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FAQs about WEp1 :

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?

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?

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Forum discussion

CS-2009 WEp1:Water Use Reduction

WEp1 - Handheld bidet faucets

Tapio Peltonen

Sr. Mechanical Engineer

Granlund Oy

LEEDuser Basic Member

51 thumbs up

March 10, 2011

Every toilet stall in the project includes a handheld bidet faucet (or spray) and a lavatory. Are these calculated as lavatory faucets or ignored in the water use calculation?

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Tristan Roberts

Representative

Vermont House of Representatives

LEEDuser Expert

7780 thumbs up

Thu, 03/10/2011 - 19:23

The lavatory is a regulated fixture and would be counted but a bidet is not counted.

Tapio Peltonen

Sr. Mechanical Engineer

Granlund Oy

LEEDuser Basic Member

51 thumbs up

Fri, 03/11/2011 - 17:34

Thanks again Tristan, The rules for WEp1 are demanding, but M&V does not cover the water usage and the real usage could be quite different.

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