Laserfiche WebLink
6. Unit peak discharge, qu ...... csm/in = 893.12 <br />7. Runoff, Q .........................in = 0.7439 <br />8. Pond & swap adjustment factor .... Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 5.7095 <br />DITCH C11 <br />Time of Concentration (SCS Method) <br />Curve Number: 80 <br />Length of Flow (ft): 3808.95 <br />Average Land Slope (percent): 4.3 <br />Time of Concentration (hrs): 0.74 <br />DITCH C11 <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />By: GL Date: 02/16/06 <br />Location: DITCH C11 <br />Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... <br />A = 62.4000 Acres <br />Runoff Curve Number: ............. <br />CN = 80 <br />Time of Concentration: ........... <br />Tc = 0.74 <br />Storm Type: ....................... <br />=11 <br />Pond and swamp areas spread <br />throughout watershed ............... <br />= 0.20 percent of A 0.1248 Acres <br />2. Frequency ........................yr <br />= 100 <br />3. Rainfall ,P(24 - hour) .............. <br />in = 3.00 <br />4. Initial abstraction, la............ <br />= 0.5000 <br />5. Compute la /P ....................... <br />= 0.1667 <br />6. Unit peak discharge, qu ...... <br />csm/in = 404.73 <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -21 <br />