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Civil Software Design -- 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\006\006_25 User: RJG <br />Date: 12-10-1991 Time: 07:52:59 <br />SENECA II-W MINE POND 006 PHASE-II AS-BUILT (25YR.-24HR.) <br />Storm: 2.10 inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />--------------------------- <br />--------------------------- <br />POND INPUT/OUTPUT TABLE <br />J1, B1, S2 <br />POND 006 PHASE-II <br />Drainage Area from J1, B1, S2, SWS(s)1: 411.1 acres <br />Total Contributing Drainage Area: 752.5 acres <br />DISCHARGE OPTIONS: <br />• <br />Emergency <br />Spillway <br />- ------------------------------------------------------------------------- <br />Riser Diameter (in) ---- <br />Riser Height (ft) ---- <br />Barrel Diameter (in) ---- <br />Barrel Length (ft) ---- • <br />Barrel Slope (~) ---- <br />Manning's n of Pipe ---- <br />Spillway Elevation ---- <br />Lowest Elevation of Holes ---- <br /># of Holes/Elevation ---- <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 />Emergency Spillway Elevation 7070.8 <br />Crest Length (ft) 50.0 <br />Z:1 (Left and Right) 3 3 <br />Bottom Width (ft) 15.0 <br />POND RESULTS: • <br />Permanent <br />Pool <br />(ac-ft) <br />18.0 <br />