2001-12-11_PERMIT FILE - C1996084 ‎(7)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15-20 MINE AREA P4 SEDIMENT CONTROL POND 4-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Co0Y~9ht 7998 Pamela J Schwab
Civil Sofhvare Design

Elevation Area

(ac) Capacity

(ac's) Discharge

(~s) Dewater
Tme
(hrs)
6,666.62 0.575 0.000 0.000 Top of Sed. Storage
6,667.00 0.593 0.222 0.000
6,667.50 0.616 0.525 0.000 low hole SPW tti
6,668.00 0.690 0.839 0.223 17.06'
6,668.50 0.665 1.165 0.315
+
12.53
j
~
6,669.00 0.690 1.504 0.609 9.24 Spillway !!1 wp
6,669.50 0.716 1.855 1.111 6.85
6,669.73 0.727 2.019 1.123 5.10 Peak Stage
6,670.00 0.742 2.219 1.137
6,670.50 0.768 2.597 1.162
6,671.00 0.795 2.987 1.187
6,671.50 0.822 3.392 1.211
6,672.00 0.850 3.810 1.258

r2C~ ~~~
Sl,~r)1~' ,ti-
V YV~
°Designates time(s) [o dewater have been extrapo/aced beyond the 50 hour hydrograph /init.
Detailed Discharge Table
r~
LJ

Elevation

Perf. Riser (ds) Combined
Total

Discharge
(ds)
6,666.62 0.000 0.000
6,667.00 0.000 0.000
6,667.50 2.00>0.000 0.000
6,668.00 0.223 0.223
6,668.50 2.00>0.316 0.315
6,669.00 0.609 0.609
6,669.50 1.111 1.111
6,670.00 1.137 1.137
6,670.50 1.162 1.162
6,671.00 1.187 1.187
6,671.50 1.211 1.211
6,672.00 1.256 1.258
Filename: Pond 4-3.sc4 Printed 04-17-2001