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Why do the requirements focus on 1-year and 2-year, 24-hour storms?

Why include the 1-year storm in the credit requirements? Won't management practices for the 2-year storm be effective?

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The calculations for this credit are always a headache! While our projects are usually awarded the credit, the equations in the LEED Reference Guide are helpful mostly for sizing a reservoir or cistern, but don't help you get to the final results. Does US

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

Captured and Conveyed to on-site retention areas

Bridget Brock

Huitt-Zollars Morris

LEEDuser Basic Member

0 thumbs up

Project location :

February 18, 2016

We are having a hard time determining how to calculate the flow quantities for our site when it has been designed so all of the run off is captured and conveyed to on-site retention ponds. Is this a case where we can say that 100% of the runoff is infiltrated on-site?

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Michael DeVuono

Regional Stormwater Leader

Arcadis North America

LEEDuser Expert

144 thumbs up

Thu, 02/18/2016 - 20:26

Pre or post?

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