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Schools-2009 WEc3: Water Use Reduction

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WEc3 and water catchment

January 7, 2011

Kaui Lucas

Sustainability Consultant, Marketing, Government Relations
Hawaii Design Group

LEEDuser Basic Member

10 thumbs up

January 7, 2011

WEc3

This project is the renovation of a government facility. The RFP states that the project will not be LEED registered, or attempt any particular point count. It does ask for compliance with LEED standards in several areas. One is WEc3. The entire facility is run on catchment water. Since the intent of the credit is reduce potable water use from municipal sources, is it fair to say that this requirement has been met?

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Tristan Roberts

Representative
Vermont House of Representatives

LEEDuser Expert

11474 thumbs up

January 10, 2011 - 7:03 pm

Use of rainwater as a substitute for potable water is a valid way of earning this credit, yes.

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FAQs about WEc3:

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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