2011-06-29_PERMIT FILE - C1981019 ‎(15)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Attachment 1 to Attachment 12
• Section_Exhibit Name: Exhibit 07 East Taylor Pond 010A
• Media Type: D
• Archive: No

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SEDCAD 4 for Windows
f:nnvrinhf 1QOR -inin P -i. 1 Crhwah
23
Structure #19 (Pond
Sump pond on E Tay Creek at Sta 40
Pond Inputs:
Pond Results:
Initial Pool Elev:
90.01 ft
Initial Pool:
0.00 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
0.00%
*No sediment capacity defined
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
100.00 20.00 2.00:1 2.00:1 20.00
Peak Elevation:
100.56 ft
H'graph Detention Time:
2.43 hrs
Pond Model:
CSTRS
Dewater Ti me:
0.64 days
Trap Efficiency:
95.92 %
Dewatenng time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge Dewater
Time
(cfs) (hrs)
90.00
0.050
0.000
0.000 Top of Sed. Storage
90.01
0.050
0.001
0.000
90.10
0.050
0.005
0.000
90.50
0.059
0.027
0.000
91.00
0.070
0.059
0.000
91.50
0.083
0.097
0.000
92.00
0.096
0.142
0.000
92.50
0.111
0.193
0.000
93.00
0.127
0.253
0.000
93.50
0.143
0.320
0.000
94.00
0.161
0.397
0.000
94.50
0.180
0.482
0.000
95.00
0.200
0.577
0.000
Filename: E Taylor Sed Pond Post Mining Phase 10 24.so4 Printed 12 -12 -2010
Exh. 7 -ET -61 Revision Date: 12/31 /10
Revision No.: TR -81