2011-06-29_PERMIT FILE - C1981019A ‎(19)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: West Taylor Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part C -ST
• Media Type: D
• Archive: Yes

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0
SEDCAD 4 for Windows
r- -inhl 1QQR - 7!11!1 P.-.i. 1 C�huiah
Structure #17 (Pond)
Stk Pnd 5
Pond Inputs:
Pond Results:
Velocity and Manning's n calculations may not apply for this method.
Initial Pool Elev: 100.00 ft
w/o Freeboard w/ Freeboard
Design Discharge:
27.43 cfs
Depth:
0.30 ft
Top Width:
13.80 ft
Velocity*:
32.73%
X- Section Area:
3.86 sq ft
Hydraulic Radius:
0.278 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.
Initial Pool Elev: 100.00 ft
Initial Pool:
2.01 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:
100.82 ft
H'graph Detention Time:
0.42 hrs
Pond Model:
CSTRS
DewaterTime:
0.75 days
Trap Efficiency:
32.73%
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
18
Filename: W Tayl Sed Pond Post Mining 1024.sc4 Printed 12 -11 -2010
Exh. 7 -20C -132 Revision Date: 12/31/10
Revision No.: TR -81