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Civil Software Dasiga -- 9EDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Mamas PEABODY WBSTERN COAL COMPANY <br />Pileaame: C:~SEDCAD3~YOAST~R3Al1-0 User: MOA <br />Date: 05-03-1997 Time: 13:56:32 <br />REVISED POND 11 (l0yr.-24hr. Precip. Event 1.7 inch) <br />Storm: 1.70 inches, 10 year-26 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 6r <br />POND INPUT/OUTPUT TABLE <br />J1, 81, S1 <br />POND 011 <br />Drainage Area from J1, B1, S1, SWS(s)1-2: 161.3 acres <br />Total Contributing Drainage Area: 141.3 acres <br />DISCHARGE OPTIONS: <br />Trickle Emergency <br />Tube Spillway <br />Riser Diameter (ia) ---- ---- <br />Riser Haight (ft) ---- ---- <br />Barrel Diameter (in) 12.0 ---- <br />Harrel Length (ft) 90.00 ---- <br />Barrel 81ope (9) 2.00 ---- <br />Manniag's a of Pipe 0.024 ---- <br />Spillway Elevation 7008.5 ---- <br />Lowest Elevation of Holes ---- ---- <br />~` of Holes/Elevation ---- ---- <br />8ntrance Loss Coefficient 0.9 ---- <br />Tailwater Depth (ft) 1.0 ---- <br />Notch Angle (degrees) ---- ---- <br />Weir Width (ft) ---- ---- <br />Siphon Crest Elevation ---- ---- <br />Siphon Tube Diameter (in) ---- ---- <br />Siphon Tube Length (ft) ---- ---- <br />Manaiag's a of Siphon ---- ---- <br />Siphon Islet Elevation ---- ---- <br />Siphon Outlet Elevation ---- ---- <br />Emergency Spillway Elevation ---- 7011.5 <br />Crest Length (ft) ---- 50.0 <br />2:1 (Left and Right) -- -- 3.0 3.0 <br />Bottom Width (ft) ---- 30.0 <br />POND RESULTS: <br />Sediment Permanent Dead Sediment <br />Storages Pool Space Algorithm <br />(ac-ft) (ae-ft) (6) <br />0.87 1.97 20.00 DEPOSITS <br /> <br />• <br />• <br />