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FAQs about WEc1 :

Do the 30% and 40% reductions need to be achieved prior to the application of alternative water sources in order to earn the credit?

When pursuing Option 2 do I have to use the EPA WasterSense Water Budget Tool or USGBC’s Outdoor Water Use Reduction Calculator?

Does the project site need to have a minimum amount of vegetation in order to pursue the credit?

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EBOM-v4 WEc1:Outdoor water use reduction

Option 2 (No irrigation meter installed: Calculated water budget)

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Simon Sue
SL+A INTERNATIONAL ASIA INC.
LEEDuser Premium Member
305 thumbs up

We had used Theoretical Performance Calculation (Option 2) for initial v2009 certification, can we still utilize Option 2 (No irrigation meter installed: Calculated water budget) for v4 recertification? or we need to utilize Option 3 (Irrigation meter installed) for v4 recertification?

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Trista Brown
Project Director
WSP USA
LEEDuser Basic Member
381 thumbs up

Thu, 05/24/2018 - 23:51

Hi Simon, my understanding is that you can use Option 2 since there was no requirement in v2009 to install irrigation metering. You'd fall under Option 3 in future v4 recertifications however, since you'll be installing metering as part of this recertification effort per Option 2. 
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Simon Sue
SL+A INTERNATIONAL ASIA INC.
LEEDuser Premium Member
305 thumbs up

Tue, 05/29/2018 - 05:31

Thank you, Trista. Your explanation is clear and helpful to us.

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