2008-01-16_PERMIT FILE - C1994082A ‎(2)‎

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 1/16/2008
• Doc Name: Sediment Ponds SEDCAD4 Results
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
IlnnvrinM 100E Pamela I CnMual•
• Structure Detai/;
Structure #1 (Pond)
Pond 11 A
Pond Inputs:
Initial Pool Elev: 7,421.50
Initial Pool: 2.80 ac-ft
Droa Inlet
Riser Riser Height Barrel Barrel Barrel Slope
'
Diameter (ft) Diameter Length (ft) (070) Manning
s n Spillway Elev
(in) (in)
12.00 5.00 12.00 100.00 5.00 0.0150 7,421.50
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
7,424.00 20.00 3.00:1 3.00:1 10.00
• Pond Results:
Peak Elevation: 7,424.82
Dewater Time: 0.72 days
Dewatering time is calculated from peak stage to lowest spi/lway
Elevation-Capacity-Discharge Table
u

Elevation Area

(ac) Capacity

(ac-ft) Discharge Dewater
Time
(~) (hrs)
7,410.00 0.090 0.000 0.000
7,410.50 0.100 0.048 0.000
7,411.00 0.111 0.100 0.000
7,411.50 0.123 0.159 0.000
7,412.00 0.235 0.223 0.000
7,412.50 0.147 0.294 0.000
7,413.00 0.159 0371 0.000
7,413.50 0.172 0.454 0.000
7,414.00 0.186 0.543 0.000
7,414.50 0.199 0.639 0.000
7,415.00 0.213 0.743 0.000
7,415.SD 0.227 0.853 O.ODO
Filename: Pond 11 A 25yr.sc4 Printed 09-22-2003