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Unformatted text preview: 2. A subdivision has the following land uses: 160 acres of 2-acre residential lots, 68 acres of good condition open space, and 13 acres of gravel roads. Three percent of the subdivision is covered by swampy areas, and the entire area overlays soil type C. Assuming that the time of concentration has been estimated as 0.6 hr and that AMC-II conditions apply, use the NRCS curve number method for a Type II rainfall distribution to determine the following for a 5-inch rainfall event: A. Effective rainfall (direct runoff) B. Peak discharge CWR 4306 Urban Stormwater Systems Design Fall 2011 Figure 1. Topographic map of study area for problem 1....
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This document was uploaded on 10/29/2011 for the course CWR 4306 at University of Florida.
- Fall '08