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Civil Softcaare Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: ACZ, INC. <br />• Filename: J:\891\SEDCAD\STREETER User: K. Kammerzell <br />Date: 10-14-1998 Time: 11:00:15 <br />Streeter Pond (4/97 Post-Mining Topography) <br />Storm: 2.30 inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />POND INPUT/OUTPUT TABLE <br />............................................................................... <br />CAUTION: THE STAGE OF YOUR PRINCIPLE SPILLWAY MAY CAUSE BED SCOUR. <br />YOUR OBSERVED EFFLUENT MAY NOT MEET THE DESIRED EFFLUENT STANDARD. <br />INCREASE THE STAGE OF YOUR PRINCIPAL SPILLWAY. <br />............................................................................... <br />J4, Bl, S1 <br />Streeter Pond <br />Drainage Area from J4, B1, S1, SWS(s)1-2: <br />Total Contributing Drainage Area: <br />DISCHARGE OPTIONS: <br />Perf. Emergency <br />Riser Spillway <br />Romer Diameter (in) 12.0 ---- <br />Riser Height (ft) 1.70 ---- <br />Barrel Diameter (in) 18.0 ---- <br />Barrel Length (ft) 70.00 ---- <br />Barrel Slope (o) 4.50 ---- <br />Manning's n of Pipe 0.015 ---- <br />Spillway Elevat ion 6585.0 ---- <br />Lowest Elevation of Holes 6582.9 ---- <br />~ of Holes/Elevation 2 ---- <br />Entrance Loss Coefficient ---- ---- <br />Tailwater Depth (ft) ---- ---- <br />Notch Angle (degrees) ---- ---- <br />Weir Width (ft) ---- ---- <br />Siphon Crest Elevation ---- ---- <br />Siphon Tube Diameter (in) ---- ---- <br />Siphon Tube Length (ft) ---- ---- <br />Manning's n of Siphon ---- ---- <br />Siphon Inlet Elevation ---- ---- <br />Siphon Outlet Elevation ---- ---- <br />~gency Spillway Elevation ____ 6588.0 <br />st Length (ft) 45.0 <br />Z:1 (Left and Right) -- -- 2 2 <br />Bottom Width (ft) ---- 20.0 <br />32.3 acres <br />1207.8 acres <br />