DEFINING CONTRACT TERMS

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Drexel University Student Center
Group #15
Advisor:
Professor Aspasia Zerva
Members:
Nathan Zipay
Matthew Neary
Brett Molash
Steven Natale
Courtney Dantone
Overview
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Problem Background
Problem Statement
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Green Buildings
Site
Architectural
Structural
Foundations
HVAC/Electrical/Plumbing
Budget
Schedule
Proposed Design Alternatives
Problem Background
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Drexel has increased enrollment and student
housing
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Demand for:
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Places to eat
Additional recreational activities
Convenience stores
Study facilities
Problem Background
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Campus lacks commercial space
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Pharmacy
Restaurants
Movie Theater
Variety is limited
Campus lacks green space
Princeton Review 2007
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#2 for “Campus is unsightly, tiny, or both”
Green Building
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Buildings that are energy efficient and
environmentally friendly
Leadership in Energy and Environmental Design
(LEED) point scale system
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Six categories of certification criteria
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Water Efficiency
Energy and Atmosphere
Materials and Resources
Sustainable Sites
Indoor Air Quality
Innovation in Design
Green Building
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Certification Levels:
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LEED Certified
LEED Silver
LEED Gold
LEED Platinum
Benefits over conventional building
construction
Green Roof will enhance Drexel’s green space
and scenery
Site
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Located at existing Myers Hall Dormitory
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Corner of Powelton and 33rd Streets
Originally intended to be a temporary housing
facility
Proposed to be demolished as part of Drexel’s
expansion plan
Site
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Investigation of Myers Hall completed to see
what materials could be recycled/reused
Design Goals
 Demolish Myers Hall
 Construct a multi-functional student
building
 Qualify for LEED Certification
Site
 Expand “green” spaces on campus
 Green Roof
 beautiful area for students
 a view of center city
 more efficient building
 Student survey was distributed
Student Poll Results
 Top 3 choices for fast food:
 Wendy’s
 Q’doba
 Panera Bread
 Top 3 choices for sit-down restaurant:
 TGI Friday’s
 Applebee’s
 Ruby Tuesday
 Top 3 choices for activities:
 Movie Theatre
 Bowling Alley
 Outdoor Basketball
Architectural
 Must blend with adjacent building facings
 Material options for facade
 Light brick
 Copper facing
 Building must meld with community
 No more than 3 stories tall
 Views
 Shadows
 Foundations
Architectural Program
 Type of space
 Occupancy expectations
 Volume of occupancy
 Proximity to other spaces
Structural
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Sustain load capacities of structure as if
separate entities.
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Bowling alley design live load ~ 75 psf.
Movie theater design live load ~ 100 psf.
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IBC 2006 Section 1607
Structural
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Proposed green roof will have a design dead
load varying from 40 – 100 psf.
Dead load from proposed green roof depends
on:
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Vegetation type
Soil depth
Drainage
Insulation
Waterproofing design
Structural
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Earthquake, Wind, and Snow
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Philadelphia region:
Seismic design exposure category “B”
 Design wind speed of 90 mph
 Design anticipated snow load 30 psf
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IBC 2006, Section 1613, 1608, 1609
Foundation
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Foundation will need to support the above structure
and transmit loads to underlying soil
Deep pile foundations not common for low rise
buildings in Philadelphia area depending on a soil
investigation.
Anticipate a shallow foundation
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more cost effective
susceptible to settlement
IBC 2006 Section 1805 requires:
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minimum depth of 12 in. below grade
minimum width of 12 in
Mechanical
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Identification of
Problems
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Need for efficiency in
energy and cost
Multi-use building is
unique
Comfort Levels of
individuals
LEED standards
Winter Interior
DB
75
Degrees
F
Heating Degree
Days
4486
DD
Winter Interior
RH
<60%
Percent
Winter Exterior
DB
10
Degrees
F
Summer
Interior
DB
75
Degrees
F
Summer
Interior
RH
<60%
Percent
Summer
Exterior
DB
93
Degrees
F
Summer
Exterior
WB
78
Degrees
F
Summer DR
from DB
19
Degrees
F
CFM per
Occupant
20
CFM
Mechanical
Mechanical (Electrical)
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Proper design can reduce energy consumption
by 50%!
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Energy cost reduction
Sources of innovative systems
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Daylighting
Automated lighting control
Solar panels
Energy-10 analysis estimates 6385 kWh/day or
4308 kWh/day
Mechanical
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Plumbing/Drainage
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Innovative waste water
technology
E&S
Innovative runoff system
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Rainwater collection
Ice ball storage for cooling
Source: www.cryogel.com
Mechanical
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Green Roof:
Intensive vs.
extensive
Advantages
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Thermal resistance
Energy efficient
HVAC
Reduces runoff up to
90% in summer and
40% in winter
Budget (Design Costs)
DESIGN COSTS
Hours/Wk
Rate ($/hr)
Length of Project
(wks)
Courtney Dantone
10
$ 140
36
$
50,400
Brett Molash
10
$ 140
36
$
50,400
Steven Natale
10
$ 140
36
$
50,400
Matthew Neary
10
$ 140
36
$
50,400
Nathan Zipay
10
$ 140
36
$
50,400
Total
Total Pay
$ 252,000
Additional Reimbursable Company Costs
Printing, Transportation, etc.:
Total Design Costs
$150/employee
$
252,750
Budget (Project Costs)
PROJECT COSTS
Construction Costs
Design 1
Design 2
Unit Cost/ ft²
Total Cost
Unit Cost/
ft²
Precast Concrete w/ Reinforced Concrete Frame
(PCC)
$93/ ft²
$11,038,500
$92.5/ ft²
$ 9,714,000
Precast Concrete w/ Steel Frame (PCS)
$98/ ft²
$11,662,000
$97/ ft²
$10,191,000
Land Costs
The property is currently owned by the client.
Permit/ Inspection Costs
$15,000
Legal Fees (10% of Construction Budget)
$ 1,100,000
Total Cost
Design (Total Project Budget)
35% Contingency
Total Project Costs
Design 1 w/ PCC
$12,153,500
$ 16,407,225
Design 1 w/ PCS
$12,777,000
$ 17,248,950
Design 2 w/ PCC
$10,829,000
$ 14,619,150
Design 2 w/ PCS
$11,306,000
$ 15,263,100
TOTAL PROJECT BUDGET
Design 1 (PCC)
Design 1 (PCS)
Design 2 (PCC)
Design 2 (PCS)
$16,659,975
$17,501,700
$14,871,900
$15,515,850
Project Schedule
9/25/07
Find Advisor
Brainstorm T opic Ideas
Determine T opic
Prepare Project Proposal
Preproposal
Survey Student Body
Visit Site Location
Determine Salvageable Materials
Research Current Building/ Conditions
Research Green Buildings/ Case Studies
Research Building Codes
Prepare Estimated Budget
Proprosal Presentation
Proposal
Finalize Design Choice from Alternates
Plan Building Layout w/ Selected Uses
Design Architectural Layout
Design Structural System
Design Green Roof
Design HVAC System
Design Plumbing System
Design Electric System
Determine Construction Materials
Finalize Project Budget
Progress Reports
Abstract
Final Project Design
Final Presentations
Senior Design Competition
10/9/07
10/23/07
11/6/07
11/20/07
12/4/07
12/18/07
1/1/08
1/15/08
1/29/08
2/12/08
2/26/08
3/11/08
3/25/08
4/8/08
4/22/08
5/6/08
5/20/08
6/3/08
Design Alternative # 1
Design Alternative # 2
Sources
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http://www.amlegal.com/nxt/gateway.dll/Pennsylvania/philadelphia_pa/the
philadelphiacode?f=templates$fn=default.htm$3.0$vid=amlegal:philadelph
ia_pa
Budhu, Muni (2007). Soil Mechanics and Foundations, John Wiley and
Sons, 2nd edition. IBSN number 0471431176
http://www.sidwell.edu/about_sfs/envstewardship.asp
http://www.drexel.edu/facilities/
http://www.aiatopten.org/hpb/overview.cfm?ProjectID=775
http://www.greenroofs.org/index.php?option=com_content&task=view&id
=26&Itemid=40#water
IBC 2006
USGBC. “LEED for New Construction (Version 2.2).” October 2005
www.leedbuilding.org
QUESTION & ANSWER
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