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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11
Structure #5 (Pond
WTD -1 Stock Pond
Pond Inputs:
Pond Results:
Initial Pool Elev: 100.00 ft
Initial Pool: 2.01 ac -ft
Emergency Spillwax
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: 100.96 ft
Dewater Time: 0.69 days
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
w/o Freeboard w/ Freeboard
Froude Number:
0.91
Manning's n:
0.0320
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Initial Pool Elev: 100.00 ft
Initial Pool: 2.01 ac -ft
Emergency Spillwax
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: 100.96 ft
Dewater Time: 0.69 days
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
Filename: TR -117 Post Mining 25 YR 24 HR.sc4 Printed 11-10-2017
Area
Capacity
Discharge Dewater
Elevation
Time
(ac)
(ac -ft)
(cfs) (hrs)
90.00
0.050
0.000
0.000
90.01
0.050
0.001
0.000
90.50
0.060
0.027
0.000
91.00
0.072
0.060
0.000
91.50
0.084
0.099
0.000
92.00
0.098
0.145
0.000
92.50
0.112
0.197
0.000
93.00
0.128
0.257
0.000
93.50
0.144
0.325
0.000
94.00
0.162
0.402
0.000
94.50
0.181
0.487
0.000
95.00
0.200
0.583
0.000
95.50
0.215
0.686
0.000
Filename: TR -117 Post Mining 25 YR 24 HR.sc4 Printed 11-10-2017