2014-10-07_PERMIT FILE - C1981018 ‎(2)‎

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 10/7/2014
• Doc Name: B-Seam Dewatering System
• Section_Exhibit Name: Illustration 55
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure #5 (Pond1
Dewatering Pond #4
Pond Inputs:
Pond Results:
Initial Pool Elev: 4.50 ft
w/o Freeboard w/ Freeboard
Design Discharge:
0.73 cfs
Depth:
Top Width:
Velocity:
X- Section Area:
0.11 ft
3.87 ft
1.92 fps
0.38 sq ft
Hydraulic Radius:
0.096 ft
Froude Number:
1.08
Initial Pool Elev: 4.50 ft
H'graph Detention Time:
0.47 hrs
Initial Pool:
0.20 ac -ft
Dewater Time:
0.36 days
*Sediment Storage:
0.00 ac -ft
(ac)
(ac -ft)
Dead Space:
20.00%
*No sediment capacity defined
Emergency Spillway
0.00
Spillway Elev Crest Length Left
Right Bottom
(ft) Sideslope
Sideslope Width (ft)
4.50 10.00 3.00:1
3.00:1 4.00
Peak Elevation: 4.84 ft
H'graph Detention Time:
0.47 hrs
Pond Model:
CSTRS
Dewater Time:
0.36 days
Trap Efficiency:
90.63
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity - Discharge Table
Filename: Dewatering Model - 1 0yr 2014 expansion.sc4 Printed 09 -15 -2014
Area
Capacity
Discharge Dewater
Elevation
Time
(ac)
(ac -ft)
(cfs)
(hrs)
0.00
0.020
0.000
0.000 Top of Sed. Storage
0.05
0.021
0.001
0.000
0.10
0.021
0.002
0.000
0.15
0.022
0.003
0.000
0.20
0.023
0.004
0.000
0.25
0.023
0.005
0.000
Filename: Dewatering Model - 1 0yr 2014 expansion.sc4 Printed 09 -15 -2014