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The credit language says the Option 2 involves a reduction in wastewater. Does that mean that all water, including process water, should be included?

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NC-2009 WEc2:Innovative Wastewater Technologies

Credit for using rainwater towards truck washing

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Pournamasi Rath
Principal
Ettinger Engineering Associates
LEEDuser Basic Member
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We are working on a large scale City Garage project targeting LEED Silver certification. We are considering rainwater harvesting and using it to meet the demands of truck washing. A couple of questions here -

1. Does this qualify for WEc2? It certainly reduces potable water usage. (The project has space limitations and cannot accomodate Stormwater Quantity Control requirements, so SSc6.1 is out of the question.)

2. Is the water used for truck washing considered a process load? (Definition of process load includes water used for industrial uses, so probably yes?) Any idea if this is a good candidate for an Innovation credit?

Thanks!

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Pournamasi Rath
Principal
Ettinger Engineering Associates
LEEDuser Basic Member
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Mon, 12/04/2017 - 14:49

Thanks, Tristan!

Thu, 04/18/2019 - 15:25

Hi Tristan -  I am unable to find in the credit language where process water is not included in WEc2. I similarly have an LRT maintenance service facility (MSF) that is collecting, filtering and recycling 85% of its trainwash process water to be used again for the trainwash (the water will not be used in for flushing or irrigation). I am wondering if this will satisfy WEc2 Option 1 by reducing potable water use by at least 50%? Thanks in advance!

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