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Civil Software Design -- SEDCAD+ Version 3 <br />Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. <br />• Company Name: <br />Filename: A:\WSTH2O3 <br />Date: <br />WEST <br />Storm: 2.90 inches, 10 <br />Hydrograph <br />Greystone Development Consultants <br />User: C A BOUDREAU <br />09-26-1991 Time: 14:51:19 <br />PORTAL WATER TANKS AREA 1 <br />year-24 hour, SCS Type II <br />Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />J1, B1, S1 <br />DAM 1 <br />Drainage Area from J1, B1, S1, SWS(s)1: 0.1 acres <br />Total Contributing Drainage Area: 0.1 acres <br />POROUS ROCK CHECK DAM INPUTS: <br />Manning's <br />Height Slope Z n Porosity <br />----------------------------------------- <br />----------------------------------------- <br />1.5 15.00 3.0:1 0.025 40.00 <br />Trap Efficiency: 51.18 $ <br />• Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-ft) (cfs) (tons) (mg/1) ml/1 (ml/1) (ml/1) <br />IN 0.02 0.22 0.0 2112 <br />OUT 0.02 0.22 0.0 1031 <br />1.37 0.94 0.09 <br />0.56 0.38 0.03 <br />t**~~*****,t~t**,t~~~**t*~*~,t*,t**,t*~,t,t,t~**,t**t,t,t,t,t,t,t,t********,t******,t*****,t ,t ,t*,t** <br />J1, Bl, S2 <br />DAM 2 <br />Drainage Area from J1, B1, 52, SWS(s)1: 0.1 acres <br />Total Contributing Drainage Area: 0.3 acres <br />POROUS ROCK CHECK DAM INPUTS: <br />Manning's <br />Height Slope Z n Porosity <br />----------------------------------------- <br />----------------------------------------- <br />1.5 15.00 3.0:1 0.025 40.00 <br />Trap Efficiency: 41.98 ~ <br />. Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-ft) <br />------ (cfs) (tons) (mg/1) ml/1 (ml/1) (ml/1) <br />----- <br />IN 0.04 -------------------- <br />0.45 0.0 --------------- <br />1572 -------------------------------- <br />0.96 0.66 0.06 <br />