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EBOM-2009 SSc6:Stormwater Quantity Control

Solar PV Field

Does anyone know how a field covered with solar panels would factor into the stormwater calculation? My though is that rainwater would run off of the pv arrays onto the ground and might have a little impact on the overall run off volume. Would there be a specific runoff coefficient to use in this case? Any input would be appreciated. Thanks!

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Profile picture for user Mike Dee
Michael DeVuono
Regional Stormwater Leader
Arcadis North America
LEEDuser Expert
144 thumbs up

Tue, 12/03/2013 - 15:48

I saw a presentation on this very topic about 2 years ago. I can't recall exactly what they determination regarding a CN was, but I think they did conclude it should increase. Let me see if I can find my notes.
Profile picture for user Mike Dee
Michael DeVuono
Regional Stormwater Leader
Arcadis North America
LEEDuser Expert
144 thumbs up

Tue, 12/03/2013 - 16:22

http://www.chesco.org/index.aspx?NID=1550 Link to the presentation summary is halfway down the page. Model it as if the panels weren't there, basically. This was a PA DEP presentation.

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