Shared Flashcard Set

Details

LEED 3.0 Water Efficiency
N/A
12
Architecture
Professional
12/03/2011

Additional Architecture Flashcards

 


 

Cards

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
Fixture Use Durations
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

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