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

See LEEDuser’s guidance on NC-2009 WEp1 »

Eco Boost Option

May 15, 2017

Brightworks Sustainability

Brightworks Sustainability LLC

LEEDuser Premium Member

46 thumbs up

May 15, 2017

My project is looking into a Kohler Awaken showerhead that performs at 1.5 gpm with a button to provide a 2.0 gpm "eco boost" when more pressure is needed for rinsing out hair. Has anyone used this in a project, and are you aware of how to count this in the calculation, as 1.5 or 2.0 gpm?

Thanks!

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Charles Nepps

NH Green Consulting

LEEDuser Premium Member

97 thumbs up

May 16, 2017 - 11:16 am

For purposes of the credit calculations you need to use the higher flow rate.

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See LEEDuser’s guidance on NC-2009 WEp1 »

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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