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FAQs about SSc6.1 :

How can I achieve compliance if my project's stormwater control measures are outside the LEED project boundary?

I have 100-year data—how do I convert to 2-year?

Is it an acceptable strategy to capture the rainwater into tanks and discharge it into the public sewers after the rainstorm reducing the peak discharge?

Are there special considerations for international projects?

What performance threshold do I need to achieve for an Exemplary Performance point?

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

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?

How can green roofs count as a stormwater control measure?

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Forum discussion

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

P: avarage rainfall event

Hi everyone, I got a question about the calculataion of Volume of captured run off; In the formula,(V= P.A.R/12) P value is taken according to the location of project ; humid ,semi arid and arid.which in his case can be 0,5 0,75 or 1 inch. my confusion starts right at that point: the avarage rainfall i have had calculated in my project zone is 26 inches; so does that qualify me as a semi arid watershed where my p value is 0.75 inches? or would my P value be different ?

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