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2016-08-08_PERMIT FILE - C1981019A (115)
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2016-08-08_PERMIT FILE - C1981019A (115)
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Last modified
5/9/2023 2:58:41 PM
Creation date
9/28/2016 10:23:29 AM
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
8/8/2016
Doc Name
Sediment Control System Analysis at End of Mining
Section_Exhibit Name
Volume 18 Exhibit 7 Item 23 Part I
Media Type
D
Archive
Yes
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SEDCAD 4 for Windows <br />!`nn..nnh4 100Q In+n D -1c I Cnh..—K <br />Structure #36 (Pond <br />Sec 36 Pond <br />Pond Inputs: <br />Initial Pool Elev: <br />Stability Stability <br />Class D w/o Class D w/ <br />Freeboard Freeboard <br />Capacity Capacity <br />Class B w/o Class B w/ <br />Freeboard Freeboard <br />Design Discharge: <br />19.08 cfs <br />19.08 cfs <br />Depth: <br />0.37 ft <br />0.64 ft <br />Top Width: <br />14.22 ft <br />15.86 ft <br />Velocity: <br />3.93 fps <br />2.13 fps <br />X -Section Area: <br />4.85 sq ft <br />8.96 sq ft <br />Hydraulic Radius: <br />0.338 ft <br />0.557 ft <br />Froude Number: <br />1.19 <br />0.50 <br />Roughness Coefficient: <br />0.0534 <br />0.1381 <br />Structure #36 (Pond <br />Sec 36 Pond <br />Pond Inputs: <br />Initial Pool Elev: <br />7,116.00 ft <br />Initial Pool: <br />1.38 ac -ft <br />*Sediment Storage: <br />0.00 ac -ft <br />Dead Space: <br />20.00% <br />*No sediment capacity defined <br />Emergency SpillwaX <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,125.00 43.00 2.50:1 2.50:1 20.00 <br />Perforated Riser <br />Riser <br />Riser Height <br />Barrel <br />Barrel Barrel Slope <br />Number of <br />Spillway Elev <br />Diameter (ft) <br />Diameter Length (ft) (%) <br />Manning's n (ft) Holes per <br />(in) <br />(in) <br />Elev <br />18.00 11.00 <br />24.00 160.00 1.30 <br />0.0240 7,118.00 2 <br />Pond Results: <br />Peak Elevation: <br />7,118.48 ft <br />H'graph Detention Time: <br />5.88 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.11 days <br />Trap Efficiency: <br />67.21 % <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />17 <br />Filename: Rev 3 PR04 East Side Ponds sed EOM 1024 sc4 Printed 02-13-2016 <br />Exh. 7-23I-61 Revision Date: 2/15/2016 <br />Revision No.: PR -04 <br />
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