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Civil SoY :ware ..~esLg.rx ~ ,. ..,~,, version ~.~ <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Filename: <br />p•r. <br />`` <br />Storm: 1.80 <br />Company Name: PEABODY COAL COMPANY <br />C:\SEDCAD3\CBA2 IIser: lIIlr <br />Date: 01-22-1994 Time: 15:00:03 <br />Pond li to include CRDA 3 and CBA 2 runoff <br />inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />SUBWATERSHED/STRUCTURE INPUT/OUTPUT TABLE <br />__--_-~.e .a..ee=oee-~_.-__ ~_--___-_ =e <br />-Hydrology- <br /> <br />Base- Runoff Peak <br />JBS SWS Area CN UHS Tc K X Flow Volume Discharge <br />(ac) (hrs) (hrs) (cfs) (ac-ft) (cfs) <br />----------------------------- ----- ---------- ------ <br />111 1 11.32 86 F 0.056 0.000 0.000 0.0 0.66 8.58 <br />Type: Null Label: CBA 2 <br />111 Structure 11.32 0.66 <br />111 Total IN/OUT 11.32 0.66 8.58 <br />--------------- <br />121 1 39,36 90 F 0.169 0.000 0.000 0.0 3.04 35.16 <br />Type: Null Label: CRDA 3 <br />121 Structure 39.36 3.04 <br />121 Total IN/OUT 39.36 3.04 35.16 <br /> <br />~~y:II Capacity Cameo Borrow Area No. 2 ('CBA 2j only <br />Runoff Storage - 10 year - 24 hour =0.40 A.F. <br />Sediment storage - 147.6 tons X 2000/75 lbs/CF/43560 cf/A. F, X 3 years =0.27 A.F. <br />Total =0.67 A.F. <br />Spillway Capacity 25 year 24 hour =8.58 CFS <br />Pond II Capacity CRDA 3 8 CBA 2 <br />Runoff storage - 10 year - 24 hour - 0.40 + 1.99 <br />Sediment Storage (147.6 + 907.3) X 2000/75 lbs/cf/43560 CF/A. F. X 3 yrs <br />total <br />Spillway Capacity - 25 year 24 hour - 8.58 + 35.16 <br />New 2/4/94 <br />~.• <br />=2.39 A.F. <br />°1.94 A.F. <br />°4.33 A.F. <br />=43.74 CF5 <br />CRDA3-2 <br />