2015-09-09_PERMIT FILE - C1981019A

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/9/2015
• Doc Name: West Taylor Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part C -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure #19 (Eondl
Stk Pnd 4
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
Depth:
0.28 ft
Top Width:
13.67 ft
Velocity*:
0.69 days
X- Section Area:
3.57 sq ft
Hydraulic Radius:
0.259 ft
Froude Number *:
Manning's n *:
Dmin:
1.00 in
D50:
3.00 in
Dmax:
3.75 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
Emeraencv SDillwa
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:
100.77 ft
H'graph Detention Time:
0.44 hrs
Pond Model:
CSTRS
Dewater Time:
0.69 days
Trap Efficiency:
43.33%
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Filename: W Tayl Sed Pond Post Mining 1024.sc4
15
Printed 12 -11 -2010
Exh. 7 -20C -129 Revision Date: 12/31/10
Revision No.: TR -81