Forum discussion
CS-2009 SSc6.1: Stormwater Design—Quantity Control
Hi everyone.
We are working on a zero lot line site where an old building was demolished in order to start with the new one.
The old building was composed only by hardscapes.
Since the new project is also zero lot line, if we decrease 25% the volume of stormwater runoff from the 2-year 24-hour design storm by adding green areas and green rooftop areas, are we in compliance?
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Why do the requirements focus on 1-year and 2-year, 24-hour storms?
How can green roofs count as a stormwater control measure?
I have 100-year data—how do I convert to 2-year?
Are there special considerations for international projects?
What performance threshold do I need to achieve for an Exemplary Performance point?
Michael DeVuono
Regional Stormwater LeaderArcadis North America
LEEDuser Expert
186 thumbs up
July 8, 2019 - 6:46 pm
If you can get the cats to work, you’re certainly meeting the intent.
Guillermo Hernandez Espinoza
Civil Engineer, LEED AP BD+C8 thumbs up
August 22, 2019 - 4:12 pm
I am sorry, I don't unerstand your answer, is that a yes?