Laserfiche WebLink
Culvert 179 <br />Time of Concentration (SCS) <br />Curve Number: 62 <br />Length of Flow: 1095.97 ft <br />Average Land Slope: 5.85 % <br />Time of Concentration: 0.388 hrs, 23.3 mins <br />Graphical Peak Discharge Thu Jun 09 09:05:10 2016 <br />Project: New Horizon Mine By: JSS Date: 06/09/16 <br />Location: C179 Checked: Date: <br />Present <br />1. Data: <br />Drainage area: .................... A = 16.3349Acres <br />Runoff Curve Number: ............. CN = 62 <br />Time of Concentration: ........... Tc = 0.39 <br />Storm Type: ....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr = 10 <br />3. Rainfall,P(24-hour).............. in = 2.00 <br />4. Initial abstraction, Ia............ = 1.2258 <br />5. Compute Ia/P....................... = 0.6129 <br />6. Unit peak discharge, qu...... csm/in = 264.38 <br />7. Runoff,Q.........................in = 0.0868 <br />8. Pond & swap adjustment factor .... Fp = 1.00 <br />9. Peak Discharge,gp...............cfs = 0.5859 <br />Attachment 2.05.3(3)-1 Page 73 June 2016 (TR -73) <br />