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NC-2009 SSc6.1:Stormwater Design—Quantity Control

Equation 1. Volume of Captured Runoff

Ahmed Mosa

Sustainability Consultant - Sustainable Design Researcher

P&T Architects and Engineers

LEEDuser Basic Member

8 thumbs up

January 15, 2014

Why is equation 1 divided by 12" ? Vr=(P.Rv.A)/12"

Post a reply

Michael DeVuono

Regional Stormwater Leader

Arcadis North America

LEEDuser Expert

144 thumbs up

Wed, 01/15/2014 - 13:35

Unit conversion. P is in inches and you're solving for cubic feet. To be clear, you are not dividing by 12" either. If P = 2 inches 2/12 is the same number in feet.

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