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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?

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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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NC-2009 SSc6.2:Stormwater Design—Quality Control

LEED Documentation - is it required for this point

Our project approach to this point is pretty straightforward. We are using a water quality structure with a sand filter for the entire site. Is there further documentation required for this point beyond just filling in the table SSc6.2-1 and checking the box that the BMP's treat runoff from 90% of the average annual rainfall? ? I was thinking that they might want to see what WQ system is being used, proof of its TSS % removal efficiency, some calculations, etc.

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Sat, 04/23/2011 - 21:48

Kelley, it does appear that that is the extent of the documentation requirements. Because you probably need to complete the other documentation you mentioned in order to make sure the strategy will work, I would have that on hand in case it's needed as well.

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