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Civil Software Desiqn -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. <br />• Company Name: Peabody Coal Company <br />Filename: E:\SEDCAD3\008\008AB10 User: RJG <br />Date: 08-24-1992 Time: 07:53:48 <br />SENECA MINE POND 008 AS-BUILT(lOYR.-24HR.STORM) <br />Storm: 1.60 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.2 hr <br />ELEVATION-AREA-CAPACITY-DISCHARGE TABLE <br />------------------------------------------- <br />------------------------------------------- <br />J1, B1, S2 <br />POND 008 AS-BUILT <br />Drainage Area from J1, B1, S2, SWS(s)1-2: 227.4 acres <br />Total Contributing Drainage Area: 340.9 acres <br />SW#1: Perforated Riser <br />SW#2: Emergency Spillway <br />Elev Stage Area Capacity Discharge <br />(ft) (ac) (ac-ft) (cfs) <br />7002.0 0.0 0.0 0.00 0.00 Top of Sediment Storage (0 Stage) <br />7003.0 1.0 0.1 0.05 0.00 <br />7004.0 2.0 0.2 0.22 0.00 <br />05.O 3.0 0.4 0.55 0.00 <br />~ <br />06.0 4.0 0.6 1.08 0.00 <br />7007.0 5.0 0.8 1.81 0.00 <br />7008.0 6.0 1.0 2.72 0.00 <br />7009.0 7.0 1.2 3.81 0.00 <br />7010.0 8.0 1.4 5.08 0.00 <br />7011.0 9.0 1.5 6.51 0.00 <br />7011.5 9.5 1.6 7.30 0.00 Low Orifice of SW#1 <br />7012.0 10.0 1.8 8.15 0.41 <br />7013.0 11.0 1.9 10.00 0.71 <br />7014.0 12.0 2.0 11.98 0.92 <br />7014.4 12.4 2.1 12.82 0.98 Peak Stage <br />7015.0 13.0 2.2 14.11 1.09 Stage of SW#1 <br />7015.8 13.8 2.3 15.93 13.53 Stage of SW#2 <br />7016.0 14.0 2.4 16.40 15.13 <br />7016.5 14.5 2.5 17.61 38.40 <br />7016.6 14.6 2.5 17.85 45.22 <br />7016.7 14.7 2.5 18.10 52.68 <br />7016.8 14.8 2.5 18.35 60.76 <br />7017.0 15.0 2.5 18.86 80.57 <br />7017.3 15.3 2.6 19.62 115.28 <br />7017.8 15.8 2.7 20.94 182.05 <br />7018.0 16.0 2.7 21.47 213.50 <br />7018.3 16.3 2.8 22.29 265.36 <br />7018.8 16.8 2.9 23.70 373.21 <br />19.0 17.0 2.9 24.28 421.90 <br /> <br />