Forum discussion
NC-2009 SSc6.1: Stormwater Design—Quantity Control
Your calculations are correct. You will have to develop strategies to infiltrate, evapotranspire, or reuse 260.57 m3 of stormwater to qualify for the credit..
However, depending on your location, please verify that 0.115 m is your 1.5 year, 24 hour storm. That seems high. You are trying to find the rainfall amount for the 1 and 2-year 24 hour storms.
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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?
JP Rout
9 thumbs up
January 6, 2010 - 4:03 am
Thanks Mr. Hurst, Actually the data was given to me.
Can you help me to verify the calculation of the storm. I only have a years rainfall data. I hope that's enough.
Month Monthly Total mm
Jan 11.9
Feb 17.8
Mar 23.7
Apr 32
May 49.9
Jun 232
Jul 326.5
Aug 346.1
Sep 239.1
Oct 86
Nov 11.2
Dec 3.1
Annual
Total or
Mean 1379.3
Thanks in advance.