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

ICI
•
SEDCAD 4 for Windows
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Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Pond
sump between uppr and middl
Pond Inputs:
Pond Results:
Initial Pool Elev: 90.01 ft
w/o Freeboard w/ Freeboard
Top Width:
14.01 ft 20.01 ft
Velocity*:
Dead Space:
X- Section Area:
4.37 sq ft
Hydraulic Radius:
0.309 ft
Froude Number *:
Manning's n *:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Pond
sump between uppr and middl
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:
100.53 ft
H'graph Detention Time:
2.69 hrs
Pond Model:
CSTRS
Dewater Time:
0.62 days
Trap Efficiency:
100.00%
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
16
Filename: E Taylor Sed Pond Post Mining Phase 10 24.sc4 Printed 12 -12 -2010
Exh. 7 -ET -54 Revision Date: 12/31/10
Revision No.: TR -81