Section 2: Individual LEED Credit Reviews
Summary of First Cost Impacts
Synergistic Credits
None identified (with construction cost impacts).
Courthouse (New Construction, 262,000 GSF)
Supporting Calculations
No identified cost premiums.
Tables WE3.1-1, WE3.1-2, and WE3.1-3
demonstrate the approaches used in the cost
Office Building (Modernization, 306,600 GSF)
estimates (Office Building model only).
No identified cost premiums.
Additional Considerations
None identified.
Table WE3.1-1
Baseline Water Use Table - Office Building
Daily
Auto
Water
Flush Fixture
Flowrate Duration
Occupants
Uses
Controls
Use
[GPF]
[flush]
N/A
[gal]
Conventional Water Closet
Male
1
1.6
1
--
550
880
Female
3
1.6
1
--
550
2,640
Conventional Urinal
Male
2
1.0
1
--
550
1,100
Female
0
1.0
1
--
550
0
Daily
Auto
Water
Flow Fixture
Flowrate Duration
Occupants
Uses
Controls
Use
[GPM]
[sec]
[% savings]
[gal]
Lavatory
3
2.5
15
--
1,100
2,063
Shower
0.05
2.5
300
--
1,100
688
Pantry Sink
0.75
2.5
15
--
1,100
516
Total Daily Volume [gal]
7,886
Annual Work Days
260
Annual Volume [gal]
2,050,263
Annual Graywater or Stormwater Reuse [gal]
0
TOTAL ANNUAL VOLUME [gal]
2,050,263
GSA LEED COST STUDY
62
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