I ask because a colleague trying to find fault with the design of a dry swale has used a hydrograph (one that we used to determine peak flow) to calculate volume and say that our dry swale is undersized. I don't think the hydrograph should be used for volume, especially since it compresses the...
Hi guys- I am looking for a chart/authority that
describes what happends when I take the type III 25year 24 hour storm rainfall of 5.7 inches and compress it into 3 hours then it no longer is a 25-year event, but is (if I remember correctly) the 100 year event because of the shortened time and...
