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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
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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 />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />• Spillway Elev Crest Length <br />(k) Lek <br />Sideslope Right <br />Sideslope Bottom <br />Width (k) <br /> 6,690.00 10.00 2.50:1 2.50:1 2.00 <br />Pond Results: <br />Peak Elevation: 6,689.02 <br />H'graph Detention Tme: 15.47 hrs <br />Pond Model: CSTRS <br />Dewater Time: 6.60 days <br />Trap Effciency: 97.91 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br />• <br /> <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge <br /> <br />(~s) Dewater <br />Tme <br />(hrs) <br />6,680.98 0.420 0.000 0.000 Top of Sed. Storage <br />6,681.00 0.420 0.007 0.000 <br />6,681.50 0.426 0.218 0.000 <br />6,682.00 0.431 0.433 0.000 <br />6,682.50 0.436 0.649 0.000 <br />6,683.00 0.442 0.869 0.000 <br />6,683.50 0.447 1.091 0.000 <br />6,684.00 0.452 1.316 0.000 <br />6,684.50 0.458 1.544 0.000 <br />6,685.00 0.463 1.774 0.000 <br />6,685.50 0.469 2.007 0.000 <br />6,686.00 0.474 2.243 0.000 <br />6,686.50 0.480 2.481 0.000 Low hole SPW #1 <br />6,687.00 0.486 2.723 0.056 52.44' <br />6,687.50 0.491 2.967 0.079 37.51• <br />6,688.00 0.497 3.214 0.152 19.64" <br />6,688.50 0.503 3.464 0.190 15.90• <br />6,689.00 0.508 3.717 0.277 13.25 Spillway #1 <br />6,689.02 0.509 3.729 0.363 0.45 Peak Stage <br />6,689.50 0.514 3.972 2.152 <br />6,690.00 0.520 4.231 2.199 Spillway #2 <br />6,690.50 0.520 4.491 2.710 <br />6,691.00 0.520 4.751 11.359 <br />6,691.50 0.520 5.011 25.398 <br />6,692.00 0.520 5.271 46.270 <br />*Designates time(s) to dewater have been extrapolated beyond the so hour hydrograph limit. <br />Filename: pond?-2.snA Printetl 04-23-2001 <br />
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