Forum discussion
NC-2009 SSc6.1: Stormwater Design—Quantity Control
Dear all,
We have found a sample calculation to determine storm water rate and quantity for 1 yr-24 hr design storm and 2 yr-24 hr design storm from www.illinoisfloods.org/.../4D_Stormwater%20Volume%20and%20Treat.... We would like to know about the process followed in this website is correct for the solution or not?
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Why do the requirements focus on 1-year and 2-year, 24-hour storms?
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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
September 2, 2014 - 11:13 am
The calculations required to determine the stormwater rate and runoff volume should be completed by a qualified professional experienced in this field, it is not a process you can learn on a website.
TR-55 is one of the more commonly used guidance documents.
sona prajapati
1 thumbs up
September 3, 2014 - 1:11 am
Thank you for your reply.