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• <br />File: J:\OOJOBS\003-2166\Output Files\DNSSAS%1 10/31/00, 11:14:20AM <br />Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: GOLDER ASSOCIATES <br />Filename: C:\SEDCAD3\2166\DNSSAS User: WDP (modified & revised by TAC) <br />Date: 10-71-2000 Time: 11:05:29 <br />North Soil Storage Area Sediment Pond <br />Storm: 1.90 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />J1, B1, S1 <br />DNSSA-1 <br />Drainage Area from J1, 81, S1, SWS (sll: 3.4 acres <br />Total Contributing Drainage Area: 3.4 acres <br />MATERIAL: COBBLES AND SHINGLES <br />Triangular Earthen Channel <br />Limiting variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />• Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cf s) (f t) (~) <br />3.00 2.5:1 2.5:1 2.S 0.035 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(f t) (fps) (ft) <br />0.63 2.98 3.2 0.295 0.93 <br />w/ Freeboard: 0.63 3.2 <br />Runoff Peak Peak Sediment Peak Settleable <br />volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-f t) (cfs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) <br />IN/OUT 0.23 3.00 27.2 153153 58.77 31.35 7.60 <br />••aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaraaaaaaaaaaaararaaaaaaaaaaaaaeaaaaaaaaee <br />J1, B1, S2 <br />DNSSA-3 <br />Drainage Area from Ji, B1, S2, SWS (s)1: 7.0 acres <br />Total Contributing Drainage Area: 6.4 acres <br />MATERIAL: COBBLES AND SHINGLES <br />Triangular Earthen Channel <br />• Limiting Variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />6 <br />