estimates.
11.3.2.19Prepare final right-of-way Plats and Descriptions.
11.3.2.20 Secure necessary approvals.
11.3.2.21 Issue request for proposal and conduct pre-proposal conference.
11.3.2.22Evaluate proposals, award contract and issue notice to proceed.
11.3.2.23Review construction schedule and submittals.
11.3.2.24Prepare inspection and testing plan.
11.3.2.25 Perform construction management services.
11.3.2.26Monitor adherence to schedule and budget.
11.3.2.27 Process change orders.
11.3.2.28 Review and process progress payments.
11.3.2.29 Prepare contract status reports.
11.3.2.30Coordinate with follow-on systems and track installation.
11.3.2.31 Prepare construction contract punch list.
11.3.2.32 Prepare final inspection report.
11.3.2.33 Verify "as-built" drawings.
11.3.2.34 Prepare and issue notice of acceptance.
11.3.2.35Perform contract close out and necessary documentation.
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11.3.2.36 Coordinate cross-street lighting designed by the City of Dallas and the
City of Farmers Branch.
11.4
INTERFACE
11.4.1
Design
11.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles includes civil clearances and
track geometry.
11.4.1.2 Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design, 65% of TES
design for CM/GC package.
b) Output provided to Traction Electrification includes track
alignment and soils reports for catenary pole foundation and
substation slab design.
11.4.1.3 Signals
a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes and conduit
requirements, 65% of signal design for CM/GC package.
b) Output provided to Signals includes track alignment, grade
crossing locations and intersection layouts.
11.4.1.4 Communications
a) Input required from Communications includes location of
Station PA speakers and CCTV (future), wayside emergency
telephones, manholes, communication bungalows and
equipment and routing of conduits, 65% of communication
design for the CM/GC package.
b) Output provided to Communications are station configuration
and elements appropriate for equipment placement.
11.4.1.5 Fare Collection
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a) Input required from Fare Collection includes number of
machines, physical dimensions of ticket vending and
validation machines, space requirements, and electrical
power and communication requirements.
b) Output required from Fare Collection are station configuration
and layout, conduit size and location of Fare Collection
Equipment.
11.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track includes roadway design
requirements.
11.4.1.7 Line Section NW-2
a) Input required from Line Section NW-2 is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section NW-2 is conformed plans
and/or as-built plans if available.
11.4.1.8 Line Section NW-4
a) Input required from Line Section NW-4 is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section NW-4 is conformed plans
and/or as-built plans if available.
11.4.1.9 Line Section 1-1
a) Input required from Line Section 1-1 is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section 1-1 is conformed plans and/or
as-built plans if available.
11.4.1.10 Line Section NWROF
a) Input required from Line Section NWROF is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section NWROF is conformed plans
and/or as-built plans if available.
11.4.1.11 City of Dallas and City of Farmers Branch
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a) Input required from the City of Dallas and the City of Farmers
Branch involves design review and approval of contract plans
and specifications.
b) Design output provided to the City of Dallas and the City of
Farmers Branch in the form of preliminary, in-progress, prefinal and final plan and specification documents for their
review.
11.4.1.^Utilities
a) Input required from various utility owners (gas, water, cable,
electrical, phone, sewer) regarding location of existing
facilities and a plan and schedule for relocating conflicting
facilities.
b) Output provided to the utility owners includes plan and profile
design, identification of utilities requiring relocation, and a
proposed construction schedule.
11.4.1.13TXDOT
a) Input required from TXDOT is their construction plans and
schedule for DART review of facilities crossing or adjacent to
DART Rail Line. Also required is their design review and
approval of construction documents.
b) Output is provided to TXDOT in the form of preliminary, inprogress, pre-final and final plan and specification documents
for their review.
11.4.1.14DGNO Railroad
a) Input required from DGNO Railroad is their operation
schedule and procedures, as well as any constraints
impacting DARTs construction of the LRT.
b) Output is provided to DGNO in the form of preliminary, inprogress, pre-final and final plan and specification documents
for their review.
11.4.1.15Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
11.4.1.16Traffic
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a) Input required from the City of Dallas and City of Farmers
Branch Traffic Departments regarding signal operations at
adjacent intersections.
b) Output provided to the City of Dallas and City of Farmers
Branch Traffic Departments includes signal system and timing
options.
11.4.1.17 Street Lighting City of Dallas
a) Input required from the City of Dallas street lighting
department.
b) Output provided to the City of Dallas includes plans of street
requiring street lighting.
11.4.1.18Street Lighting City of Farmers Branch
a) Input required from the City of Farmers Branch street lighting
department.
b) Output provided to the City of Farmers Branch includes plans
of street requiring street lighting.
11.4.2
Construction
11.4.2.1 Traction Electrification
Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
11.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
11.4.2.3 Track
Track materials are procured under separate contracts and supplied
to the CM/GC for installation.
11.4.2.4 City of Dallas and City of Farmers Branch
The City of Dallas and City of Farmers Branch are kept apprised of
construction progress in order to provide any required inspection
services.
11.4.2.5 Utilities
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All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria. The utilities
relocation plans and schedules must be coordinated with the
construction schedule in order to avoid delays to either party.
11.4.2.6 Fare Collection
Provide conduit pull boxes and power requirements for ticket vending
and validating machines.
11.4.2.7 Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
11.4.2.8 Traffic Signals and Signs
Install signals, mast arms, poles, controllers, pull boxes, conduit wires,
detectors and call buttons for activation at all side streets where
required.
11.4.3
Agency Agreements
11.4.3.1 City of Dallas - Plan reviews, building permits, code compliance,
storm sewer connections and design and construction interlocal
agreement.
11.4.3.2 City of Farmers Branch - Plan reviews, building permits, code
compliance, storm sewer connections, and Design and Construction
Interlocal Agreement.
11.4.3.3 TXU Electric Co. - Utility adjustment agreements and electrical service
connections for station amenities and lighting.
11.4.3.4 SBC - Utility adjustment agreements and telephone service
connections.
11.4.3.5 TXU Gas - Utility adjustment agreements.
11.4.3.6 Comcast Cable - Utility adjustment agreements.
11.4.3.7 Texas Commission on Environmental Quality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
11.5
CONSTRUCTION PLAN
The CM/GC is to remove all tracks and trackbed materials to natural ground,
perform all remaining demolition and site clearing. The CM/GC then performs
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utility relocations, grading, drainage, structures, ductbank, paving, station platform,
station finishes, station park and ride lot, street construction, appropriate noise and
vibration mitigation items, traffic signals, signs and pavement markings. The
general direction of construction is from south to north to accommodate track
construction and welded rail storage site.
After the trackway is completed, the CM/GC will install the LRT track, and the
vibration mitigation mat. The CM/GC will install irrigation items and Overhead
Contact System (OCS), Signal System, and Communications System.
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12.0 NORTHWEST CORRIDOR, LINE SECTIONS NW-4
Project Manager: George Avalos
Assistant Vice President - Project Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Bill Stinson
Construction Manager: TBD
TRD
12.1 OVERVIEW
Line Section NW-4 would begin at the end of NW-3, at-grade. The alignment continues
north within DART UPRR ROW. The alignment would begin north of Valley View Lane
and continue to cross Valwood Parkway at grade, continuing to just south of Crosby Road
where it would become aerial to cross Crosby Road and the major Belt Line Road / BNSF
RR / Cotton Belt RR crossing. An aerial station, Carrollton Square, would be provided just
north of Belt Line Road. The alignment would stay aerial to the north, passing over Old
Denton Road and, the return to grade and cross Whitlock Road. The alignment would be
grade-separated at Jackson Road, and cross Ismaili Center Circle at grade. The Trinity
Mills Station would be located at grade just south of SH 190 (President George Bush
Turnpike). The Trinity Mills Station would replace the existing North Carrollton Transit
Center, which would be closed when the LRT project is opened for service. The line would
cross the SH 190 eastbound and westbound service roads at-grade (under the mainlines),
and continue north at grade to the last station just south of Frankford Road.
The proposed top of rail for NW-4 was designed to match the grade of the existing freight
tracks thereby minimizing required street modifications at grade crossings and to minimize
fill requirements. Since the proposed double track roadbed would be wider than the
existing single-track roadbed, the top of rail profile would be placed so that the ditches
would fit within the existing right-of-way, when possible. The profile was designed to
minimize bridge pier heights and approach retaining wall heights for aerial structures.
Throughout all flood plain areas the top-of-rail profile was placed so that the bottom of
ballast material would be 1-ft above the 100-year flood elevation.
12.2 CONTRACT UNIT DESCRIPTION
12.2.1
Scope
This line section element is the responsibility of the CM/GC. The contract line
section consists of new bridge construction, street improvements, utilities, stations
and systems construction of Line section NW-4 and its appurtenances.
12.2.2
The work for this contract includes the following:
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> Freight track removal and relocation
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> Rehabilitation of existing bridges
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Substation sites and catenary pole foundations
> Signal case and signal house site work
> Aerial Station at Carrollton Square
> At-grade stations at Trinity Mills and Frankford Road
> Installation of traffic regulatory sign and traffic signals
> Building demolition
> Park and Ride lots at Stations
> Conduits for TVM's
> Traction Electrification system
> Signals System
> Communications Systems
> Track Construction
> Artwork (TBD)
Work Items not included are:
> Utility relocations by TXU ELECTRIC, SBC, TXU Gas, TIC Cable and
AT&T
> Track material procurement
> Procurement of bus transit signs
> Hazardous material clean up
> Traction Power Substations
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> TVM's
> Artwork (TBD)
12.2.3
Contracting Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
12.2.4
Contract Cost
The contract cost associated with this element is contained within the DART
Project Budget Book (a separate document).
12.3 ENGINEERING PLAN
12.3.1
Principal Design Considerations
12.3.1.1 Civil and Architectural design elements are in accordance with the
DART's Design Criteria.
12.3.1.2 The design complies with all local, state and federal jurisdictional
codes and standards including ADA regulations.
12.3.1.3 The design and construction timeline incorporates all of the Final
Environmental Impact Statement (FEIS) recommendations for
environmental mitigations as well as DART Board's desire to maintain
the control schedule.
12.3.1.4 The design is coordinated and consistent with the following
engineering elements:
> Vehicles
> Traction Electrification
> Signals
> Communications
> Fare Collection
> Track
> Line Section NW-3
> Art and Design Program
12.3.1.5 The design provides for ease and economy of maintenance.
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12.3.1.6 The design is cost effective.
12.3.1.7 The design will leave as many of the existing trees and as much of the
existing vegetation undisturbed as possible.
12.3.1.8 Alignment
The track alignment follows the former UP corridor from north of
Valley View Lane to Frankford Road.
The design utilizes the existing right-of-way and minimizes additional
right-of-way purchases.
The track geometry is designed for a maximum speed of 65 mph.
12.3.1.9 Roadway
12.3.1.9.1 The Hazelhurst Avenue crossing will be closed.
12.3.1.9.2 The Fruitland Avenue crossing will be closed.
12.3.1.9.3 The Richland Avenue crossing will be closed.
12.3.1.9.4 McClintock Street will be rebuilt and extended to Squire
Place to provide access across the LRT tracks to and
from the closed streets.
12.3.1.9.5 Squire Place crossing the LRT tracks and Denton Dr.
adjacent to the LRT tracks will be rebuilt to provide a
smooth and safe ride over the tracks
12.3.1.9.6 The private access drive south of Distribution Way will be
closed and an alternate access drive off of Distribution
Way will be provided.
12.3.1.9.7 The Valwood Parkway Crossing will be rebuilt to provide
a smooth and safe ride over the tracks.
12.3.1.9.8 The Spring Valley Road crossing will be closed and a
new access street built off of Valwood Parkway will be
built to provide access to properties on that street east of
the LRT tracks.
12.3.1.9.9 The private crossing north of Spring Valley Lane will be
rebuilt to provide a smooth and safe ride over the tracks.
12.3.1.9.10 The Burning Tree Lane, Randolph Street, and private
drive north of Randolph Street, crossing and South
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Broadway Street adjacent to the LRT tracks will be rebuilt
to provide a smooth and safe ride over the tracks.
12.3.1.9.11 Randolph Street, and South Broadway Street Adjacent to
the LRT tracks will be rebuilt to provide a smooth and
safe ride over the tracks.
12.3.1.9.12 Driveway F north of Randolph Street, and South
Broadway Street adjacent to the LRT tracks will be rebuilt
to provide a smooth and safe ride over the tracks.
12.3.1.9.13 Private Drive South of Driveway F will be removed.
12.3.1.9.14 The Crosby Road crossing at the removed and relocated
freight tracks will be rebuilt.
12.3.1.9.15 The Fourth Avenue crossing at the removed and
relocated freight tracks will be rebuilt.
12.3.1.9.16 The Third Avenue crossing at the removed and relocated
freight tracks will be rebuilt.
12.3.1.9.17 Carroll Street between South Main Street and Third
Street will be closed.
12.3.1.9.18 Denton Drive between Third Street and Belt Line Road
will be closed.
12.3.1.9.19 Belt Line Road will be widened to increase traffic access
capacity to the Carrollton Square Station.
12.3.1.9.20 The existing North Broadway crossing of the Cottonbelt
RR tracks will be rebuilt to provide a smooth and safe
crossing.
12.3.1.9.21 North Main Street will be widened and connected to
Denton Drive north of Belt Line to provide access to the
Carrollton Square Station.
12.3.1.9.22 Donald Avenue will be rebuilt to provide a smooth and
safe crossing.
12.3.1.9.23 Westway Circle will be rebuilt to provide a smooth and
safe crossing.
12.3.1.9.24 Whitlock Lane will be rebuilt to provide a smooth and safe
crossing.
12.3.1.9.25 Denton Drive will be closed between Belt Line Road and
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the Cottonbelt fright tracks to accommodate the
Carrollton Square Station.
12.3.1.9.26 Northside Drive crossing the LRT tracks and N.
Broadway Street adjacent to the LRT tracks will be rebuilt
to provide a smooth and safe ride over the tracks.
12.3.1.9.27 The existing Old Denton Road crossing of the relocated
freight tracks will be rebuilt to provide a smooth and safe
crossing.
12.3.1.9.28 The existing Jackson Road crossing of the relocated
freight tracks will be rebuilt to provide a smooth and safe
crossing.
12.3.1.9.29 Ismali Circle crossing the LRT tracks and N Broadway
Street adjacent to the LRT tracks will be rebuilt to provide
a smooth and safe ride over the tracks.
12.3.1.9.30 The private access drive south of (PGBT) will be closed.
12.3.1.9.31 The President George Bush Turnpike (PGBT) eastbound
frontage road crossing the LRT track will be rebuilt to
provide a smooth and safe ride over the tracks.
12.3.1.9.32 The Frankford Road crossing at the removed and
relocated freight tracks will be rebuilt.
12.3.1.10 Drainage
Open ditch drainage is used throughout, where practical. Underdrains
and ballast wall are used at station platforms, road crossings, and at
other areas where open ditches are not practical.
12.3.1.11 Structures
12.3.1.11.1 A drainage structure will be built over Cooks Branch
12.3.1.11.2 An aerial structure will be built from south of Crosby Road
to north of Whitlock Lane.
12.3.1.11.3 An aerial structure over Jackson Road will be built.
12.3.1.11.4 A drainage structure will be built over Furneaux Creek.
12.3.1.11.5 An aerial structure will be built over the freight spur
serving Dallas Water Treatment Plant.
12.3.1.12Station (s)
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Stations will be located north of Belt Line Road (Carrollton Square),
south of PGBT (Trinity Mills), and south of Frankford Road. The
Trinity Mills and Frankford Road Stations are prototypical at-grade
stations. A prototypical has been developed for the Carrollton Square
aerial station. Station platforms including all conduit piping, and
embedded elements therein are constructed in this line section
contract.
Station canopies and all other design elements are installed as a part
of this contract. Station finish-out, park and ride lots, and kiss and
ride spaces are also included in this contract.
12.3.1.13 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
12.3.1.14 Traction Electrification
12.3.1.14.1 Substations are located near:
>
>
>
>
>
Squire Place
Crosby Road
Westway Circle
Ismali Center Circle
Frankford Road
12.3.1.14.2 The Overhead Contact System, including feeders will be
provided by the CM/GC.
12.3.1.15 Fare Collection
Each aerial station concourse and at-grade station platform provides
for installation of ticket vending machines and validators.
12.3.1.16Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP Section, Track.
12.3.1.I/Signals
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Squire Place, Distribution Way, Valwood Parkway, the private drive
north of Spring Valley, Burning Tree Lane, Randolph Street, the
private drive north of Randolph Street, Crosby Road, Fourth Avenue,
Third Avenue, Belt Line Road, Westway Circle, Old Denton Drive,
Jackson Road, Ismali Circle, the east and westbound frontage roads
of PGBT, and Frankford Road crossing will be gated and require
provisions for installation of this equipment. The wayside equipment in
support of the cab signal system along with interlockings will be
provided by the CM/GC.
12.3.1.18 Communications
Ductbanks are installed as required to facilitate future extension of the
ductbank system while avoiding disruption of the LRT Operations and
patrons. CIC's, manholes, cable troughs, communications houses,
telephones, and alarms are installed in on the CM/GC contract.
12.3.1.19 Landscaping
Landscaping is installed under the CM/GC contract. Principal design
considerations are listed within the EWP section, landscaping.
12.3.2
Design Participants
The design of this line section is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Traffic Signs and Signals, Track, Station and Line Section NC-3), TXDOT, City of
Carrolton and Farmers Branch and local utilities.
12.3.3
Principal Design Considerations
12.3.3.1 Prepare final design including design reports and calculations.
12.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
12.3.3.3 Prepare project schedule, milestones and contract unit descriptions.
12.3.3.4 Update preliminary cost estimates.
12.3.3.5 Prepare work program.
12.3.3.6 Provide all surveys required to support design, right-of-way
acquisitions and construction activities.
12.3.3.7 Coordination, investigation and clean up of hazardous material.
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12.3.3.8 Incorporate track alignment plan, profile, and typical sections.
12.3.3.9 Perform all necessary soils explorations and analyses.
12.3.3.10 Develop typical roadway sections and proposed pavement design.
12.3.3.11 Design drainage system.
12.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
12.3.3.13Coordinate design with other engineering elements.
12.3.3.14 Design roadway crossings.
12.3.3.15 Prepare preliminary plans and cost estimates and conduct review.
12.3.3.16 Review Value Engineering Report.
12.3.3.17 Prepare in-progress plans, specifications and cost estimates.
12.3.3.18Prepare pre-final plans, specifications and cost estimates.
12.3.3.19 Prepare final plans, specifications and cost estimates.
12.3.3.20 Prepare final right-of-way Plats and Descriptions.
12.3.3.21 Prepare final station zoning application.
12.3.3.22Secure necessary approvals.
12.3.3.23 Issue request for proposal and conduct pre-proposal conference.
12.3.3.24Evaluate proposals, award contract, and issue notice to proceed.
12.3.3.25Review construction schedule and submittals.
12.3.3.26Prepare inspection and testing plan.
12.3.3.27 Perform construction management services.
12.3.3.28 Monitor adherence to schedule and budget.
12.3.3.29 Process change orders.
12.3.3.30 Review and process progress payments.
12.3.3.31 Prepare contract status reports.
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12.3.3.32Coordinate with follow-on systems and track installation.
12.3.3.33 Prepare construction contract punch list.
12.3.3.34 Prepare final inspection report.
12.3.3.35 Verify "as-built" drawings.
12.3.3.36 Prepare and issue notice of acceptance.
12.3.3.37Perform contract close out and necessary documentation.
12.3.3.38Coordinate design with operations at Farmers Branch Station
12.4
INTERFACE
12.4.1
Design
12.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles includes civil clearances and
track geometry.
12.4.1.2 Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment and soils reports for catenary pole foundation and
substation slab design.
12.4.1.3 Signals
a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes and conduit
requirements.
b) Output provided to Signals includes track alignment, grade
crossing locations and intersection layouts.
12.4.1.4 Communications
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a) Input required from Communications includes location of
Station PA speakers and CCTV (future), wayside elevator
telephones, manholes, communication bungalows and
equipment, and routing of conduits.
b) Outputs provided to Communications are station configuration
and elements appropriate for equipment.
12.4.1.5 Fare Collection
a) Input required from Fare Collection includes physical
dimensions of ticket vending and validation machines, space
requirements an electrical power and communication
requirements.
b) Outputs required from Fare Collection are station
configuration and layout, conduit size and location of Fare
Collection Equipment.
12.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track is roadway design requirements.
12.4.1.7 Line Section NW-3
a) Input required from line sections is track alignment, grading,
drainage and conduit design at the contract limit area.
b) Output provided to line sections is conformed plans and/or
as-built plans if available.
12.4.1.8 CityofCarrollton
a) Input required from the City of Carrollton involves design
review and approval of contract plans and specifications.
b) Output provided to the City of Carrollton in the form of
preliminary, in-progress, pre-final and final plan and
specification documents for their review.
12.4.1.9 Utilities
a) Input required from various utility owners (gas, water, cable,
electrical, phone, sewer) regarding location of existing
facilities and a plan and schedule for relocating conflicting
facilities
b) Output provided to the utility owners includes plan and profile
design, identification of utilities requiring relocation, and a
proposed construction schedule.
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12.4.1.10City of Farmers Branch
a) Input required from City of Farmers Branch involves design
review and approval of contract plans and specifications.
b) Output provided to City of Farmers Branch in the form of
preliminary, in-progress, pre-final and final plan and
specification documents for their review.
12.4.1.11NTTA
a) Input Required From NTTA Regarding Construction Of The
LRT Trackway Across The East And Westbound Frontage
Roads Of PGBT.
b) Output Provided To NTTA In The Form Of Preliminary, InProgress, Pre-Final And Final Plan And Specification
Documents For Their Review.
12.4.1.12TXDOT
a) Input required from TXDOT regarding construction of LRT
trackway across the east and westbound frontage roads of
President George Bush Turnpike.
b) Output is provided to TXDOT in the form of preliminary inprogress, pre-final, and final plans and specification
documents for their review.
12.4.1.13Dallas, Garland and Northeastern Railroad Company (DGNO).
DGNO will be relocated so as to not interfere with construction of NW4 line section.
a) Input required from DGNO Railroad is their operation
schedule and procedures, as well as any constraints
impacting DARTs construction of the LRT.
b) Output is provided to DGNO in the form of preliminary, inprogress, pre-final and final plan and specification documents
for their review.
12.4.1.14 Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
12.4.1.15Grounding (TBD)
12.4.1.16Traffic Signals and Signs
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a) Input required from Traffic Departments regarding signal
operations at adjacent intersections.
b) Output provided to City of Carrollton Traffic Department
includes signal system and timing options.
12.4.1.17Art and Design
a) Input required from Site Specific Committee
b) Output provided for specific commission to be installed.
12.4.2
Construction
12.4.2.1 Traction Electrification
Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
12.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
12.4.2.3 Track
Track materials are procured under separate contracts and supplied
to the CM/GC for installation.
12.4.2.4 Operations
The construction activities at the Line Section contract limit at Valley
View Lane Station at Farmers Branch must be closely coordinated
with DART operations.
12.4.2.5 City of Carrollton
The City of Carrollton is kept apprised of construction progress in
order to provide any required inspection services.
12.4.2.6 City of Farmers Branch
The City of Farmers Branch is kept apprised of construction progress
in order to provide any required inspection services.
12.4.2.7 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
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The utilities relocation plans and schedules must be coordinated with
the construction schedule in order to avoid delays to either party.
12.4.2.8 Fare Collection
Provide conduit pull boxes and power requirements for ticket vending
and validating machines.
12.4.2.9 Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
12.4.2.10Traffic Signals and Signs
Install signals, mast arms, poles, controller, pull boxes, conduit, wires,
detectors and call buttons for activation at all sides streets and
stations, where required.
12.4.2.11 Landscaping
Landscaping is installed by the CM/GC. Irrigation conduit lines are
designed by section by the line designer.
12.4.3
Agency Agreements
12.4.3.1 City of Carrollton - Plan reviews, building permits, code compliance,
storm-sewer connections and interlocal agreement.
12.4.3.2 City of Farmers Branch - Plan reviews, building permits, code
compliance, storm-sewer connections and interlocal agreement.
12.4.3.3 TXU Electric Co. - Utility adjustment agreements and electrical service
and connections for station amenities and lighting.
12.4.3.4 SBC - Utility adjustment agreements and telephone service
connections
12.4.3.5 TXU Gas - Utility adjustment agreements.
12.4.3.6 Comcast Cable Companies - Utility adjustment agreements.
12.4.3.7 AT&T Broadband - Utility adjustment agreements.
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12.4.3.8 Texas Department of Transportation - Plan review and approval and
License Agreement for LRT crossings of the east and westbound
frontage roads of PGBT.
12.4.3.9 Texas Commission on Environmental Quality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
12.4.3.10 North Texas Tollway Authority - Plan review and approval and
license agreement for LRT crossings of the east and westbound
frontage roads of PGBT.
12.5
CONSTRUCTION PLAN
The Contractor is to remove all tracks and trackbed materials to natural ground,
perform all remaining demolition and site clearing. The Contractor performs
grading drainage, structures, ductbank, paving, station platform, station finishes,
station park and ride lots, street construction, traffic signals, signs and pavement
markings. The general direction of construction is from the center of the north and
south to accommodate track construction and the welded rail storage site.
After the track way is completed, the Contractor will install the LRT Track and
Overhead Contact System (OCS), Signal System, Communications System, and
Fare Collection.
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13.0 SOUTHEAST CORRIDOR, LINE SECTIONS SE-1
Project Manager: Reza Shirmanesh
Assistant Vice President - Project Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Patrick Diviney
Resident Construction Manager: TBD
CM/GC: TBD
13.1 OVERVIEW
Line Section SE-1 extends from Pearl Station to Hatcher Station along the former Union
Pacific (UP) and Southern Pacific (SP) ROW at a distance of approximately 4.1 miles. The
line section is double tracked.
There are 5 at grade stations; at Good Latimer between Swiss Avenue and Gaston
Avenue, at Baylor between Malcolm X Boulevard and Walton Street, at Fair Park, at the
proposed MLK transit center and just west of Hatcher Street.
There are 19 at grade crossings. In addition, the tracks are located in the median of Good
Latimer for approximately 1700° feet. The grade crossings are located at Bryan Street,
Live Oak Street, Gaston Avenue, Malcolm X Boulevard, Hall Street, Elm Street, Canton
Street, Parry Avenue, First Avenue, R.B. Cullum Boulevard., Grand Avenue, MLK
Boulevard., Pennsylvania Avenue, Metropolitan Avenue, Borich Street, Second Avenue,
Pine Street and Hatcher Street.
There are also several proposed street closures along the line section.
A yard lead to the S&l facility is also included in Line Section SE-1. The lead begins west
of Grand Avenue and is approximately 3000 feet.
13.2 CONTRACT UNIT DESCRIPTION
13.2.1
Scope
This line section element is the responsibility of the CM/GC. The contract line
section consists of track work, bridge demolition, street improvements, utilities,
stations, trackwork, landscaping, and systems construction of Line section SE-1
and its appurtenances.
13.2.2
The work for this contract includes the following:
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> Track removal
> Track Installation
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Street modifications
> Substation sites and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
>
Installation of traffic regulatory signs and traffic signals
> Deep Ellum, Baylor, Fair Park, MLK and Hatcher Stations
> Bridge demolition
> Environmental mitigation
> Conduits for TVM's
> Traction Electrification System
> Signal System
> Communications System
> Landscaping
> Artwork (TBD)
Work items not included are:
> Utility relocation TXU ELECTRIC, SBC, TXU GAS, COMCAST Cable,
MFS AND AT&T
> Track material procurement
> Procurement of bus transit signs
> Hazardous material clean-up
> Traction Power Substations
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> TVM's
> Commissioned Artwork (TBD)
13.2.3
Contracting Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
13.2.4
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
13.3 ENGINEERING PLAN
13.3.1
Principal Design Considerations
13.3.1.1 General
13.3.1.2 Civil and Architectural design elements are in accordance with
DART'S Design Criteria.
13.3.1.3 The design complies with all local, state and federal jurisdictional
codes and standards, including ADA Regulations.
13.3.1.4 The design and construction timeline incorporates all of the final
Environmental Impact Statement (FEIS) recommendations for
environmental mitigations as well as the DART Board's desire to
maintain the Service Schedule.
13.3.1.5 The design is coordinated and consistent with the following
engineering elements:
> Vehicles
> Utility relocations
> Track material
> Traction Electrification
> Signals
> CBD
> SE-2
> Communications
> Fare Collection
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> Art and Design Program
13.3.1.6 The design provides for ease and economy of maintenance.
13.3.1.7 The design is cost effective.
13.3.1.8 The design will leave as many of the existing trees and as much of the
existing vegetation undisturbed as possible.
13.3.1.9 Alignment
The track alignment follows the former UP & SP corridors.
The design utilizes mostly the existing right-of-way and minimizes any
additional right-of-way purchases.
The track geometry is designed for maximum speed of 65 mph.
13.3.1.lORoadway
Bryan Street crossing is to be rebuilt.
Hawkins Street is to be maintained.
Buell Street is to be maintained.
Routh Street is to be maintained.
Live Oak Street crossing will require modifications to provide a
smooth and safe ride over the tracks.
Florence Street will remain open, however, traffic will be interrupted at
the LRT tracks and cease to be a thru street.
Swiss Avenue will remain open, however, traffic will be interrupted at
the LRT tracks and cease to be a thru street.
Miranda Street is to be maintained.
Floyd Street is to be maintained.
Gaston Avenue crossing will require modifications to provide a
smooth and safe ride over the tracks.
North Good Latimer Expressway will require rebuilding to allow for
median running tracks in the street.
Monument Street is to be maintained.
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Malcolm X Boulevard crossing will require modifications to provide a
smooth and safe ride over the tracks.
Walton Street is to be closed to through traffic.
Hall Street crossing will require modifications to provide a smooth and
safe ride over the tracks.
Race Street is to be closed to through traffic.
Elm Street crossing will require modifications to provide a smooth and
safe ride over the tracks.
Main Street/Canton crossing will require modifications to provide a
smooth and safe ride over the tracks. This modification will extend
over Canton Street.
East Side Avenue is to be closed to through traffic.
Willow Street is to be closed to through traffic.
Oak Lane is to be closed to through traffic.
Ash Lane is to be maintained.
Hill Avenue will be dead-ended.
Pacific Avenue is to be closed to through traffic.
Parry Avenue crossing will require modifications to provide a smooth
and safe ride over the tracks.
Commerce Street is to be maintained.
Exposition Avenue is to be maintained.
First Avenue will require modifications to provide a smooth and safe
ride over the tracks.
Robert B. Cullum Boulevard will require modifications to provide a
smooth and safe ride over the tracks.
4th Street to be realigned with Gunter Avenue will not cross the tracks.
Gunter Avenue will require modifications to provide a smooth and safe
ride over the tracks.
Elihus Street is to be closed to through traffic.
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Grand Avenue will require modifications to provide a smooth and safe
ride over the tracks.
Park Row Avenue is to be maintained.
Trezevant Street is to be looped to South Boulevard.
South Boulevard is to be looped to Trezevant Street.
Martin Luther King Boulevard will require modifications to provide a
smooth and safe ride over the tracks.
Peabody Avenue is to be closed to through traffic.
Pennsylvania Avenue will require modifications to provide a smooth
and safe ride over the tracks.
Birmingham Avenue is to be maintained (north) and to dead-end
(south).
Dallas Street is to be maintained.
Carl Street is to be maintained.
Caviness Street is to be maintained.
Hamilton Street is to be maintained.
Roby Street is to be maintained.
Metropolitan Avenue crossing will require modifications to provide a
smooth and safe ride over the tracks.
Harmon Street is to be maintained.
McDermott Street is to be Adjusted.
Trunk is to be adjusted.
Borick Avenue/Tuskagee crossing will require modifications to provide
a smooth and safe ride over the tracks.
Rutlege Street is to be closed to through traffic.
Second Avenue crossing will require modifications to provide a
smooth and safe ride over the tracks.
Pine Road crossing will require modifications to provide a smooth and
safe ride over the tracks.
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First Avenue is to be maintained.
Reed Lane is to be closed to through traffic.
Carpenter Avenue is to be closed to through traffic.
Bertrand Avenue is to be closed to through traffic.
York Street is to be shortened.
Hatcher Street crossing will require modifications to provide a smooth
and safe ride over the tracks.
13.3.1.11 Drainage
Open-ditch drainage is used throughout, where possible. Underdrains
and ballast walls are used a station platforms, road crossings and at
other areas where open ditches are not practical.
13.3.1.12 Stations
Stations are located at Good Latimer, Baylor, Fair Park, MLK and
Hatcher. The Baylor, MLK and Hatcher Stations are prototypical atgrade station whereas the Fair Park Station will require an urban
design effort in order to assimilate the structure into the architecture of
historic Fair Park and the Good Latimer Station will require an urban
design effort due to the location of the station in the median of Good
Latimer. Station platforms including all conduit piping and embedded
elements therein are constructed in this line section contract.
Baylor and Hatcher will include kiss and ride spaces, MLK transit
center will make use of existing park and ride and kiss and ride
spaces. Station canopies, special use platform and all other design
elements are installed as a part of this contract.
13.3.1.13Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
13.3.1.14 Traction Electrification
13.3.1.14.1 Four Substations are proposed for Line Section SE-1.
> Malcolm X Boulevard
> I-30
> Birmingham Avenue
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> Hatcher Street
13.3.1.14.2 The Overhead Contact System, including feeders will be
provided by the CM/GC.
13.3.1.15 Fare Collection
Each station platform provides for installation of ticketing vending
machines and validators.
13.3.1.16Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP section, Track.
13.3.1.17Signals
All at-grade crossings are gated and required provisions in the design
for installation of this equipment. The crossings in the median are
operated with bar signals. The wayside equipment in support of the
cab signal system along with interlockings will be provided by the
CM/GC.
13.3.1.18Communications
Ductbanks are installed through all at-grade crossings, through the
aerial structures and bridges and through the stations. This initial
installation will facilitate further extension of the ductbank system
without disruption of LRT operations and patrons. CIC's, manholes,
cable troughs, communications houses, telephones, and alarms are
installed in on the CM/GC contract.
13.3.1.19 Landscaping
Landscaping is installed under the CM/GC contract. Principal design
considerations are listed within the EWP section, Landscaping.
13.3.2
Design Participants
The design of this line section is performed by the ACT21 under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Traffic Signs and Signals, Track, and Stations), City of Dallas, TXDOT, State Fair
Park, Landmark Commission, SHPO, and local Utilities.
13.3.3
Engineering and Construction Tasks
13.3.3.1 Prepare final design including design reports and calculations.
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13.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
13.3.3.3 Prepare project schedule, milestones and contract unit descriptions.
13.3.3.4 Update preliminary cost estimates.
13.3.3.5 Prepare work program.
13.3.3.6 Provide all surveys required to support design, right-of-way acquisition
and construction activities.
13.3.3.7 Coordination, investigation and clean up of hazardous material.
13.3.3.8 Incorporate track alignment plan, profile and typical sections.
13.3.3.9 Perform all necessary soils explorations and analyses.
13.3.3.10 Develop typical roadway sections and proposed pavement design.
13.3.3.11 Design drainage system.
13.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
13.3.3.13Coordinate design with other engineering elements.
13.3.3.14 Design roadway crossings.
13.3.3.15Design cross-street lighting.
13.3.3.16 Prepare DART and Agency plans and cost estimates and conduct
review.
13.3.3.17 Review Value Engineering report.
13.3.3.18 Prepare pre-final plans, specifications and cost estimates.
13.3.3.19 Prepare final plans, specification and cost estimates.
13.3.3.20 Prepare construction document plans, specification and cost
estimates.
13.3.3.21 Prepare final station zoning application.
13.3.3.22Secure necessary approvals.
13.3.3.23 Issue request for proposals and conduct pre-proposal conference.
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13.3.3.24 Evaluate proposals, award contract and issue notice to proceed.
13.3.3.25 Review construction schedule and submittals.
13.3.3.26Prepare inspection and testing plan.
13.3.3.27 Perform construction management services.
13.3.3.28 Monitor adherence to schedule and budget.
13.3.3.29Process change orders.
13.3.3.30 Review and process progress payments
13.3.3.31 Prepare contract status reports.
13.3.3.32Coordinate with follow-on Systems and track installation.
13.3.3.33 Prepare construction contract punch list.
13.3.3.34 Prepare final inspection report.
13.3.3.35 Verify "as-built" drawings.
13.3.3.36 Prepare and issue notice of acceptance.
13.3.3.37Perform contract close out and necessary documentation.
13.4
INTERFACE
13.4.1
Design
13.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles includes civil clearance and track
geometry.
13.4.1.2 Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment and soils reports for catenary pole foundation and
substation slab design.
13.4.1.3 Signals
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a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes and conduit
requirements.
b) Output provided to Signals includes track alignment, grade
crossing locations and intersection layout.
13.4.1.4 Communications
a) Input required from Communications includes location of
Station PA speakers and CCTV (future), manholes,
communication bungalows and equipment and routing of
conduits.
b) Outputs provided to Communications are station configuration
and elements appropriate for equipment placement.
13.4.1.5 CBD
a) Input required from line section is track alignment, grading,
drainage, and conduit design at the contract limit area.
b) Output provided to line section is conformed plans and/or asbuilt plans if available.
13.4.1.6 SE-2
a) Input required from line section is track alignment, grading,
drainage, and conduit design at the contract limit area.
b) Output provided to line section is conformed plans and/or asbuilt plans if available.
13.4.1.7 Fare Collection
a) Input required from Fare Collection includes physical
dimensions of ticket vending and validation machines, space
requirements, electrical power and communication
requirements.
b) Outputs provided from Fare Collection are station
configuration and layout, conduit size and location of Fare
Collection Equipment.
13.4.1.8 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track is roadway design requirements.
13.4.1.9 City of Dallas
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a) Input required from the City of Dallas involves design review
and approval of contract plans and specification.
b) Output design output provided to the City of Dallas in the form
of DART and Agency Review, pre-final and final plan and
specification documents for their review.
13.4.1.10 Utilities
a) Input required from various utility owners (gas, water, cable,
electrical phone, sewer) regarding location of existing facilities
and a plan and schedule for relocating conflicting utilities
b) Output provided to utility owners includes plan and profile
design, identification of utilities requiring relocation and a
proposed construction schedule.
13.4.1.11TXDOT
a) Input required from TXDOT regarding the design provisions
for the crossing at North Central Expressway, IH-30 and R.B.
Cullum Boulevard.
b) Output provided to the TXDOT in the form of DART and
Agency Review, pre-final and final plan and specification
documents for their review.
13.4.1.12Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
13.4.1.13Grounding(TBD)
13.4.1.14Traffic Signals and Signs
a) Input required from City of Dallas Traffic Departments
regarding signals at adjacent intersections.
b) Output provided to the City of Dallas Traffic Departments
includes signal system and timing options.
13.4.1.15 Art and Design Program
a) Input required from Site Specific Committee
b) Output provided for specific commissions to be installed.
13.4.2
Construction
13.4.2.1 Traction Electrification
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Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
13.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
13.4.2.3 Track
Track materials are procured under separate contract and supplied to
the CM/GC for installation.
13.4.2.4 Operations
The construction activities for this line section contract limit at the
Southeast Junction, limits of CBD and the portal, Piano East Station
must be closely coordinated with DART operations.
13.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services.
13.4.2.6 Utilities
All underground utilities are designed or relocated in accordance wit
DART Design Criteria and local jurisdiction criteria.
The utilities relocation plans and schedules must be coordinated with
the construction schedule in order to avoid delays to either party.
13.4.2.7 Fare Collection
Provide conduit pull boxes and power requirements for ticket vending
and validating machines.
13.4.2.8 Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
13.4.2.9 Traffic Signals and Signs
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Install signals, mast arms, poles, controllers, pull boxes, conduit,
wires, detectors and call buttons for activation at all side streets,
where required.
13.4.2.10Landscaping
Landscaping and irrigation materials are procured and installed under
the CM/GC contract.
13.4.3
Agency Agreements
13.4.3.1 City of Dallas - Plan reviews, building permits, code compliance,
storm sewer connections, and Design and Construction Interlocal
Agreement.
13.4.3.2 City of Dallas/Fair Park - Property joint use agreement
13.4.3.3 TXU Electric Co. - Utility adjustment agreements and electrical service
connections for station amenities and lighting.
13.4.3.4 SBC - Utility adjustment agreements and telephone service
connections.
13.4.3.5 TXU Gas - Utility adjustment agreements.
13.4.3.6 Comcast Cable - Utility adjustment agreements.
13.4.3.7 Metropolitan fiber Systems (MFS) - Utility adjustment agreements.
13.4.3.8 AT&T Broadband - Utility adjustment agreements.
13.4.3.9 Texas Commission on Environmental Equality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
13.4.3.10TXDOT - Plan reviews, new structure at North Central Expressway,
and R.B. Cullum.
13.5
CONSTRUCTION PLAN
The CM/GC is to remove all tracks and trackbed materials to natural ground,
perform all remaining demolition and site clearing. The CM/GC then performs
utility relocations, grading, drainage, ductbank, paving, station platform, station
finishes, station park and ride lots, street construction, traffic signals, signs and
pavement marking. The general direction of construction is from north to south
due to the welded rail being stored at the north end of the line.
After the trackway is completed, the CM/GC will install the LRT track and
Overhead Contact System (OCS), Signal System, and Communications System.
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14.0
SOUTHEAST CORRIDOR, LINE SECTIONS SE-2
Project Manager: Nathan Frumkin
Assistant Vice President - Project Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Patrick Diviney
Resident Construction Manager: TBD
CM/GC: TBD
14.1 OVERVIEW
Line Section SE-2 extends from just east of Hatcher Station, end of Line Section SE-1,
east within the former Southern Pacific (SP) Railroad now DART Corridor a distance of 6
miles to the west of Buckner Boulevard. The line section is doubled tracked with one (1)
one pocket track located east of Lawnview and two (2) universal crossovers, one east of
Parus Maintenance Road and the other west of Hillburn Drive.
Three (3) at-grade stations are located along the SE-2 Line Section. The first is at the
southwest corner of Scyene Road & Lawnview Street. There is a street bend pocket track
north of this station. The second south of Lake June Road and the third is located east of
Elam Road. There are three tail tracks at the end of the line to provide for storage of
trains. The stations are to be completely finished out as part of the line section
construction contract. Included in the SE-2 Line Section are bridges to be constructed
over Hancock Street and the Union Pacific Railroad, over White Rock Creek, over the
White Rock Creek Tributary, over Lake June Road and over Elam Creek.
There are seven (7) at grade crossings. They are located at Dixon Avenue, eastside of
Lawnview Station, City of Dallas Parks Department Park Access and Maintenance Road
west of Keeton Drive, Keeton Drive, Jim Miller Road, Hillburn Drive and Elam Road.
14.2 CONTRACT UNIT DESCRIPTION
14.2.1
Scope
This line section element is the responsibility of the CM/GC. The contract line
section consists of new bridge construction, street improvements, utilities, stations,
trackwork, landscaping, and systems construction of Line section SE-2 and its
appurtenances.
The work for this contract includes the following:
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Trackwork
> Water and sewer utility work
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> Minor structures and retaining walls
> Bridge over Hancock Street and The Union Pacific Railroad; Bridge over
> Bridge over White Rock Creek and over White Rock Creek Tributary
> Bridge over Lake June Road and over Elam Creek
> Pedestrian Undercrossing
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Street modifications
> Substation sites and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signals
> Lawnview, Lake June and Buckner Stations
> Environmental mitigation
> Conduits for TVM's
> Traction Electrification System
> Signal System
> Communications System
> Track Installation
> Artwork (TBD)
Work items not included are:
> Utility relocation TXU Electric, SBC, TXU Gas, Comcast Cable, MFS AND
AT&T
> Track material procurement
> Procurement of bus transit signs
> Hazardous material clean-up
> Traction Power Substations
> TVM's
> Commissioned Artwork (TBD)
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14.2.2
Contracting Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
14.2.3
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
14.3
ENGINEERING PLAN
14.3.1
Principal Design Considerations
14.3.1.1 General
14.3.1.1.1 Civil and Architectural design elements are in accordance
with DART's Design Criteria.
14.3.1.1.2 The design complies with all local, state and federal
jurisdictional codes and standards, including ADA
Regulations.
14.3.1.1.3 The design and construction timeline incorporates all of
the final Environmental Impact Statement (FEIS)
recommendations for environmental mitigations as well
as the DART Board's desire to maintain the Service
Schedule.
14.3.1.1.4 The design is coordinated and consistent with the
following engineering elements:
> Vehicles
> Traction Electrification
> Signals
> Communications
> Fare Collection
> Utility relocation
> Track
> Line Section SE-1
> Art and Design Program
14.3.1.1.5 The design provides for ease and economy of
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maintenance.
14.3.1.1.6 The design is cost effective.
14.3.1.1.7 The design will leave as many of the existing trees and as
much of the existing vegetation undisturbed as possible.
14.3.1.2 Alignment
14.3.1.2.1 The track alignment follows the former SP (corridor
between the UP Railroad and Buckner Road).
14.3.1.2.2 The design utilizes the existing right-of-way and
minimizes any additional right-of-way purchases.
14.3.1.2.3 The track geometry is designed for maximum speed of 65
mph.
14.3.1.3 Roadway
Hancock Street is to be bridged over.
Dixon Street crossing will require modifications to provide a smooth
and safe ride over the tracks
Lawnview Avenue crossing will require modifications to provide a
smooth and safe ride over the tracks
Park Maintenance Road crossing will require modifications to provide
a smooth and safe ride over the tracks
Keeton Drive crossing will require modifications to provide a smooth
and safe ride over the tracks
Lake June Road will be crossed by a new bridge.
Jim Miller Road crossing will require modifications to provide a
smooth and safe ride over the tracks
Hillburn Drive crossing will require modifications to provide a smooth
and safe ride over the tracks
Elam Road crossing will require modifications to provide a smooth
and safe ride over the tracks
14.3.1.4 Drainage
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Open-ditch drainage is used throughout, where possible. Underdrains
and ballast walls are used a station platforms, road crossings and at
other areas where open ditches are not practical.
14.3.1.5 Structures
14.3.1.5.1 Construct a new, approximately 835 LF, Bridge over
Hancock Street/Union Pacific Railroad.
14.3.1.5.2 Construct a new, approximately 2,250 LF, Bridge over
White Rock Creek.
14.3.1.5.3 Construct a new, approximately 60 LF, Bridge over White
Rock Creek Tributary Bridge
14.3.1.5.4 Construct a new, approximately 180 LF, Bridge over Lake
June Road Bridge.
14.3.1.5.5 Construct a new, approximately 90 LF, Bridge over Elam
Creek.
14.3.1.5.6 If an AASHTO Type IV Beam design is selected as the
most cost effective, then two designs—an AASHTO Type
IV Beam design and a TXDOT U-Beam design—are to
be produced both design are to be incorporated into the
design package and alternate bids obtained from the
Contractor.
14.3.1.6 Stations
Stations are located at Lawnview, Lake June and Buckner. The
Stations are a prototypical at-grade station. Station platforms
including all conduit piping and embedded elements therein are
constructed in the CM/GC contract.
Station canopies, special use platform and all other design elements
are installed as a part of this contract. Stations finish-out at all
Stations, park and ride lots, and kiss and ride spaces at Lawnview
and Buckner Stations are included in the CM/GC contract. Lake June
Station will make use of existing park and ride and kiss and ride
spaces.
14.3.1.7 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
14.3.1.8 Traction Electrification
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14.3.1 .8.1 Substations are located near:
> Park Access Road
> BrutonRoad
> Lake June Transit Center
> Jim Miller Road
> Buckner Boulevard
14.3.1.8.2 The Overhead Contact System, including feeders will be
provided by the CM/GC.
14.3.1.9 Fare Collection
Each station platform provides for installation of ticketing vending
machines and validators.
14.3.1.10 Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP section, Track.
14.3.1.11 Signals
All at-grade crossings are gated and required provisions in the design
for installation of this equipment. The wayside equipment in support of
the cab signal system along with interlockings will be provided by the
CM/GC.
14.3.1.^Communications
Ductbanks are installed through all at-grade crossings, through the
aerial structures and bridges and through the stations. This initial
installation will facilitate further extension of the ductbank system
without disruption of LRT operations and patrons. CIC's, manholes,
cable troughs, communications houses, telephones, and alarms are
installed in on the CM/GC contract.
14.3.1.13 Landscaping
Landscaping is installed under the CM/GC contract. Principal design
considerations are listed within the EWP section, Landscaping.
14.3.2
Design Participants
The design of this line section is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
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elements (including Vehicles, Traction Electrification, Signals, Communications,
Traffic Signs and Signals, Track, Stations and Line Section SE-1), City of Dallas
and local Utilities.
14.3.3
Engineering and Construction Tasks
14.3.3.1 Prepare final design including design reports and calculations.
14.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
14.3.3.3 Prepare project schedule, milestones and contract unit descriptions.
14.3.3.4 Update preliminary cost estimates.
14.3.3.5 Prepare work program.
14.3.3.6 Provide all surveys required to support design, right-of-way acquisition
and construction activities.
14.3.3.7 Coordination, investigation and clean up of hazardous material.
14.3.3.8 Incorporate track alignment plan, profile and typical sections.
14.3.3.9 Perform all necessary soils explorations and analyses.
14.3.3.10 Develop typical roadway sections and proposed pavement design.
14.3.3.11 Design drainage system.
14.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
14.3.3.13Coordinate design with other engineering elements.
14.3.3.14 Design roadway crossings.
14.3.3.15Design cross-street lighting.
14.3.3.16Prepare preliminary plans and cost estimates and conduct review.
14.3.3.17 Review Value Engineering report.
14.3.3.18 Prepare in-progress plans, specifications and cost estimates.
14.3.3.19Prepare pre-final plans, specifications and cost estimates.
14.3.3.20Prepare final plans, specification and cost estimates.
14.3.3.21 Prepare final station zoning application.
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14.3.3.22Secure necessary approvals.
14.3.3.23 Issue request for proposals and conduct pre-proposal conference.
14.3.3.24 Evaluate proposals, award contract and issue notice to proceed.
14.3.3.25 Review construction schedule and submittals.
14.3.3.26Prepare inspection and testing plan.
14.3.3.27Perform construction management services.
14.3.3.28 Monitor adherence to schedule and budget.
14.3.3.29Process change orders.
14.3.3.30Review and process progress payments
14.3.3.31 Prepare contract status reports.
14.3.3.32Coordinate with follow-on Systems and track installation.
14.3.3.33 Prepare construction contract punch list.
14.3.3.34 Prepare final inspection report.
14.3.3.35 Verify "as-built" drawings.
14.3.3.36 Prepare and issue notice of acceptance.
14.3.3.37Perform contract close out and necessary documentation.
14.4 INTERFACE
14.4.1
Design
14.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles includes civil clearance and track
geometry.
14.4.1.2 Traction Electrification
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a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment and soils reports for catenary pole foundation and
substation slab design.
14.4.1.3 Signals
a) Input required from Signals includes location of crossing
gates, signal equipment, pull boxes and conduit
requirements.
b) Output provided to Signals includes track alignment, grade
crossing locations and intersection layout.
14.4.1.4 Communications
a) Input required from Communications includes location of
Station PA speakers and CCTV (future), manholes,
communication bungalows and equipment and routing of
conduits.
b) Outputs provided to Communications are station configuration
and elements appropriate for equipment placement.
14.4.1.5 Fare Collection
a) Input required from Fare Collection includes physical
dimensions of ticket vending and validation machines, space
requirements, electrical power and communication
requirements.
b) Outputs provided from Fare Collection are station
configuration and layout, conduit size and location of Fare
Collection Equipment.
14.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track is roadway design requirements.
14.4.1.7 Line Section SE-1
a) Input required from Line Section SE-1 is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section SE-1 is conformed plans
and/or as-built plans if available.
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14.4.1.8 City of Dallas
a) Input required from the City of Dallas involves design review
and approval of contract plans and specification.
b) Output design output provided to the City of Dallas in the form
of preliminary, in-progress, pre-final and final plan and
specification documents for their review.
14.4.1.9 Utilities
a) Input required from various utility owners (gas, water, cable,
electrical phone, se"wer) regarding location of existing facilities
and a plan and schedule for relocating conflicting utilities
b) Output provided to utility owners includes plan and profile
design, identification of utilities requiring relocation and a
proposed construction schedule.
14.4.1.10TXDOT
a) Input required from TXDOT regarding the design provisions
for the roadway intersections on SH 352 at Dixon Avenue and
Lawn view Road.
b) Output provided to the TXDOT in the form of preliminary, inprogress, pre-final and final plan and specification documents
for their review.
14.4.1.11 Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
14.4.1.12Grounding (TBD)
14.4.1.13Traffic Signals and Signs
a) Input required from City of Dallas Traffic Departments
regarding signals at adjacent intersections.
b) Output provided to the City of Dallas Traffic Departments
includes signal system and timing options.
14.4.1.14 Art and Design Program
a) Input required from Site Specific Committee
b) Output provided for specific commissions to be installed.
14.4.1.15Union Pacific/DGNO/Southern Pacific Rail Line
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a) Input required form UP/DGNO/SPRR Railroads servers of
general cable industry regarding grade separation and
relocation of existing track.
b) Output provided to UP/DGNO/SPRR in the form of
preliminary, in-progress, pre-final and final plan and
specification documents for their review.
14.4.2
Construction
14.4.2.1 Traction Electrification
Provide and install all Traction Electrification elements (Overhead
Contact System and feeders) and appurtenances with the exception
oftheTPSS.
14.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Cab Signals.
14.4.2.3 Track
Track materials are procured under separate contract and supplied to
the CM/GC for installation.
14.4.2.4 Operations
The construction activities at the line section contract limits must be
closely coordinated with DART operations.
14.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services.
14.4.2.6 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria local jurisdiction criteria.
The utilities relocation plans and schedules must be coordinated with
the construction schedule in order to avoid delays to either party.
14.4.2.7 Fare Collection
Provide conduit pull boxes and power requirements for ticket vending
and validating machines.
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14.4.2.8 Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Software and Radio
Systems.
14.4.2.9 Traffic Signals and Signs
Install signals, mast arms, poles, controllers, pull boxes, conduit,
wires, detectors and call buttons for activation at all side streets,
where required.
14.4.2.10Landscaping
Landscaping and irrigation materials are procured and installed by the
CM/GC.
14.4.3
Agency Agreements
14.4.3.1 City of Dallas - Plan reviews, building permits, code compliance,
storm sewer connections, and Design and Construction Interlocal
Agreement.
14.4.3.2 Texas Utilities Electric Co. - Utility adjustment agreements and
electrical service connections for station amenities and lighting.
14.4.3.3 SBC - Utility adjustment agreements and telephone service
connections.
14.4.3.4 TXU GAS - Utility adjustment agreements.
14.4.3.5 COMCAST Cable - Utility adjustment agreements.
14.4.3.6 Metropolitan fiber Systems (MFS) - Utility adjustment agreements.
14.4.3.7 AT&T Broadband - Utility adjustment agreements.
14.4.3.8 Texas Commission on Environmental Quality (TCEQ) - Hazardous
material remediation plan review and verification of remediation effort.
14.5 CONSTRUCTION PLAN
The CM/GC is to all demolition and site clearing. The CM/GC then performs utility
relocations, grading, drainage, ductbank, paving, station platform, station finishes, station
park and ride lots, street construction, traffic signals, signs and pavement marking. The
general direction of construction is from north to south due to the welded rail being stored
at the north end of the line.
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After the trackway is completed, the CM/GC will install the LRT track and Overhead
Contact System (OCS) Signal System, and Communications System.
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15.0 NORTHWEST RAIL OPERATIONS FACILITY (NWROF)
Project Manager: Nathan Frumkin
Assistant Vice President - Project Engineering: Eduardo Ugarte
Assistant Vice President - Construction Management: Diane Gollhofer
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Bill Stinson
Resident Engineer Manager: TBD
CM/GC: TBD
15.1 OVERVIEW
The recently completed Phase I build-out of DART's LRT System has expanded, DART'S
operations to approximately 44 miles of light rail transit within the cities of Dallas, Garland,
Piano and Richardson. The current DART fleet consists of 95 vehicles which are serviced
and stored at the Central Rail Operations division consisting of a Service and Inspection
(S&l) Facility and a Facilities Maintenance Building (FMB) located at the former 47 acre
Santa Fe East Dallas Yard immediately southeast of the Dallas CBD. DART is in the
process of design and construction of a super light rail vehicle (SLRV) to provide level
boarding. The current fleet will be modified to SLRV's. With the next expansion this
facility will accommodate 115 vehicles.
The vehicle fleet will expand to 140 SLRV's with the addition of the Southeast and
Northwest Corridor lines. The fleet will again expand to 163 SLRV's with the addition of
the Irving/DFW and Rowlett lines. With the expansion of the SOC Phase III corridor, the
fleet will total approximately 170 SLRV's. Since the current S&l Facility will accommodate
115 vehicles after its expansion, this leaves approximately 55 vehicles to be maintained
and stored at the future rail operating facility with the desired plan for expansion of 20
additional vehicles for growth. The event that will create the need for this new facility is the
start of operations on the Northwest Corridor to Farmers Branch and Carrollton.
A detailed Site Selection Study determined that the new facility should remain adjacent to
the Northwest Corridor line and as close as possible to the Irving/DFW branch near
Northwest Highway to promote operational efficiencies and to minimize deadhead travel
time for Super LRT vehicles.
The facility will be designed to accommodate a two story Service and Inspection (S&l)
building of 73,000 square feet and a one story Ways Structures Amenities (WSA) building
of 38,500 square feet. Rail access to the site will be via a pocket (grade) track between
the northbound (elevated) track and the southbound (at grade) track. Yard flow is in a
progressive circular pattern with sixteen (16) double-ended storage tracks. Storage
capacity of the site will accommodate 75 super LRV's. The site also contains a two-track
cleaning platform sized for 3-car super LRV's, a vehicle washer and a non-revenue (rubber
tire) washing station. The S&l building will have four tracks for periodic maintenance that
can accommodate two super LRV's per track. A fifth track will be for wheel truing. On-site
parking will accommodate approximately 200 private vehicles and 30 DART vehicles
mostly located near the main gate to decrease the frequency of cross circulation with the
yard rail tracks.
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15.2
CONTRACT UNIT DESCRIPTION
15.2.1
Scope
There is to be a CM/GC contract for this element. The contract consists of the
demolition of existing structures, the removal of several streets and utilities, the
reconfiguration of an existing street, the construction of new water/wastewater
lines, an extensive drainage system with a detention pond, catenary pole
foundations, a cleaning platform, car wash, non-revenue car washer, parking for
approximately 230 vehicles, an S&l building and a WSA building.
15.2.2
The work for this contract includes the following:
> Demolition of 25 structures
> Demolition of existing streets
> Reconfiguration of an existing street
> Clearing and grubbing
> Grading, drainage and paving
> Earthwork
> Water and sewer utility work
> Minor structures and retaining walls
> Curbs, gutters, sidewalks and driveways
> Ducts, conduits, manholes and pull boxes
> Pavement markings
> Substation sites and catenary pole foundations
> Signal case and signal house site work
> Maintenance of traffic
> Corrosion control measures
> Installation of traffic regulatory signs and traffic signals
> Two story 73,000 square foot S&l building
> One story 38,500 square foot WSA building
> Security fencing
> Site illumination
> Traction Electrification System
> Signal System
> Communications System
> Track Installation
Work items not included are:
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> Utility relocation TXU ELECTRIC, SBC, TXU GAS, COMCAST Cable,
MFS and AT&T
> Track material procurement
> Hazardous material clean up
15.2.3
Contracting Process
The CM/GC will be procured through the Request for Proposal (RFP) process.
Once the proposals are received they will be evaluated and scored for selection by
DART. The selected CM/GC will enter into an agreement with DART to provide
pre-construction services and, upon agreement of a Guaranteed Maximum Price
(GMP) construction.
15.2.4
Contract Cost
The contract costs associated with this element are contained within the DART
LRT Project Budget Book (a separate document).
15.3 ENGINEERING PLAN
15.3.1
Principal Design Considerations
15.3.1.1 General
15.3.1.2 Civil and Architectural design elements are in accordance with
DART's Design Criteria.
15.3.1.3 The design complies with all local, state and federal jurisdictional
codes and standards, including ADA Regulations.
15.3.1.4 The design and construction timeline incorporates all of the final
Environmental Impact Statement (FEIS) recommendations for
environmental mitigations as well as the DART Board's desire to
maintain the Service Schedule.
15.3.1.5 The design is coordinated and consistent with the following
engineering elements:
15.3.1.6 Vehicles; Traction Electrification; Signals; Communications; and
Track;
15.3.1.7 The design provides for ease and economy of maintenance.
15.3.1.8 The design is cost effective.
15.3.1.9 The design will leave as many of the existing trees and as much of the
existing vegetation undisturbed as possible.
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15.3.1.10Coordinate design with NW-3 corridor.
15.3.1.11 Alignment
15.3.1.11.1 The yard track access to the mainline section of NW-3 via
a pocket track.
15.3.1.11.2 The yard track geometry is designed for access to the
mainline with no adverse impact of track operations at 65
mph.
15.3.1.12Roadway
There will be no street track crossings. One existing street will be
reconstructed and reconfigured for industrial use to accommodate
access to the site and access for property north of the facility.
15.3.1.13Drainage
An extensive site underdrain system is required with linkage to a
detention pond that will link via RCP to Joe's Creek.
15.3.1.14Structures
15.3.1.14.1 Construct a new cleaning platform near the entry to the
yard.
15.3.1.14.2 Construct a new car washer and non-revenue car washer
near the east side of the site.
15.3.1.15Parking
Construction parking lots for approximately 200 vehicles and 30
DART vehicles. The majority of the parking is to be mostly located
near the main gate to decrease the frequency of cross circulation with
the yard rail tracks.
15.3.1.16Buildings
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Construction a new two story (S&l) containing approximately 73,000
square feet for periodic maintenance and wheel truing. This building
is located near the central eastern part of the site and will be served
by five tracks. Four of the tracks will accommodate two super LRV's
each. The fifth track is for wheel truing. The functions of this building
include administration/management, facilities maintenance, material
control, vehicle service, vehicle maintenance, and hazardous material
control and rail operations. More extensive work such as secondary
maintenance, paint and body shop and other major component
overhauls will not be performed at this facility, but at the Central S&l
facility.
Construct a new one-story (WSA) building containing approximately
38,500 square feet. This building is located near the northwest
portion of the site. The functions of this building include general repair
of components removed from depots, wayside equipment stations,
tunnels, etc., storage for shop tools and equipment, material storage,
support facilities for personnel, administrative and maintenance
support and storage of equipment for maintenance of track, buildings
and grounds and electronic/electrical items.
A comprehensive description of the spaces and detailed functions for
both buildings is delineated in the Northwest Rail Operating Facility
Design Concept Report, dated November 15,2002.
15.3.1.17 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria and local jurisdiction criteria.
15.3.1.18Traction Electrification
> Substations will be located on site for building and yard.
> The Overhead Contact System, including feeders will be
provided by the CM/GC.
15.3.1.19 Fare Collection
Not applicable
15.3.1.20Track
Track is installed as part of the CM/GC contract. Principal design
considerations are listed within the EWP section, Track.
15.3.1.21 Signals
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The wayside equipment in support of the cab signal system along with
interlockings will be provided by the CM/GC.
15.3.1.22 Communications
Ductbanks are installed at key locations in the yard, which extend
from the mainline. This initial installation will facilitate further
extension of the ductbank system without disruption of LRT
operations and patrons.
CIC's, manholes, cable troughs,
communications houses, telephones, and alarms are installed in on
the CM/GC contract.
15.3.1.23 Landscaping
Landscaping is installed under the CM/GC contract. Principal design
considerations are listed within the EWP section, Landscaping.
15.3.2
Design Participants
The design of this operating facility is performed by the GEC under the technical
supervision of DART's Project Manager. Input is derived from other engineering
elements (including Vehicles, Traction Electrification, Signals, Communications,
Traffic Signs and Signals, Track, Stations and Line Section NW-3), City of Dallas
and local Utilities.
15.3.3
Engineering and Construction Tasks
15.3.3.1 Prepare final design including design reports and calculations.
15.3.3.2 Prepare and update design criteria, standard and directive drawings
and specifications.
15.3.3.3 Prepare project schedule, milestones and contract unit descriptions.
15.3.3.4 Update preliminary cost estimates.
15.3.3.5 Prepare work program.
15.3.3.6 Provide all surveys required to support design, real estate acquisition
and construction activities.
15.3.3.7 Coordination, investigation and clean up of hazardous material.
15.3.3.8 Incorporate track alignment plan, profile and typical sections.
15.3.3.9 Perform all necessary soils explorations and analyses.
15.3.3.10Develop typical roadway sections and proposed pavement design.
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15.3.3.11 Design drainage system.
15.3.3.12 Identify impacted utilities and coordinate utilities relocation process.
15.3.3.13Coordinate design with other engineering elements.
15.3.3.14 Prepare preliminary plans and cost estimates and conduct review,
15.3.3.15 Review Value Engineering report.
15.3.3.16 Prepare in-progress plans, specifications and cost estimates.
15.3.3.17 Prepare pre-final plans, specifications and cost estimates.
15.3.3.18 Prepare final plans, specification and cost estimates.
15.3.3.19Prepare final operating facility zoning application.
15.3.3.20Secure necessary approvals.
15.3.3.21 Issue request for proposal and conduct pre-proposal conference.
15.3.3.22Evaluate proposals, award contract and issue notice to proceed.
15.3.3.23 Review construction schedule and submittals.
15.3.3.24Prepare inspection and testing plan.
15.3.3.25 Perform construction management services.
15.3.3.26 Monitor adherence to schedule and budget.
15.3.3.27 Process CR's, change orders and SA's.
15.3.3.28 Review and process progress payments
15.3.3.29 Prepare contract status reports.
15.3.3.30 Coordinate with follow-on Systems and track installation.
15.3.3.31 Prepare construction contract punch list.
15.3.3.32 Prepare final inspection report.
15.3.3.33 Verify "as-built" drawings.
15.3.3.34 Prepare and issue notice of acceptance.
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15.3.3.35 Perform contract close out and necessary documentation.
15.4 INTERFACE
15.4.1
Design
15.4.1.1 Vehicles
a) Input required from Vehicles includes physical dimensions,
clearance envelope and operating characteristics.
b) Output provided to Vehicles includes civil clearance and track
geometry.
15.4.1.2 Traction Electrification
a) Input required from Traction Electrification includes
underground conduit requirements, substation locations,
catenary pole locations and foundation design.
b) Output provided to Traction Electrification includes track
alignment and soils reports for catenary pole foundation and
substation slab design.
15.4.1.3 Signals
a) Input required from Signals includes location of crossing
gates (if applicable), signal equipment, pull boxes and conduit
requirements.
b) Output provided to Signals includes track alignment, grade
crossing locations and yard layout.
15.4.1.4 Communications
a) Input required from Communications includes location of yard
PA speakers and CCTV (future), manholes, communication
bungalows and equipment and routing of conduits.
b) Output provided to Communications and yard configuration
and elements appropriate for equipment placement.
15.4.1.5 Fare Collection
a) Not applicable
15.4.1.6 Track
a) Input required from Track includes track alignment, track
design, drainage and grade crossing design.
b) Output provided to Track is roadway design requirements.
15.4.1.7 Line Section NW-3
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a) Input required from Line Section NW-3 is track alignment,
grading, drainage and conduit design at the contract limit
area.
b) Output provided to Line Section NW-3 is conformed plans
and/or as-built plans if available.
15.4.1.8 City of Dallas
a) Input required from the City of Dallas involves design review
and approval of contract plans and specification.
b) Output design output provided to the City of Dallas in the form
of preliminary, in-progress, pre-final and final plan and
specification documents for their review.
15.4.1.9 Utilities
a) Input required from various utility owners (gas, water, cable,
electrical phone, sewer) regarding location of existing facilities
and a plan and schedule for relocating conflicting utilities
b) Output provided to utility owners includes plan and profile
design, identification of utilities requiring relocation and a
proposed construction schedule.
15.4.1.10Corrosion Control
a) Input required from Corrosion Control involves design review
of relocated utilities for stray current protection.
b) Output provided to Corrosion Control includes plans for
utilities to be relocated.
15.4.1.11 Grounding (TBD)
15.4.1.12Traffic Signals and Signs
With the exception of traffic signs entering and leaving the site, all
traffic signals and signs are internal to the site. Input required from
City of Dallas regarding traffic signs leaving the site. All other traffic
signals and signs are internal to the site and as such are on DART
property.
15.4.1.13 Art and Design Program
Not applicable
15.4.2
Construction
15.4.2.1 Traction Electrification
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Provide and install all Traction Electrification elements (Overhead
Contact System, feeders, and shop TPSS) and appurtenances with
the exception of the yard TPSS.
15.4.2.2 Signals
Provide and install all Signals elements (wayside equipment in
support of Cab Signal System, and interlockings) and appurtenances
with the exception of the Car Borne Cab Signal Equipment.
15.4.2.3 Track
Track materials are procured under separate contract and supplied to
the CM/GC for installation.
15.4.2.4 Operations
The construction activities at the line section NW-3 must be closely
coordinated with DART operations.
15.4.2.5 City of Dallas
The City of Dallas is kept apprised of construction progress in order to
provide any required inspection services.
15.4.2.6 Utilities
All underground utilities are designed or relocated in accordance with
DART Design Criteria, a local jurisdiction criterion.
The utilities relocation plans and schedules must be coordinated with
the construction schedule in order to avoid delays to either party.
15.4.2.7 Fare Collection
Not applicable.
15.4.2.8 Communications
Provide and install all Communications elements (CIC, manholes,
troughs, communication houses, telephones, and alarms) and
appurtenances with the exception of the OCC Modifications and
Radio Systems.
15.4.2.9 Traffic Signals and Signs
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Install signals, mast arms, poles, controllers, pull boxes, conduit,
wires, detectors and call buttons for activation at all side streets,
where required.
15.4.2.lOLandscaping
Landscaping and irrigation materials are procured and installed under
the CM/GC contract.
15.4.3
Agency Agreements
15.4.3.1 City of Dallas - Plan reviews, building permits, code compliance,
storm sewer connections, and Design and Construction Interlocal
Agreement.
15.4.3.2 TXU Electric - Utility adjustment agreements and electrical service
connections for station amenities and lighting.
15.4.3.3 SBC - Utility adjustment agreements and telephone service
connections.
15.4.3.4 TXU Gas - Utility adjustment agreements.
15.4.3.5 Comcast Cable - Utility adjustment agreements.
15.4.3.6 Texas Commission on Environmental Quality (TCEQ) Hazardous
material remediation plan review and verification of remediation effort.
15.5
CONSTRUCTION PLAN
The CM/GC is to remove all structures and streets to natural ground, perform all remaining
demolition and site clearing. The CM/GC then performs utility relocations, grading,
drainage, ductbanks, paving, erection of S&l and WSA buildings, vehicle parking lots, street
construction, traffic signals, signs and pavement marking.
After the site is graded, utilities installed, drainage system installed, paving and buildings
completed, the CM/GC will install the LRT track for the yard and linkage to the mainline and
install the Overhead Contact System (OCS), Signal System, and Communications System.
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16.0 TRACKWORK
Project Manager: Nathan Frumkin
Assistant Vice President - Facilities Engineering: Eduardo Ugarte
Design Consultant Support: ACT 21
Construction Engineering Manager: Various
Resident Construction Manager: Various
Construction Contractor: Various
16.1 OVERVIEW
The track for the Light Rail Build out Phase II-A extends south on the Southeast Corridor
from the CBD Pearl Station to the Buckner Station and north from the Victory Station on the
Northwest Corridor to the Frankfort Station.
Tie and Ballast track is used in all corridors except for aerial structures, which use direct
fixation track, and two short sections of SE-1, which will be embedded transit mall type
trackwork.
Northwest Rail Operations Facility will utilize tie and ballast track for the new yard tracks and
embedded track in the shop buildings.
Track materials, i.e., 115 RE continuous welded rail (CWR), concrete ties, special trackwork
inclusive of wood switch ties and direct fixation rail fasteners are obtained under separate
procurement contracts and then provided to the CM/GC for installation. The 115 RE/CWR
and concrete ties will be stored along the Southeast, and Northwest Corridors. The
procurement Contractors are responsible for providing materials, delivery, unloading and
placing into storage all materials.
New 115 RE/CWR is used for the new tracks in the NWROF yard and Shop Buildings.
Concrete ties are used throughout on the tie and ballast sections except for switches and
crossovers. Concrete ties are to be utilized throughout NWROF yard.
16.2
ENGINEERING PLAN
16.2.1
Principal Design Considerations
16.2.1.1 Track is designed in accordance with the DART Design Criteria
Manual.
16.2.1.2 115RE rail is utilized.
16.2.1.3 Track consists of proven, service tested, easily replaceable and
available components.
16.2.1.4 Track design provides for the ease and economy of maintenance.
16.2.1.5 Track is compatible with other engineering elements, particularly Line
Sections, Signals, Electrification and the Vehicle (special attention is
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given to rail/wheel interface). Also see EWP Section, for NWROF
Facility yard design considerations.
16.2.2
Design Participants
The design of Track is performed by the General Engineering Consultant (GEC)
under the technical supervision of the AVP of Facilities Engineering and in
coordination with other engineering elements of the Light Rail Build out.
16.2.3
Engineering Tasks
16.2.3.1 Review Project Definition Designs for all line section and the NWROF
Facility.
16.2.3.2 Prepare and update design criteria.
16.2.3.3 Prepare project schedule, milestones and contract unit descriptions.
16.2.3.4 Update preliminary cost estimates.
16.2.3.5 Prepare work program.
16.2.3.6 Coordinate Design elements.
16.2.3.7 Coordinate with Public Agencies.
16.2.3.8 Prepare track alignment for all line sections.
16.2.3.9 Welded Rail Procurement Contract.
a)
b)
c)
d)
Prepare welded rail procurement contract
Provide technical assistance during bid process
Provide inspection services during fabrication
Accept rail
16.2.3.10Concrete Tie Procurement Contract
a)
b)
c)
d)
Prepare Tie Procurement Contracts
Provide technical assistance during bid process
Provide inspection services during fabrication
Accept Ties
16.2.3.11 Special Trackwork and Concrete Tie Procurement Contract
a)
b)
c)
d)
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Prepare Procurement Contract
Provide technical assistance during bid process
Provide inspection services during fabrication
Accept special trackwork and wood ties
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16.2.3.12 Direct Fixation Fastener Procurement Contract
a)
b)
c)
d)
Prepare Direct Fixation Fastener Procurement Contract
Provide technical assistance during bid process
Provide inspection services during fabrication
Accept Direct Fixation Fasteners
16.2.3.13 Prepare Track plans and specifications and incorporate them into a
construction package for the CM/GC Contract.
16.2.3.14 Proceed through the procurement process.
16.2.3.15 Review construction schedule, shop drawings safety plan and other
Contractor submittals in terms of Track.
16.2.3.16Conduct construction oversight and inspection procedures relative to
Track. Prepare reports as required.
16.2.3.17 Prepare and process changes notices and change orders relative to
Track.
16.2.3.18 Review and Process Progress Payment Applications.
16.2.3.19 Prepare punch lists for Track.
16.2.3.20 Perform final inspection of Track.
16.2.3.21 Accept Track.
16.2.3.22 Verify "As Built" drawings.
16.2.3.23 Perform contract close out for Track.
16.2.3.24 Prepare trackwork maintenance plan and assist in the procurement of
track maintenance equipment.
16.2.3.25 Assist in preparation of the operations plans and operator's rulebook.
16.2.3.26 Assist in system start-up.
16.2.3.27 Provide engineering support for maintenance and operations.
16.3 CONTRACT UNIT DESCRIPTION
16.3.1
Scope
Individual procurement contracts are issued for Concrete Ties, Welded Rail,
Special Trackwork including Wood Ties and Direct Fixation Rail Fasteners.
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16.3.2
Contracting Process
16.3.2.1 Trackwork materials
A conventional single-step bidding process is used. The lowest
responsive, responsible bidder is awarded each procurement contract in
accordance with DART Procurement regulations and FTA guidelines
16.3.2.2 Trackwork Installation
These items are the responsibility of CM/GC The items will be included
in the construction scope negotiated during the development of the
Guaranteed Maximum Price (GMP) for the CM/GC contract.
16.3.3
Contract Cost
The contract cost associated with this element is contained within the DART
Project Budget Book.
16.4
INTERFACE
The track system and its various elements interface very closely with virtually all other
areas of the Light Rail Buildout.
16.4.1
Design
16.4.1.1 Vehicles
16.4.1.2 Track and Vehicle design must be fully coordinated with the vehicle,
especially in the area of the rail/wheel interface.
16.4.1.3 NWROF
Track must be designed and coordinated for the yard and NWROF
Facility.
16.4.1.4 Line Sections
Track must be compatible and coordinated with the physical elements
of the line sections. Conversely, the physical elements of the line
sections such as drainage systems, sub-grade, etc., must be
compatible with and supportive of the track system.
16.4.1.5 Stations
Track must interface with station platforms and crosswalks. The
platform must provide adequate clearance and drainage for the track
structure. Crosswalks must provide safe passage for pedestrians
over the track and do not conflict with neither the track nor the LRT
vehicle.
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16.4.1.6 Signals/Operations
The design of track and the actual location of special trackwork are
driven by operations criteria and Signals requirements such as speed
limits, stopping distances, length of sidings, and locations of
crossovers and on-line storage tracks.
The design of track hardware such as insulated joints, head block ties
and switch stands depend on input from Signals for their location and
required usage.
Track alignment design and super elevation depend upon specified
speed limits and intended track usage requirements provided by
Systems Integration.
16.4.1.7 Traction Electrification
Input for cross-and-power-bonding is required from Traction
Electrification, as this work is a part of track construction. The rails
serve as the return current pat for Traction Electrification.
16.4.1.8 Cities of Dallas, Farmers Branch, and Carrollton.
Track design must be coordinated with local jurisdictions to ensure
compatibility with existing and proposed streets, road crossings, cross
walks and other physical elements. Also, determination of permissible
road closure times for the installation of track is required.
16.4.2
Construction
16.4.2.1 Other Engineering Elements
16.4.2.1.1 Vehicles
Track construction must be completed prior to testing
vehicles thereon.
16.4.2.1.2 NWROF
The NWROF Facility CM/GC will install the track in the
yard and the shop.
16.4.2.1.3 Line Sections
Track is installed as part of the CM/GC contracts for the
Southeast and Northwest corridors.
16.4.2.1.4 Stations
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Special provisions are made to coordinate the CM/GC
during construction with Vehicle testing, Traction
Electrification installation, Signals installation and for work
train operations by the CM/GC during the final stages of
construction and turnover.
16.4.2.1.5 Signals
The CM/GC will install insulated joints..
16.4.2.1.6 Traction Electrification
Track must be in place prior to Traction Electrification
work being performed.
16.4.2.1.7 Cities of Dallas, Farmers Branch, and Carrollton.
Track construction through road crossings and in city
streets must be coordinated with local jurisdiction.
16.5 CONSTRUCTION/PROCUREMENT PLAN
16.5.1
Track Materials
Track Materials used such as 115 RE/CWR and concrete ties are procured under
separate contract and will be stored at sites along the Southeast, and Northwest
Corridors. Special trackwork and direct fixation fasteners are procured under
separate contracts and will be delivered to the Hickory Street Storage Facility. 115
RE/CWR and concrete ties will be delivered to approved storage areas on the
Corridors. Concrete tie hardware will also be delivered to and stored at the
Hickory Street Storage Facility. The procurement Contractors are responsible for
providing materials, delivery, unloading and placing into storage, which is inclusive
of site preparation.
16.5.2
Track Construction
Track construction is performed under the CM/GC contracts.
The sequencing of track construction for Corridors is dependent on the
construction schedules and the location of the 115RE CWR storage sites.
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17.0 ART AND DESIGN PROGRAM
Project Manager: Craig King
Assistant Vice President - Project Engineering: Eduardo Ugarte
General Engineering Consultant: ACT 21
Construction Coordinator: TBD
Contractors: TBD
17.1
OVERVIEW
The Art and Design program requires that artists, architects, landscape architects, and
engineers collaborate throughout the initial phase of the design of each station, along with
the input of site specific (neighborhood) committees, in order to integrate and incorporate
materials selection, colors, patterns, landscaping, spatial considerations, and overall
design approach to produce an artistic contextual identity for each station.
Initially, DART engineering staff and the systemwide artist consultant review the stations or
facilities at the preliminary level of design to recommend art opportunities with a
systemwide approach. Engineering staff will supervise the identification of potential art
projects and assist in the identification of areas where art could be used to provide
successful environmental mitigation.
At the final design level, the Design Artist working in collaboration with the Architect,
Engineer and Landscape Architect along with the Site Specific Community Committee
provides integration of artistic expression into certain design elements of each station. The
task of creating a unique and site-specific station through the use of materials, colors and
patterns is accomplished with the finished budget assigned to each individual station.
After final design and once the Site Specific Committee select the site or location for the
commissioned art piece, a commissioned Artist is selected. The commissioned art piece is
in direct response to the "Artistic Value Statement" prepared during the final design. A
selection panel made up of members from the design team and members from the sitespecific community committees selects the commissioned art piece. The selection of this
artwork is based on artistic qualifications only and not on price. The commissioned piece
is based on the art budget for each individual station.
DART engineering staff coordinates all artists, the design consultants, construction
Contractors and other DART staff to ensure the successful integration of the Art and
Design Program and Art Project in the overall facility, design schedule, construction
schedule and budget.
17.2
DESIGN PARTICIPANTS
The Station Design Artist under the technical supervision of the GEC and DART's Project
Manager performs the work pertaining to the Art and Design Program. In addition, there
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are two committees, which have been organized to provide the broadest range of
community input and support for the DART Art and Design Program:
17.2.1
The Art Advisory Committee is comprised of experts in the art and/or design field
such as artists, curators, educators and administrators, architects, urban
designers, art or design critics, community/business representatives, and others.
(The DART Board initially appoints Art Advisory Committee members for a twoyear term; and committee members nominate and approve replacements).
17.2.2
The Systemwide Lead Artist Consultant assists the Project Manager in the
implementation of the DART Art and Design Program by providing an artist's
perspective and vision from the conceptual station design phase through the final
design phase of all stations. The systemwide lead artist consultant shall:
Participate in the preliminary design of station elements and develop possible
systemwide opportunities for art that will maximize the effectiveness of the finished
budget, along with the public art budget through the integration of art with sitespecific architecture and landscape design.
Recruit new local artist for the role of station artist and provide guidance and
direction to artist during final design phase.
Assist each station design artist in the involvement and implementation of the
design process of each station by identifying art opportunities and addressing
specific community concerns.
Participate as a member of the Art Advisory Committee and assist in general
presentations about the Art and Design Program.
Assist in the commissioning of art projects during the solicitation process by
serving as advisory and/or voting member in selection panels.
17.2.3
The Site Specific Committee is comprised entirely of residents, educators,
neighborhood representatives or business people from the adjacent area in which
a facility is located. (Site-specific committee is selected by DART Community
Affairs, the Station Design Artist and approved by DART staff).
17.2.4
The Station Design Artist provides input into the design of each station/site in an
effort to better reflect the Site Specific Art Committee's input. The Section Design
Artist is responsible for:
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Working as part of the Section Design Team as a collaborator in the design of that
specific station/facility in order to achieve a unique and community based station
design.
Working with the Architects, Engineers, and Landscape Architects along with Site
Specific Committee in identifying the specific area within each site that is to be the
location for the commissioned art piece.
Writing the Artistic Value Statement, which reflects the history, character, values,
and concerns of the specific stations or facilities.
17.2.5
The Commissioned Artist creates and installs specific art projects in and/or around
the station or facility. The Commissioned Artist is responsible for:
Submitting proposals in response to and in accordance with the Artistic Value
Statement and the Request for Proposals (RFP) process which is reviewed by a
selection panel;
Obtaining and making the appropriate changes to his/her proposal in order to
obtain any and all required approvals by DART, local entities, and any city permits.
Coordinating the installation of the Art Project with DART into the construction
phase of the station or facility and to ensure the protection of the piece until the
facility is open for operations.
Working under direct contract to DART in producing and installing a specific work
of art for the station or facility.
Ensuring that no damage is made to the property during installation and to discard
any trash or debris as a result of the installation.
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18.0 LANDSCAPING
Project Manager: Craig King
Assistant Vice President - Project Engineering: Eduardo Ugarte
General Engineering Consultant (GEC): ACT 21
Construction Engineering Manager: Various
CM/GC: Various
18.1 OVERVIEW
Landscape construction will be the responsibility of the respective CM/GC in Buildout
Phase II-A. Final design will proceed in accordance with the development schedule of each
line section project. Landscaping for CM/GC contracts will be assembled as follows:
CM/GC-1:
CM/GC-2:
CM/GC-3:
SE-1 and ,SE-2, and NW-1B
NW-2, NW-3, and NW-4
NWROF
18.2 LINE SECTION LIMITS
The approximate limits of each line section are as follows:
Line Section SE-1: Line Section SE-1 extends from the east end of the CBD to east of
Hatcher.
Line Section SE-2: Line Section SE-2 extends from east of Hatcher Street just east of
Buckner Road.
Line Section NW-1: Line Section NW-1 extends Houston Street to just south of Bomar
Avenue.
Line Section NW-2: Line Section NW-2 extends from south of Bomar Avenue to north of
Community Drive.
Line Section NW-3: Line Section NW-3 extends from north of Community Drive to north of
Valley View Lane.
Line Section NW-4: Line Section NW-4 extends from north of Valley View Lane to south of
Frankford Road.
18.3 LANDSCAPING
Traction Power Substation sites within DART right-of-way are exempt from landscaping
requirements however may require screening at residential adjacencies and at visually
sensitive locations. Traction Power Substation is considered utilities. Landscape
requirements at Traction Power Substations located outside the DART right-of-way may
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require landscaping based on adjacencies and zoning conditions.
Substation locations are yet to be determined.
Traction Power
Locations:
SE-1: Landscaping is proposed for the Baylor, Fair Park, MLK and Hatcher stations.
Landscaping will also be provided at the Good Latimer corridor as part of the streetscape
plan. Landscape screening will be provided at those Traction Power Substations that are
adjacent to the residential areas and at areas requiring visual mitigation adjacent to
residential land uses.
SE-2
Landscaping is proposed for the Lawnview, Lake June and Buckner stations.
Landscape screening will be provided at those Traction Power Substations that are adjacent
to the residential areas and at areas requiring visual mitigation adjacent to residential land
uses.
NW-1 Landscaping is proposed for the Market Center, Parkland and Inwood stations.
Landscape screening will be provided at those Traction Power Substations, which are
adjacent to the residential areas.
NW-2 Landscaping is proposed for the Brookhollow and Bachman stations. Landscape
screening will be provided at those Traction Power Substations, which are adjacent to the
residential areas.
NW-3 Landscaping is proposed for the Walnut Hill, Royal Lane and Farmers Branch
stations. Landscape screening will be provided at those Traction Power Substations, which
are adjacent to the residential areas.
NW-4 Landscaping is proposed for the Carrollton Square, Trinity Mills and Frankford
stations. Landscape screening will be provided at those Traction Power Substations, which
are adjacent to the residential areas.
NWROF: Landscaping is proposed for the Northwest Rail Operations Facility as part of the
construction for this facility.
18.4
MITIGATION LANDSCAPING
SE-1:
Unknown at this time
SE-2:
Unknown at this time
NW-1:
Unknown at this time
NW-2:
Unknown at this time
NW-3:
Unknown at this time
NW-4:
Unknown at this time
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Mitigation shall consist of fencing and/or flagging all the wetlands to ensure that these areas
are not encroached upon, removing the minimum amount of vegetation upstream and
downstream of the wetlands and replacing disturbed areas with vegetation and soil equal to
or of higher quality than what was displaced. Close coordination with the US Army Corps of
Engineers is required.
DART will replace protected tree species, having a diameter of 8-inches or more, that are
located outside DART's ROW and were disturbed by grading or construction activities.
Close coordination with the City of Dallas Arborist Division will be required to inventory and
identify the extent of replacement.
18.5 VISUAL MITIGATION AS REQUIRED BY NEPA AND CORRIDOR ENVIRONMENTAL
IMPACT STATEMENT
18.6
18.7
SE-1:
Unknown at this time
SE-2:
Unknown at this time
NW-1:
Unknown at this time
NW-2:
Unknown at this time
NW-3:
Unknown at this time
NW-4:
Unknown at this time
BETTERMENT'S LANDSCAPING
SE-1:
Unknown at this time
SE-2:
Unknown at this time
NW-1:
Unknown at this time
NW-2:
Unknown at this time
NW-3:
Unknown at this time
NW-4:
Unknown at this time
INTERFACE
Landscape plans for each of the stations in the Cities of Dallas, Farmers Branch, and
Carrollton will be submitted to the respective Cities for approval.
Landscape plans will be coordinated with the system designers.
18.8
CONSTRUCTION PLAN
Landscaping elements will be provided by the respective CM/GC contracts
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