2011-06-17_PERMIT FILE - C1981018A ‎(2)‎

• Permit No: C1981018A
• IBM Index Class Name: Permit File
• Doc Date: 6/17/2011
• Doc Name: B-Seam Dewatering System
• Section_Exhibit Name: Illustration 55
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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• Structure #1 (eond)
•
Dewatering Pond #1
Pond Inputs:
Pond Results:
Structure Detail;
Initial Pool Elev:
4.00 ft
Initial Pool:
0.24 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
20.00%
*Sediment capacity based on Average Annual R of 16.6 for 3 year(s)
Emergency Spillway
Spillway Elev Crest Length Left Right . Bottom
(ft) Sideslope Sideslope Width (ft)
4.00 6.00 3.00:1 3.00:1 5.00
Peak Elevation:
4.23 ft
H'graph Detention Time:
0.20 hrs
Pond Model:
CSTRS
Dewater Time:
0.50 days
Trap Efficiency:
95.92
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Elevation , `
Area
(ac)
Capacity ,
(ac -ft)
Discharge Dewater
Time
(cfs)
(hrs)
0.04
0.030
0.000
0.000 Top of Sed. Storage
0.05
0.030
0.000
0.000
0.10
0.031
0.002
0.000
0.15
0.032
0.003
0.000
0.20
0.032
0.005
0.000
0.25
0.033
0.007
0.000
0.30
0.034
0.008
0.000
0.35
0.034
0.010
0.000
0.40
0.035
0.012
0.000
0.45
0.036
0.013
0.000
0.50
0.037
0.015
0.000
0.55
0.037
0.017
0.000
7
Filename: Dewatering model - 1 0yr concrete outlet 5- 11.sc4 Printed 05 -19 -2011