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Civil Software Dasiga -- SSDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Names PBAHODY WBSTERN COAL COMPANY <br />Fileaama: C: \SBDCAD3\YOAST\P11ASH10 User: MOA <br />Date: 11-25-1997 Times 12:36:07 <br />SEDIMENT POND 11 AS-BUILT (lOYR.-24HR. PRECIP. EVBNT 1.7 INCH) <br />Storm: 1.70 iachee, 30 pear-24 hour, SCS Tppa II <br />Hydrograph Coavolutioa Interval: 0.1 hr <br />----------------------------------------- <br />------------------------------------------- <br />SLEVATION-AREA-CAPACITY-DISCHARGE TAHLB <br />J1, 81, 81 <br />POND 011 AS-BUILT <br />Drainage Area from J1, B1, 81, SWS(s)1-2: 161.3 acres <br />Total Coatributiag Drainage Area: 141.3 acres <br />SW#1: Trickle Tube <br />SW#2: Emergency Spillway <br />Elev Stage Area Capacity Discharge <br /> (ft) (ac) (ac-ft) (cfs) <br /> <br />6990.00 0.00 0.01 0.00 <br />6994.00 4.00 0.12 0.28 <br />6994.13 0.00 0.12 0.29 0.00 Top of Sediment Storage (O Stage) <br />00 0.87 0.14 0.12 0.00 <br />.00 1.87 0.17 0.27 0.00 <br />6997.00 2.87 0.20 0.66 0.00 <br />6998.00 3.87 0.23 0.67 0.00 <br />6999.00 4.87 0.26 0.92 0.00 <br />7000,00 5.87 0.30 1.20 0.00 <br />7001.00 6.87 0.33 1.52 0.00 <br />7002.00 7.87 0.37 1.87 0.00 <br />7003.00 8.87 0.61 2.26 0.00 <br />7006.00 9.87 0.45 2.69 0.00 <br />7004.40 10.27 0.47 2.87 0.00 Stage of SW#1 <br />7004.41 10.28 0.47 2.88 0.02 <br />7005.00 10.87 0.49 3.16 0.98 <br />7006.00 11.87 0.54 3.68 3.63 <br />7006.67 12.56 0.55 4.06 4.78 Peak Stage <br />7007.00 12.87 0.36 4.23 5.34 Stage of SW#2 <br />7007.63 13.50 0.58 4.58 20.95 <br />7007.73 13.60 0.58 4.64 23.43 <br />7007.83 13.70 O.SB 6.70 28.70 <br />7007.93 13.80 0.59 4.76 34.48 <br />7008.00 13.87 0.59 4.80 40.76 <br />7008.43 14.30 0.61 5.06 74.29 <br />7008.93 14.80 0.63 5.37 126.43 <br />7009.00 14.87 0.64 5.61 ~ 135.67 <br />7009.43 15.30 0.66 5.69 189.06 <br />~.50 15.37 0.66 5.76 203.73 <br />wrwrww rw rwrrwrwwrwrw w,rww.w»wrwwrwr»wwwrrwwwwsrwwr»ww wwwrwwwr»wwwwwwwwwwwrww <br />