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
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Vegetated Channel Results:
Structure #8 (Pond)
sump at Sta 17
Pond Inputs:
Pond Results:
Initial Pool Elev: 90.01 ft
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
13.47 cfs
0.56 days
13.47 cfs
96.39%
Depth:
0.49 ft
1.49 ft
0.90 ft
1.90 ft
Top Width:
14.93 ft
20.93 ft
17.40 ft
23.40 ft
Velocity:
2.05 fps
1.02 fps
X- Section Area:
6.57 sq ft
13.23 sq ft
Hydraulic Radius:
0.436 ft
0.748 ft
Froude Number:
0.54
0.21
Roughness Coefficient:
0.0604
0.1745
Structure #8 (Pond)
sump at Sta 17
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:
100.38 ft
H'graph Detention Time:
4.03 hrs
Pond Model:
CSTRS
Dewater Time:
0.56 days
Trap Efficiency:
96.39%
Dewater/ng time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
11
Filename: E Taylor Sed Pond Post Mining Phase 10 24.sc4 Printed 12 -12 -2010
Exh. 7 -ET -49 Revision Date: 12/31/10
Revision No.: TR -81