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2001-12-11_PERMIT FILE - C1996084 (3)
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2001-12-11_PERMIT FILE - C1996084 (3)
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Last modified
10/13/2016 10:40:32 AM
Creation date
11/25/2007 6:28:24 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996084
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
EXHIBIT 15-24 MINE AREA P7 SEDIMENT CONTROL POND 7-2
Media Type
D
Archive
No
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SEDCAD 4 for Windows <br />Copynght 1998 Pamela J. Schwab <br />Civil Software Design <br />Structure Detai/: <br />Structure #1 Erodible Channel) <br />D7-~: upper slope, coal ~ ~ r <br />Triangular Erodible Channel Inputs: <br />Material: Graded loam to cobbles when noncolloidal <br />LeR Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Manning's n Mult <br />x Velocity <br />Ratio Ratio . <br />Depth (R) % of Depth (VxD) (Fps) <br />3.0:1 3.0:1 1.7 0.0300 0.30 5.0 <br />Erodible Channel Results: <br />• <br />Structure #2 (Pond <br />n, slope, s. slope <br />Pond Inputs: <br /> w/o Freeboard <br />Design Discharge: 16.58 ffs <br />Depth: 1.14 R <br />Top Width: 6.81 R <br />Velocity; 4.29 fps <br />%-Section Area: 3.87 sq R <br />Hydraulic Radius: 0.539 <br />Froude Number: 1.00 <br />Initial Pool Elev: 6,686.50 <br />Initial Pool: 2.48 ac-R <br />`Sediment Storage: 2.33 ac-R <br />Dead Space: 20.00 <br />*Sediment capacity based on Average Annual R of 70.0 for 3 year(s) <br />Perforated Riser <br />r Riser Height <br />' Barrel Barrel Barrel Slope Number of <br />' <br />D <br />meter (R) Dia Length (R) (%) Manning <br />s n Spillway Elev Holes per <br />(in) i) Elev <br /> 12.00 8.00 8.00 90.00 3.00 0.0240 6,689.00 3 <br />1 `/ `/ ~/ <br /> <br />Emergency Spillway <br />6 <br />Filename: pond?-2.sc4 Printed 04-23-2001 <br />
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