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FAQs about WEp1 :

We provided new showers in our project to comply with the alternative transportation credit. Should they be considered in WEp1 calculations?

Can you explain the 12-second duration for metering faucets?

Can I use a nonpotable water source to contribute to WEp1 compliance?

Our project does not have any eligible water fixtures in the project boundary. Can we comply with WEp1?

We are having trouble finding EPAct-compliant fixtures. Is that a problem?

Where can I find a clear meaning of "public" and "private" as relevant to lavatory faucets?

Our project is a factory with historically a 95% male workforce. The restroom design accounts for this. Can I argue that the male/female gender ratio is different than 50/50?

Are shower duration controls an acceptable water-saving strategy?

Can I include process water savings in order to earn an Exemplary Performance point?

Will the reviewers accept a spreadsheet as a plumbing fixture schedule in lieu of the plans from the Construction Documents?

In LEED review comments I've been referred to the Water Use Reduction Additional Guidance document. I didn't know this was a required reference document.

Should I include bar sinks? What about mop sinks or janitor sinks? Swimming pools? Safety showers? Bidets? Tub spouts?

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Forum discussion

NC-2009 WEp1:Water Use Reduction—20% Reduction

Water Saving thru the use of urinal

JAMES MARK CHAN

SENIOR PROJECT MECH/F.P. ENGINEER

WM ENGINEERING SERVICES, LLC

LEEDuser Basic Member

0 thumbs up

December 11, 2015

Does adding more urinals have an impact on water saving compare with lesser urinal.

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Charles Nepps

NH Green Consulting

LEEDuser Premium Member

80 thumbs up

Fri, 12/11/2015 - 10:13

Water usage is calculated based on occupancy (FTE) so adding more fixtures does not impact the usage number, but adding more FTE's would.

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