October 17, 2023
NOTICE TO OFFERORS
ADDENDUM NO. 1
RFQ 627791
The following changes and/or additions shall be made to the original for the Invitation for
Bid (IFB) for the Systimax Cabling Services, RFQ 627791. Please acknowledge receipt
of this addendum by signing and returning with your proposal.
1.
Attached are the questions and answers received in response to the
solicitation.
2.
Section 4.1 is deleted in its entirety and replaced with the following:
4.1
3.
The County has approximately 114 facilities which include: Libraries,
Public Safety Centers, Community Centers, and Park facilities. The
current cabling standard for the County is Systimax using CAT 5e and
CAT 6. These standards are documented in Loudoun County Cabling
Standards which are provided as Attachment I in the attached
document to this Addendum 1.
Section 6.4.A is deleted in its entirety and replaced with the following:
A.
Cable installation shall conform to Systimax certification requirements
and the then current County cabling standards are provided as
Attachment I in the attached document to this Addendum 1.
Prepared By: Jeanette Alexander____________
Jeanette Alexander, Contracting Officer
Date: October 17, 2023
Acknowledged By:
Date:
QUESTIONS AND ANSWERS
Q1.
Are there any specific licensing or bonding requirements that potential offerors
must meet to respond to this solicitation? If so, please provide details on the
necessary licenses, certifications or bonding requirements.
A1.
Q2.
Who is the current incumbent contractor for this project and how long has the
incumbent been providing services for this project? What was the award amount
for the previous contract?
A2.
Q3.
No there are not any specific cost constraints or expectations
potential bidders should consider in their bid.
Describe any challenges or issues experienced with incumbent contractor’s
performance.
A5.
Q6.
No, there have not been any significant changes in project scope. The
County cannot provide a specific budget amount as these funds come
from the two different project budgets.
Are there any specific cost constraints or expectations potential bidders should
consider in their proposal?
A4.
Q5.
Building Infrastructure Group was awarded this project in 2013 under
Contract QQ1802 and again in 2019 under Contract #RFQ 42272. The
amount of the contract award for 2019 was $1,304,644.62.
Have there been any significant changes in project scope that may impact the
budget for this project? What is the allocated budget range for this project?
A3.
Q4.
Commonscope Systimax Certification is required.
The County is required by the Virginia Public Procurement Act to
advertise all services after the expiration of the contract and this
contract will expire on December 31, 2023.
Are there any specific areas you would like to see improvements in the services
provided?
A6.
No.
IFB RFQ #627791 Systimax Cabling Service
Addendum No. 1
Page 2 of 2
Attachment I
LOUDOUN COUNTY
CABLING DESIGN
STANDARDS
UPDATED MAY 24, 2023
I.
PURPOSE OF STANDARD ......................................................................................................................... 3
II.
RESPONSIBILITIES.................................................................................................................................. 3
II.1
Management of the County Information Cable Plant, both exterior and interior; ........................................ 3
II.2
Coordination of all Cable Plant installation, maintenance and plant records; and ....................................... 3
II.3
Provision of EIA Cabling for New Service Relocation Services and Changes In Existing Services for
County owned and leased space. ........................................................................................................................... 3
III.
DETAILS OF THE CABLING STANDARD ............................................................................................ 4
III.1
COUNTY OWNED SPACE ..................................................................................................................... 4
III.2
COUNTY LEASED SPACE ..................................................................................................................... 9
IV.
XX)
LIST OF SYSTIMAX® SCS MAJOR COMPONENTS AS OF OCTOBER, 2018(SEE ADDENDUM
ERROR! BOOKMARK NOT DEFINED.
V.
CABLE INSTALLATION REQUIREMENTS ........................................................................................... 9
V.1
Work Covered. ........................................................................................................................................ 10
V.2
Securing Cables. ..................................................................................................................................... 10
V.3
Quantity of materials. .............................................................................................................................. 10
V.4
Coordinate project phasing. ..................................................................................................................... 10
V.5
Repair of existing construction. ............................................................................................................... 11
V.6
Contractor must provide accurate cable records. ...................................................................................... 11
V.7
Final inspection of job. ............................................................................................................................ 11
V.8
Shop Drawings. ....................................................................................................................................... 11
V.9
Specific Installation Requirements - Fiber ............................................................................................... 11
V.10
Specific Installation Requirements - Other .......................................................................................... 12
VI.
VI.2
GENERAL CONSTRUCTION REQUIREMENTS ................................................................................ 15
Cable System Bonding and Grounding ................................................................................................ 13
VII.
TESTING AND ACCEPTANCE ............................................................................................................. 13
VIII.
ACCEPTANCE TESTS ....................................................................................................................... 15
COUNTY OF LOUDOUN
CABLING STANDARD
PURPOSE OF STANDARD
The intent of this cabling standard is to provide a detailed document to be incorporated
into all building design projects, new or rehabilitated, undertaken by the County of
Loudoun and in all Requests for Proposals issued for leased space. The basis of this
standard is EIA/TIA 568-C, 569-A, 606-A, 607 and other current applicable standards.
The purpose of this specification is to ensure that the County of Loudoun is provided
with a standards compliant cabling solution with guaranteed"Channel" performance.
This solution will allow the County of Loudoun to maximize productivity and value by
minimizing down time and maintenance requirements, thus protecting their investment
for 20 years, while still providing for a future migration path to evolving technologies.
RESPONSIBILITIES
The County of Loudoun Department of Information Technology (DIT) has the primary
responsibility for compliance with this standard and provision of information cabling in
existing County buildings, new County buildings and leased County buildings. It will be
the responsibility of DIT to participate in all County Move Committee meetings to insure
adequate information and voice, data, image and video cabling is provided. This
includes coordination with the County Telecommunications Manager to insure adequate
voice cable in conjunction with data cabling for all Moves, New Service and changed
service. This responsibility includes:
1. Management of the County Information Cable Plant, both exterior and interior;
2. Coordination of all Cable Plant installation, maintenance and plant records; and
3. Provision of EIA Cabling for New Service Relocation Services and Changes In
Existing Services for County owned and leased space.
DETAILS OF THE CABLING STANDARD
COUNTY OWNED SPACE
A.
B.
C.
Telephone Company Demarcation Point to Main
Crossconnect/Entrance Room(MC/ER)
1.
Minimum of four (4) each 4” schedule 40 PVC conduits from the telephone room to
telephone company junction point.
2.
Conduits must meet approved bending radius standards
County Owned Communications Underground Ducts, Raceways and
Structures
1.
Furnish and install a minimum of four (4) 4” Schedule 40 PVC conduits. The exact
number of building entrance conduits shall be determined by Loudoun County DIT.
2.
Install a single conductor locating wire in the inner duct conduit with a 14-gauge
solid orange insulated wire for all non-metallic optical fiber cables.
3.
Provide bushings on all conduit terminations.
4.
Provide handholes as necessary with lids that are labeled Communications.
5.
Cloth innerduct shall be installed in each conduit to maximize pathways.
6.
Orange caution tape shall be installed 12 inches above all underground conduits.
7.
No section of conduit shall have more than 180 degree of bends without a
manhole or handhole installed for an access point.
8.
Conduit connections from buildings to manholes or handholes shall be installed
with a minimum of 6 inch fall per 100 feet of conduit towards the manhole or
handhole and sloping away from the buildin
9.
Concrete encasement should be provided at road crossings or vehicle traffic
areas.
Main Crossconnect/Entrance Room(MC/ER).
(For greater room/conduit detail, refer to ANSI/EIA/TIA 569-B.)
1.
Typically one per building, centrally located within the building. If not located on the
ground level, an elevator needs to be available for access.
2.
HVAC environment
a) The room should provide a temperature and humidity controlled environment per
standards. The standard states specifically:
•Temperature: 18-27°C (64-81°F) dry bulb •Maximum relative humidity:
60%
•Maximum dew point: 15°C (59°F) •Maximum rate of temperature change:
5°C (9°F) per hour
b) When placing a standalone cooling unit in this room, it shall be placed above the
door in all cases to prevent water leaking on equipment.
c) No water lines should be permitted through or directly above it; ceiling must be
designed to prevent water run off or spillage onto equipment or cross connect
devices.
d) The floor should be painted or tiled and free of dust generation.
e) Designated walls should be covered in ¾ “fire rated” plywood backer board, one
wall for telephone company, one for voice and one for data.
f)
The room work lighting should be at least 50 candlefoot at lowest work area
height; fluorescent lighting is preferred with sufficient illumination in all four
corners of the room.
3.
Room is for exclusive use of telecommunications equipment; no water or
commercial power is to be distributed through it. All equipment placed in this room
must have written approval from DIT. Unapproved equipment will be removed.
4.
Size: proportional to size of building and/or number of sets/terminals to be
installed with sufficient space for a work desk and a terminal to be installed for
monitoring of on site equipment. Minimum size is 150 square feet or one square
foot for each 100 square feet of floor space. No distance to be less than 10’ in any
direction for proper clearance. Minimum of 3’ clearance around network equipment
must be maintained for access to and maintenance of network equipment.
5.
Electrical requirements: a minimum of two (2) dedicated, 20 amp, isolated ground
circuit terminated in National Electrical Manufacturers Association (NEMA) 5.20R
receptacle on each wall. Typical spacing of receptacles for equipment is a quad
every four feet of wall space. The equipment receptacles shall be served by the
building UPS source (see j). All ups outlets should be wired to building back-up
power, where available. Utility power shall be provided separately with one duplex
outlet per every 50 SF.
6.
RJ45 jack fields will be used for termination of voice and data cables. Voice and
data RJ45 data panels are rack mounted in the center of the floor. Mounting
hardware shall be marked with the following cable identification standards:
a.
floor #,
b.
TR,
c.
directional quadrant (N,E,S,W),and
d.
work station location.
7.
Telecommunications Room (TR) should be situated directly above the Main
Crossconnect/Entrance Room (MC/ER) in a “stacked” configuration when a
building has multiple floors.
8.
Conduit feed to TR (serving horizontal cable runs to station locations):
a. Minimum of three (3) (two active and one spare) 4” conduit from MC/ER to
each TR. Total number of conduits will be relative to the number of devices
projected to be served by the TR.
b. Sections between pull points shall not exceed 100’
c.
No section should contain more than qty (2) 90 degree bends
d. Pull boxes MUST be installed when overall runs exceed 100’.
e. Pull boxes MUST be installed when there are more than qty (2) 90 degree
bends.
f.
9.
Overall fill ratio cannot exceed 40% of conduit space.
The data and telecommunications systems shall be served by the building
generator and uninteruptible power supply (UPS). The generator shall have at
least a six hour capacity and the UPS shall be a minimum of 15 KVA.
10. Ceiling height - The minimum clear height in the room shall be 2.4 m (8 ft) without
obstructions. The height between the finished floor and the lowest point of the
ceiling should be a minimum of 3 m(10 ft) to accommodate tall frames and
overhead pathways.
11. Number of conduit feeds from outside service provider shall be four (4) 4” conduits
from property line to the MC/ER.
D.
Telecommunications Room (TR)
Note: For greater room/conduit detail, refer to EIA/TIA 569-C.
1.
At least one TR per floor, other than the floor with MC/ER; more required if
horizontal wiring runs exceed 90 meters.
2.
All Rooms should be layed out in a stacked configuration with MC/ER and other
TRs.
3.
Size: proportional to size of building and/or number of sets/terminals to be
installed with sufficient space for a work desk and a terminal to be installed for
monitoring of on site equipment. Typical size is approximately 100 square feet.
Under no circumstances should Telecommunications Room be less than (10ft x
10ft). Minimum of 3’ clearance around network equipment must be maintained for
access to and maintenance of network equipment.
4.
In all other respects not listed in this section, the TR shall meet the same
specifications detailed for the MC/ER.
5.
Room is for exclusive use of telecommunications equipment; no water or
commercial power is to be distributed through it. All equipment placed in this room
must have written approval from DIT. Unapproved equipment will be removed.
6.
Each TR shall be connected to the MC/ER by a minimum of one (1) 12 strand
multimode (50/126 micron) fiber and four (4) 25 pair Category 5 UTP cable unless
otherwise specified in bid docuemnts.
7.
Ceiling height - The minimum clear height in the room shall be 2.4 m (8 ft) without
obstructions. The height between the finished floor and the lowest point of the
ceiling should be a minimum of 3 m(10 ft) to accommodate tall frames and
overhead pathways.
8.
The room should provide a temperature and humidity controlled environment per
standards. The standard states specifically:
•Temperature: 18-27°C (64-81°F) dry bulb •Maximum relative humidity:
60%
•Maximum dew point: 15°C (59°F) •Maximum rate of temperature change:
5°C (9°F) per hour
9.
E.
When placing a standalone cooling unit in this room, it shall be placed above the
door in all cases to prevent water leaking on equipment.
MC/ER and TR Distribution to Office/Workstation.
Note: The following wiring systems description addresses horizontal/workstation and
riser cable between closets.
1.
Description of Standard Wiring Systems and Associated Components:
a.
A structured/universal wiring system (SYSTIMAX® SCS) shall be used for
interconnecting telephones, voice/data switches, local area networks
(including personal computer and associated peripherals) and fax machines.
These systems must have access to outside networks.
The wiring system, including both copper and fiber optic applications (in
compliance with ANSI/EIA/TIA 568-C.1, C.2 and C.3 (Commercial Building
Wiring Standard) and the Category 6 standard, shall utilize a set of
subsystems to create a full cabling infrastructure within each building which
can be quickly reconfigured to adapt to changes in technology or the user’s
environment. Vendors must use SYSTIMAX certified installers or active
Business Partners in good standing, and provide system certification for
SYSTIMAXSYSTIMAX SCS and a 20 Extended Product Warranty and
Application Assurance Program, hereafter referred to as SYSTIMAX SCS
warranty.
b.
2.
The basis for the cabling system design is the SYSTIMAX Structured Cabling
System (SCS), Its components and Application guides. SYSTIMAXThe entire
SCS system is protected by a transferable Twenty (20) year physical
component warranty that includes applications and labor.
The SYSTIMAX SCS structured/universal system standard supports subsystem
wiring. Additional features include, but are not limited to:
a.
Data Communications -EIA-232-D, RS-422, RS-423, Ethernet, StarLAN,
Token Ring, Fiber Distributed Data Interface (FDDI), Twisted Pair-Distributed
Data Interface (TPDDI), 155 MB ATM, Fast Ethernet, 1000BASE-T, 1.2Gbps
ATM; Analog and Digital Voice Applications: AT&T, Matra Communications,
Rolm, Northern Telecom, Mitel, NEC, ICL, ISDN, Paging Systems; Analog
and Digital Video: Video Conferencing, Modular Wall Systems
b.
Supports two types of transmission media: 1) Unshielded twisted pair (UTP)
copper as standard TIA/EIA 568-C Category 6; 2) and, laser optimized 50
micron multimode fiber using short wave VCSEL technology to support
10 Gb/s in the backbone to 300 meters and 50/125/900 microns
core/cladding diameter, multimode, graded index fiber optic cables as
standard for premises (between closets and campus applications
concentrator) and other campus applications.
c.
3.
Color coding at administration panels follows TIA/EIA-606 standard. This
color coding is used within the MC/ER and TRs to identify the distribution
fields should be as follows:
(i)
Blue: Work Location and Horizontal cables
(ii)
White: Riser Backbone - First Level Backbone
(iii)
Brown: Campus Backbone – Interbuilding Backbone
(iv)
Purple: Common equipment
(v)
Green: Network connections (e.g., network auxillary equipment)
(vi)
Orange: Telco demarcation point (Demarc)
(vii)
Yellow: Auxiliary equipment
(viii)
Gray: Tie cable – Second Level Backbone
Wiring Specifics Relating to TRs and Distribution to Workstations:
The Telecommunications Room (TR) or wiring Room is the central point for intrafloor wiring and has a critical effect on the flexibility and maintenance of the wiring
system. The TR contains cross connect blocks and certain LAN components such
as wiring concentrators, communication controllers and multiplexers.
a. Minimum of two (2) work area locations are to be cabled to each office
(hardwall) and located for equipment access flexibility (e.g. on non-door
impacted opposing walls or as defined by specific design documents).
b. Cables will be identified at both ends with office/workroom, cable and
workstation number based on numbering scheme of floor plan. Workstation
numbering scheme is normally as follows: numbering starts in reception
area and flows through in a logical sequence within the department.
c.
Voice - data designation.
Duplex jacks shall be designated with the office/workstation number plus
voice and data. Example: 102 V – 102 DThe top jack will be typically used for
voice. The bottom jack is used for data.
4.
Color of jacks. The voice jack, (top) will be white or gray, depending on location on
a wall (white) or system furniture (gray).
5.
The data jack will always be orange.
6.
Where cables exit walls into ceiling space, conduit will be stubbed per applicable
standards.
7.
If cable is to be installed in systems furniture, ends must be rolled, labeled and
tied.
8.
Workstation Labeling – Sequential numbering to include floor # and outlet # with
using a letter for jack designation. i.e. quad: 1001A, 1001B, 1001C, 1001D.
COUNTY LEASED SPACE
Leased space should be cabled according to the Owned Building Standards. Exceptions
to the Standards may be made as determined by DIT, based on the length of the lease
term and programmatic requirements.
CABLE INSTALLATION REQUIREMENTS
The purpose of this section of the County Wiring and Cable Standard is to provide a
general outline of the installation specifications that will be required of any contractor
selected to provide the installation of wiring and cabling as defined in these standards.
The installation specifications are a minimum requirement.
Cable installation contractors must be certified SYSTIMAX SCS Installer or active
Business Partner in good standing and must provide a SYSTIMAX extended product
warranty and applications assurance upon completion of the system.
WORK COVERED
The work covered by these guidelines consists of furnishing and installing all
equipment, materials, labor and services; related work; and performing all operations
necessary to install and test the communications cabling system in all locations of each
County building. The contractor shall provide all supervision, transportation, inspection,
inventory and permanent records. The work shall include, but not be limited to, the
following items:
a) Telecommunication Outlets: Administrative areas, work areas and
LAN/computer areas
b) Cable termination and patch panels
c) Cabling (outdoor, indoor)
d) Connectors, couplers, and panels
e) Fiber optic splices and splice enclosures
f) Hangers, brackets, mounting hardware and frame mountings
g) Tie wraps, bushings and miscellaneous parts
h) Conduits, innerducts, and fire-stop materials
i) Tools and equipment necessary to complete the installation
j) Cable sleeves and openings for routing backbone cabling
k) Testing
l) Protection of the County’s premises and employees
Securing Cables
Cables shall be securely held in place by an industry and manufacturers’ acceptable
practice and installed with sufficient bending radius so as not to kink, shear or damage
electrical conductors or optical fibers. Pulling tension shall be monitored with a
dynamometer (tension gauge) to ensure that recommended tensile ratings are not
exceeded.
Quantity of materials
The contractor shall calculate all actual cable footage required. Contractor shall
prepare a preliminary cable and wiring plan after inspecting the building plans, which
describes the general methods to be applied in wiring the County’s facilities. Such
preliminary cable and wiring plan shall be included with contractor’s proposal and shall
include costs of each cable
Coordinate project phasing
The contractor shall continuously coordinate work schedules and other details with the
County’s construction representative or designee.
a) Prior to installation, the contractor shall examine and measure existing
construction in involved areas, report conditions that interfere with or prevent
correct installations and report conflicts between documents and actual
conditions.
b) The designated voice/data TRs or areas will be available to the contractor on a
coordinated basis with the general contractor or the County’s representative.
The contractor shall be responsible for the shipping, handling, and storage of all
equipment and materials, and to protect it from theft.
c) The contractor shall obtain permission before proceeding with any work
necessitating cutting into or through any part of the building structure such as
girders, beams, concrete, finished floors or partition ceilings.
Repair of existing construction.
Contractor shall restore to original condition and fire resistance, at the contractor’s
expense, existing construction and improvement that are cut into, altered or damaged
due to the contractor’s operations. This includes matching adjoining surfaces and
finishes.
Contractor must provide accurate cable records.
The contractor shall provide final cable records which detail copper riser and fiber optic
backbone cable number, fiber count, pair count, telecommunications Room location,
and type instrument. All jack locations shall be marked with a non-removable means.
Records shall be provided in both electronic and paper format.
Final inspection of job.
Upon completion of all work functions, a final inspection or walk through with County
representatives and the local CommScope/SYSTIMAX Representative shall occur.
Shop Drawings.
Shop drawings shall include all parameters of operations and functions of the
information cabling system, including all equipment, accessories, supporting details and
their technical specifications. They should include drawings, manufacturers’ catalogs,
product codes, installation procedures, test procedures, and environmental conditions.
a) Drawings shall include cable routes, termination points, pair and fiber
assignments, labeling scheme and sample, proposed method of installation, and
a schedule of work. Drawings shall be provided in electronic format compatible
with the County’s GIS.
b) Contractor shall provide at least four (4) copies of the above details for the
County’s review and approval within fifteen (15) work days after award of the
contract.
Specific Installation Requirements - Fiber
A.
Fiber Optic Termination Panels:
B.
Fiber optic termination panels shall be installed in the building TRs and
MC/ER as shown on the preliminary drawings and schedules. The
panels shall be equipped with connector couplings for full capacity.
C.
SC connector couplings at the termination panels shall be protected
with end caps at all times.
Specific Installation Requirements - Other
A.
The contractor must coordinate and work with the County and/or
General Contractor on installation phases.
B.
Voice and data station cables shall be terminated at PATCHMAX
panels for data and voice in the building TRs and MC/ER. All cables,
with the exception of Multi-User Telecommunications Outlet Assembly
(MUTOA) and media Transition Points (TP), shall be continuous runs
without splices between any two terminations or end points. However,
the distance minimums for data must be assured.
C.
The maximum run of horizontal cable from any workstation to a TR
must not exceed 295 feet (90 meters). In buildings requiring risers, the
horizontal distance is an extension of the backbone (riser) distance.
D.
The horizontal cabling shall consist of two, four-pair cables for each
workarea location (two cables times 4 pair times two RJ45 jacks) at
workstation wall plate where a telephone and/or computer will be
located. Horizontal cables shall be terminated at both ends.
E.
The subsystems shall be cross-connected for end-to-end connectivity.
F.
The cables shall be labeled and numbered at each end and at
intermediate access locations. Workstation jacks shall also be labeled
according to the Loudoun County Department of Information Technology
guidelines.
Specific Installation requirements for Wireless Devices
A. Wireless Access Point (devices provided by Loudoun County) cabling
locations are to be above ceiling grid and placed at least every 50’
throughout the building. DIT will review exact locations and update
based on best practices for coverage. The horizontal cabling shall
consist of two, four-pair CAT 6A cables for each device location (two
cables times 4 pair times two RJ45 jacks on surface mount boxes).
Horizontal cables shall be terminated at both ends. On closet side, a
separate patch panel will be required for these terminations.
Terminations in the ceiling will be on a surface mount box.
B. Location of wireless devices will be no higher than 12’ in any ceiling.
If ceiling is higher than 12’ then wireless access device cabling will be
placed on a wall. Wall bracket for wireless devices will be supplied
by Loudoun County.
GENERAL CONSTRUCTION REQUIREMENTS
A.
The contractor shall be responsible for removing or laying aside ceiling
tiles in order that it may complete its installation. When the installation
has been completed in an area, the contractor shall replace the ceiling
tiles immediately at the contractor’s cost.
B.
The contractor shall be responsible for drilling the access holes to gain
access through a wall or floor (or coordinating with the building’s
general contractor). Access holes in the buildings shall not be greater
than two or three times the diameter of the cable being installed. The
contractor shall provide sleeves at floor access holes, and protection
above and below the floor and above surfaces where drilling occurs.
C.
Where cable, conduit, cable tray penetrate fire rated floors, walls and
ceilings provide U.L. Listed fire stopping system for each penetration to
meet local code requirements. Group cables, conduits, and tray
pathways together to reduce quantity of penetrations whenever
possible.
D.
The Contractor(s) shall at all times keep the adjacent areas of the
property free from rubbish and the accumulation of any waste materials.
Cable System Bonding and Grounding
A.
Bonding and grounding of all cables, frames and equipment shall be
accomplished in accordance to NEC Article 250 and TIA/EIA-607. If
ARMM riser cables are utilized, all cable sheaths shall be bonded to the
termination panel using number 6 copper wire.
B.
All sheaths shall be bonded across any openings. Shield shall be
grounded to one end only.
TESTING AND ACCEPTANCE
A.
The contractor shall provide a thorough and current testing program for
cabling acceptance testing. The testing should be done according to
data equipment specifications as well as generally accepted practices.
B.
The County will assume voice is acceptable if all CAT 6 cable runs pass
data testing. The County’s representative may observe any or all
testing.
C.
Final acceptance testing shall be performed jointly by the contractor and
the County representative.
D.
The contractor shall provide procedures and a list of test equipment and
operating instructions before the test. The contractor shall be
responsible for understanding the latest SYSTIMAX® SCS test
standards in orde
E.
r to insure the maximum benefit of the current SYSTIMAX guarantee
currently twenty (20) years.
F.
Copper Cable testing
1.
Testing of all copper wiring shall be performed prior to system cutover.
2.
100 percent of the horizontal and riser wiring pairs shall be tested for opns, shorts,
polarity reversals, transposition and presence of AC voltage.
3.
Voice and data horizontal wiring pairs shall be tested from the information outlet to
the TR.
4.
The Category 3 cable runs shall be tested for conformance to the specifications of
EIA/TIA 568-B Category 3.
5.
The Category 6 cable runs shall be tested for conformance to the specifications of
EIA/TIA 568-B Category 6.
6.
Category 6 horizontal cables shall be tested according to testset manufacturers
instructions utilizing the latest firmware and software.
7.
Testing shall include all of the electrical parameters as specified in the Products
Section of this document.
8.
Any pairs not meeting the requirements of the standard shall be brought into
compliance by the contractor, at no charge to Loudoun County..
9.
Complete, end to end, test results must be submitted to Loudoun County in both
electronic and paper format.
G.
Subsystems shall be tested individually before testing for end-to-end
connectivity.
H.
Optical Fiber Cable Testing
1.
All fiber testing shall be performed on all fibers in the completed end to end
system.
2.
Testing shall consist of a bi-directional end to end OTDR trace performed per
EIA/TIA 455-61 or a bi-directional end to end power meter test performed per
EIA/TIA 455-53A per the CommScope/SYSTIMAX® SCS guidelines.
3.
The system loss measurements shall be provided at 850 and 1310 nanometers for
multimode fibers and 1310 and 1550 for single mode fibers.
4.
Pre-installation cable testing
5.
The Contractor shall test all fiber optic cable prior to the installation of the cable.
6.
The Contractor shall assume all liability for the replacement of the cable should it
be found defective at a later date.
7.
Loss Budget (as designed)
8.
Fiber links shall have a maximum loss of: (as designed)
9.
Allowable cable loss per km)(km of fiber in link) + (.4dB)(number of connector
pairs) = maximum allowable loss
10. A mated connector to connector interface is defined as a single connector for the
purpose of this RFP
11. Loss numbers for the installed link shall be calculated by taking the sum of the bidirectional measurements and dividing that sum by two.
12. Any link not meeting the requirements of the standard shall be brought into
compliance by the contractor, at no charge to Loudon County.
13. Documentation shall be provided in both hard copy and electronic format (any
software necessary to view the original electronic copy shall be provided) to the
point of contact.
ACCEPTANCE TESTS
A.
Upon completion of all tests, two copies of test results shall be
submitted for review. Prior to cutover, the contractor shall perform a
random sampling test jointly with the County’s representative, of one in
six workstation circuits selected by the County representative, to verify
conformance to the specifications.
B.
Tests shall be repeated for any faults found at this stage. Test
documents shall be revised accordingly. A final walk through inspection
with the County representative should be completed at this stage.
C.
The County representative shall confirm, in writing, acceptance of the
installation and tests upon receiving two copies of the final test results.
A copy of the test results and SYSTIMAX Warranty Certificate shall be
retained by the County as part of the permanent cable installation
record per each building.
D.
The Contractor shall provide the County an original SYSTIMAX SCS
warranty for each project. Final payment will not be made until the
documentation, testing, and warranty documents are provided and
accepted.
Rev by DIT 5/2023