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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

CS-2009 WEp1:Water Use Reduction

CS project without bathrooms and elegible fixtures

We´re working in a CS building without plumbing fixtures. How we can document the WEp1?. We need to make the Tenant Lease agreement?, How we can earn points in WEc3?. We need to specify the future water fixtures in the form?. Thanks in advance.

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Wed, 06/10/2015 - 21:38

I have the same question as Maria.
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Melissa Kelly
Sustainability Specialist
Gensler
LEEDuser Basic Member
66 thumbs up

Mon, 11/30/2015 - 23:09

Hi Maria and Annalise, WEp1 and WEc3 are both "Case A" credits in the CS Appendix 4 of the Reference Guide, meaning that any performance based on anticipated tenant work outside the scope of the C&S project would need to be included in an agreement with the tenants. I've seen this requirement stipulated as either an overall percent reduction or as prescribed flow rates for each fixture.

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