2010-11-19_PERMIT FILE - C1980007 ‎(33)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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36
Structure #42 (Pond
CRPE -3W
Pond Inputs:
Initial Pool Elev:
w/o Freeboard w/ Freeboard
Froude Number:
1.43
Manning's n:
0.0510
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #42 (Pond
CRPE -3W
Pond Inputs:
Initial Pool Elev:
1.00 ft
Initial Pool:
0.00 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
20.00%
*No sediment capacity defined
Straight Pipe
•
Barrel Barrel
4.75 ft
Entrance Tailwater
Barrel
Manning's Spillway
CSTRS
Diameter Length
0.50 days
Loss Depth
Slope ( %)
n Elev (ft)
(ac)
(in) (ft)
(cfs)
Coefficient (ft)
24.00 80.00 20.00
0.0240 1.00
0.90 0.00
Pond Results:
Peak Elevation:
4.75 ft
H'graph Detention Time:
0.01 hrs
Pond Model:
CSTRS
Dewater Time:
0.50 days
Trap Efficiency:
25.82%
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
/ 1
Filename: RPE Pile.sc4
Printed 10 -07 -2010
Area
Capacity
Discharge
Dewater
Elevation
Time
(ac)
(ac -ft)
(cfs)
(hrs)
0.00
0.002
0.000
0.000
Top of Sed. Storage
0.50
0.002
0.001
0.000
1.00
0.002
0.002
0.000
Spillway #1
1.50
0.002
0.003
1.486
10.45
2.00
0.003
0.004
4.189
1.05
Filename: RPE Pile.sc4
Printed 10 -07 -2010