Term
WEp1 - Water Use Reduction (Indoor Water) |
|
Definition
Meet and the fixture performance requirements of the Energy Policy Act of 1992, then save 20% more water. |
|
|
Term
WEc1 - Water Efficient Landscaping (2-4pts for all)
2 paths |
|
Definition
1) 50% reduction. based on mid-summer baseline, reduce potable water consumed by irrigation. (2 points)
- Capture and reuse rain
- recycle wastewater
- efficient irrigation
-right plants
2) No potable water use OR no Irrigation (4 points)
Meet #1 and use no irrigation (can use temp. irr. for 18 months) or no potable water. Use recycled graywater, recycled wastewater, captured rainwater or water treated and delivered by a public agency. |
|
|
Term
WEc2: Innovative Wastewater Technologies (Indoor water) (2 points for all)
2 paths |
|
Definition
1) Use non potable water for urinals/toilets or water saving fixtures to reduce by 50% the potable water use for building sewage conveyance.
2) Follow tertiary standards and treat 50% of on site wastewater. Treated water to be used on site or infiltrated. |
|
|
Term
WEc3: Water Use Reduction (indoor water) (2-4 points for all) |
|
Definition
WEp1 says to exceed EPA Act by 20%. If you can exceed that number, you get points here.
30% reduction - 2 points
35% reduction - 3 points
40% reduction - 4 points
1 bonus point for 45% reduction of potable water. |
|
|
Term
Fixture Uses Per Day: Non-residential
FTE, Transient (student), Transient (retail customer) |
|
Definition
FTE
Female: 3 wc, 3 lav, .1 shower, 1 ks
Male: 1 wc, 2 ur, 3 lav, .1 shower, 1 ks
Transient (student visitor)
Female: .5 wc, .5 lav
Male: .1 wc, .4 ur, .5 lav
Transient (retail customer)
Female: .2 wc, .2 lav
Male: .1 wc, .1 ur, .2 lav |
|
|
Term
Fixture Uses Per Day: Residential |
|
Definition
Both: 5 wc, 5 lav, 1 shower, 1 ks
|
|
|
Term
|
Definition
Lavatory faucets:
Residential 60 sec, non-res. 15 sec. (12 w/ autocontrol)
Kitchen sink faucets:
Res. 60 sec, non-res, 15 sec.
Showers:
Res. 480 sec, non-res 300 sec. |
|
|
Term
Water Closet water use
(8 levels) |
|
Definition
Baseline: 1.6 gpf, 3.5 gpf for blow-out fixture
EPA Water-Sense or High eff: 1.28 gpf
HET, single flush pressure assist: 1 gpf
HET, dual flush (full): 1.6 gpf
HET, dual flush (low): 1.1 gpf
HET, foam flush: .05 gpf
Low-flow: 1.1
Ultra Low flor: .8
|
|
|
Term
Urinal water use
(4 levels) |
|
Definition
Baseline: 1 gpf
EPA Water-sense or High eff: .5
HET, single flush pressure assist: .5
Low flow: .5 |
|
|
Term
Lavatory Water Use
Residential and Commercial
(4 res. levels, 6 comm. levels) |
|
Definition
Residential
2.2 gpm at 60psi
Commercial
2.2pgm at 60psi for private app.
.5 gpm at 60psi for public use
.25gpc for metering faucets
EPA Water-Sense or HE: 1.5 gpm for private lavs and aerators
Low Flow: 1.8 gpm
Ultra Low flow: .5 gpm |
|
|
Term
Shower water use
(3 levels) |
|
Definition
Baseline 2.5gpm @ 80psi
EPA Water-Sense or HE ≤ 2.0gpm
Low-Flow: 1.8gpm |
|
|
Term
Kitchen sink water use
(2 levels) |
|
Definition
Baseline: 2.2gpm @ 60psi
Low-flow: ≤ 2.2gpm |
|
|