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SWB -2 100YR Discharge.txt <br />Graphical Peak Discharge Fri Jan 31 10:07:10 2014 <br />Project: SWB -2 By: B Langenfeld Date: 01/31/14 <br />Location: Revenue Mine checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 9.000OAcres <br />Runoff curve Number: ............. CN = 77 <br />Time of concentration: ........... TC = 0.10 <br />Page 1 <br />Storm Type: ....................... <br />= II <br />Pond and swamp areas spread <br />throughout watershed ............... <br />= 0.00 percent of A <br />0.0000 Acres <br />2. <br />Frequency ........................yr <br />= 100 <br />3. <br />Rainfall ,P(24 - hour) .............. in <br />= 3.20 <br />4. <br />Initial abstraction, Ia............ <br />= 0.5974 <br />5. <br />compute Ia /P ....................... <br />= 0.1867 <br />6. <br />unit peak discharge, qu ...... csm /in <br />= 978.33 <br />7. <br />Runoff ,Q .........................in <br />= 1.2118 <br />8. <br />Pond & swap adjustment factor .... Fp <br />= 1.00 <br />9. <br />Peak Discharge,gp ...............cfs <br />= 16.6717 <br />Page 1 <br />