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FAQs about 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?

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?

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Forum discussion

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

No water use

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Henrique Mendes
Mr.
Green Domus | Desenvolvimento Sustentável
LEEDuser Basic Member
13 thumbs up

What happens if we are working on a project that has no water use. No fixture or fittings... How to comply with the prerequisite? Or does that mean that this project is not elegible for LEED?

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Fri, 12/20/2013 - 23:25

Henrique, this is covered in one of the FAQs above.
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Selvarasu M
Director
LEAD Consultancy Engineering Services
LEEDuser Premium Member
0 thumbs up

Mon, 04/21/2014 - 07:02

Dear Tristan, although the additional guidance only refers to use of non portable water in retail & healthcare, can we use this method for office space as well. Please confirm. Thank you
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Ashley Nedza
Project Designer, LEED AP BD+C
Baskervill
LEEDuser Basic Member
0 thumbs up

Mon, 05/05/2014 - 15:54

you are exempt from WEp1 if the tenant does not add plumbing into their space. If the tenant wants to go for WEc1, they need to include the core bathrooms. You can read more about this in the WEc1 birds-eye view.

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