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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

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

Service Sink Baseline flow

Jorge Torres-Coto

Building Systems Commissioning Engineer

Empirical Engineering, LLC

LEEDuser Basic Member

14 thumbs up

Project location :

December 14, 2017

I have a project that includes mainly Vocational Classrooms. As such, each classroom has Service Sink for washing hands after each class (Diesel, Auto Mechanic, Carpentry, Welding, Sheet Metal, Plumbing).

I am trying to figure out if what flow to utilize as a baseline, either 0.50 / 1.50 / 2.20 gpm

Thanks

Jorge

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