Section 2: Individual LEED Credit Reviews
Table WE3.1-2
20% Water Use Reduction 0.5 gpm Faucets (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]
Ultra-Low Flow Lavatory
3
0.5
15
--
1,100
413
Shower
0.05
2.5
300
--
1,100
688
Pantry Sink
0.75
2.5
15
--
1,100
516
Total Daily Volume [gal]
6,236
Annual Work Days
260
Annual Volume [gal]
1,621,263
Annual Graywater or Stormwater Reuse [gal]
0
TOTAL ANNUAL VOLUME [gal]
1,621,263
Water Use Reduction (compared to Baseline)
21%
GSA LEED COST STUDY
63
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