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Civil Software Design -- SEDCAD+ Version 3.0 Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. Company Name: Peabody Coal Company Filename: E:\SEDCAD3\005\005AB User: R.J.G. Date: 08-11-1992 Time: 13:51:07 SENECA II-W POND 005 (AS-BUILT) lOYR.-24HOUR Storm: 1.60 inches, 10 year-24 hour, SCS Type II Hydrograph Convolution Interval: 0.1 hr ------------------------------------------- ------------------------------------------- __ELEVATION-AREA-CAPACITY-DISCHAR ~ TABLE ------------------------------------------- J1, B1, S3 POND 005 AS-BUILT Drainage Area from J1, B1, S3, SWS(s)1: 31.7 acres Total Contributing Drainage Area: 289.9 acres SW#1: Drop Inlet SW#2: Emergency Spillway Elev Stage Area Capacity Discharge (ft) (ac) (ac-f t) (cfs) • 6857.0 0.0 0.1 0.00 6864.0 7.0 0.5 2.25 6864.4 0.0 0.5 0.00 0.00 Top of Sediment Storage (0 Stag 6865.0 0.6 0.6 0.35 0.00 e 6866.0 1.6 0.6 0.96 0.00 6867.0 2.6 0.7 1.61 0.00 6868.0 3.6 0.7 2.32 0.00 6869.0 4.6 0.8 3.07 0.00 6870.0 5.6 0.8 3.88 0.00 6871.0 6.6 0.9 4.74 0.00 6872.0 7.6 0.9 5.64 0.00 6872.2 7.8 0.9 5.83 0.00 Stage of SW#1 6873.0 8.6 0.9 6.59 13.35 Peak Stage 6873.0 8.6 1.0 6.60 13.53 6874.0 9.6 1.0 7.61 20.29 6874.1 9.7 1.0 7.72 20.85 Stage of SW#2 6874.8 10.4 1.1 8.44 24.21 6874.9 10.5 1.1 8.55 37.92 6875.0 10.6 1.1 8.66 42.70 6875.0 10.6 1.1 8.68 47.60 6875.1 10.7 1.1 8.77 47.92 6875.6 11.2 1.1 9.33 83.95 6876.0 11.6 1.2 9.82 132.92 6876.1 11.7 1.2 9.91 133.21 6876.6 12.2 1.2 10.50 193.71 6877.0 12.6 1.2 11.02 274.15 6877.1 12.7 1.2 11.12 274.40 6877.6 13.2 1.3 11.75 374.13 6878.0 13.6 1.3 12.29 498.39 6878.1 13.7 1.3 12.39 498.62 6878.6 14.2 1.3 13.06 632.19 6879.0 14.6 1.4 13.63 788.60 ~~~~~*** ******* ~****** *********~******************r******+*****~**~***********r