2018-01-31_PERMIT FILE - C1981019A ‎(8)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 1/31/2018
• 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 #9 (Pond)
ETD -1 Stock Pond
Pond Inputs:
Pond Results:
Velocity and Manning's n calculations may not apply for this method.
Initial Pool Elev:
w/o Freeboard w/ Freeboard
Depth:
0.34 ft 2.34 ft
Top Width:
14.03 ft 26.03 ft
Velocity*:
0.00%
X -Section Area:
4.40 sq ft
Hydraulic Radius:
0.311 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
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:
100.79 ft
H'graph Detention Time:
0.51 hrs
Pond Model:
CSTRS
Dewater Time:
Trap Efficiency:
0.68 days
75.62%
Dewatering time is calculated from peak stage to lowest spillway
N
Elevation -Capacity -Discharge Table
Filename: TR -117 Post Mining 10 YR 24 HR.sc4 Printed 11-10-2017