2016-09-19_PERMIT FILE - C1996084 ‎(5)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 9/19/2016
• Section_Exhibit Name: Exhibit 15-11 Fill 9 SEDIMENT CONTROL POND 009
• Media Type: D
• Archive: No

0
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SEDCAD 4 for Windows
Copynghl 1998 Pamela J Schwab
Civil Software Design
Structure #4 (Eond1
Pond
Pond Inputs:
Pond Results:
Structure Detail;
Initial Pool Elev:
6,905.00
Initial Pool:
2.33 ac -ft
"Sediment Storage:
0.39 ac -ft
Dead Space:
20.00%
'Sediment capacity based on Average Annual R of 70.0 for 3 year(s)
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,905.00 24.00 2.50:1 2.50:1 15.00
Peak Elevation:
6,905.98
H'graph Detention Time:
0.71 hrs
Pond Model:
CSTRS
Dewater Time:
0.81 days
Trap Efficiency:
84.15%
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge Dewater
Time
(ds) (hrs)
6,896.69
0.236
0.000
0.000 Top of Sed. Storage
6,897.00
0.240
0.075
0.000
6,897.50
0.245
0.196
0.000
6,898.00
0.250
0.319
0.000
6,898.50
0.255
0.445
0.000
6,899.00
0.260
0.574
0.000
6,899.50
0.265
0.705
0.000
6,900.00
0.271
0.839
0.000
6,900.50
0.276
0.976
0.000
6,901.00
0.281
1.115
0.000
6,901.50
0.287
1.257
0.000
6,902.00
0.292
1.402
0.000
Filename: 25pond9new.sc4 Printed 07-26-2001