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Civil Software Design -- SEDCAD+ Version 3.1 Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. • Company Name: GOLDER ASSOCIATES INC. Filename: D:\MTNCOAL\MDW&TFSA User: WDP Date: 06-01-1998 Time: 11:34:42 SAE for Mine Dewatering & Treatment Facility Storm: 1.90 inches, 10 year-24 hour, SCS Type II Hydrograph Convolution Interval: 0.1 hr --------------------------------------------- --------------------------------------------- SUBWATERSHED/STRUCTURE INPUT/OUTPUT TABLE --------------------------------------------- --------------------------------------------- -Hydrology- Base- Runoff Peak JBS SWS Area CN UHS Tc K X Flow Volume Discharge (ac) (hrs) (hrs) (cfs) (ac-ft) (cfs) 111 1 0.37 89 F 0.068 0.000 0.000 0.0 0.03 0.36 Type: Nu11 Label: MDW&T 111 Structure 0.37 0.03 111 Total IN/OUT 0.37 0.03 0.36 --------------------------------------------- --------------------------------------------- • _-SUBWATERSHED/STRUCTURE-INPUT/OUTPUT-TABLE_- -Sedimentology- SED: Sediment SCp: Peak Sediment Concentration SSp: Peak Settleable Concentration 24VW: Volume Weighted Average Settleable Concentration - Peak 24 hours 24AA: Arithmetic Average Settleable Concentration - Peak 24 hours PS JBS SWS K L S CP Tt # SED SCp SSp 24VW 24AA (ft) (°s) (hrs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- M 111 1 0.32 175.0 0.5 0.050 0.000 1 0.0 Type: Null Label: MDW&T 111 Structure 0.0 ----------------------------------------------------------------------------- 111 Total IN/OUT 0.0 684 0.26 0.16 0.02 ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- LJ