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FAQs about WEp1 :

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?

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

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Forum discussion

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

WE Pr 1 lavatory faucet durations

Rebecca Molldrem

Project Manager

JLG Architects

LEEDuser Basic Member

10 thumbs up

February 20, 2013

Our reviewer has noted in the technical advice that "for projects registered after Feb 2, 2011, a 30 second duration is required for lavatory faucets." We have used either 15 seconds, or 12 seconds on other projects registered after this date with no issue. I can't find where this is coming from, and they did not reference any particular addenda. Anyone know?

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Rebecca Molldrem

Project Manager

JLG Architects

LEEDuser Basic Member

10 thumbs up

Wed, 02/20/2013 - 17:23

Never mind. I just found it! We can still use the 15 and 12 for autocontrol. Thanks.

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