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Scentsy South Campus Drainage Calculations_Page_3_Page_05
Trench C "M PROJECT: SCENTSY CDC WARE 2 DATE: 11-11-14 Drainage Area = 4221.00 ft2 Runoff Volume = 315 ft3 15% Sediment Storage = 47 ft3 age Volume Required = 362 ft3 Use this volume for # of MC -3500 Void Ratio = 40.00 % Percolation Rate = 8.00 in/hr Trench Width = 10.00 ft Trench Depth = 5.00 ft Storage/ft = Void Ratio * Depth * Width = 20.00 ff2 Sidewall Perc/ft = Depth * 2sides * Perc Rate = 6.7 ft2 Endwall Perc = Sidewall Perc * Width = 66.7 ft3 Length Required = Storage Volume - Endwall Perc Storage/ft + Sidewall Perc/ft = 11 ft = 1000.00 gallon fle Separation = 12.00 in de Width = 48.00 in oat Area = Baffle * Width = 4.00 fC Peak flow 100 YR 0.17 cfs )city through throat 0.04 ft/sec Less than 0.50 fps ok 1 - 1000 gallon grease traps Use Baffle Spacing of 12" CK Engineering, PC 860 Headwaters Dr_ Eagle, ID 83616 (208) 869-0590