Forum discussion
CI-2009 WEp1: Water Use Reduction—20% Reduction
We are working on the prereq. and are at 28%. If we add a low flow shower head to the base building showers we can get past 30%. The credit shows showers under the residential category, but since we need the showers for SS 3.2 I was wondering if we could add them in anyway.
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Can you explain the 12-second duration for metering faucets?
Can I use a nonpotable water source to contribute to WEp1 compliance?
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?
Are shower duration controls an acceptable water-saving strategy?
Can I include process water savings in order to earn an Exemplary Performance point?
Karen Blust
Green Building ConsultantThe Cadmus Group
124 thumbs up
January 27, 2011 - 12:49 pm
Per the Water Use Reduction Additional Guidance document (dated December 1, 2009 and updated August 16, 2010), your project would appear to fall under Case 4. As such, you would not have to include the shower in your WEp1 calculations, but you also would not be eligible for any Water Use Reduction points under WE credit 1.
Diana Nezamutinova
ConsultantSelf Employed
46 thumbs up
January 13, 2012 - 9:23 am
Karen, I have a similar question about commercial buildings: there are showers in the tenant's space that serve a small gym. Can we include the shower flow rates in the calculations? We are also pursuing SSc3.2.
Another question: if some of the water faucets are not complying with the LEED requirements, but others overcompensate for these, would our project still meet the WEp1?