2011-03-21_PERMIT FILE - C2009087A ‎(15)‎

• Permit No: C2009087A
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2011
• Doc Name: Upper Sump Design 10yr/24hr Storm Event
• Section_Exhibit Name: Exhibit 2.05.3-E2 Appendix 2.05.3-E2.E Addendument 2.05.3-E2.E-1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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22
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
200.00 2.00 0.0150 1.00 0.00 0.91
Culvert Results:
Design Discharge = 5.16 cfs
Minimum pipe diameter: 1 - 30 inch pipe(s) required
Structure #17 (Null
Ditch SCM -1
Structure #21 (Pond
PECOCO Pond
Pond Inputs:
Initial Pool Elev:
6,776.60 ft
Initial Pool:
3.43 ac-ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
20.00%
*No sediment capacity defined
Straight Pipe
Barrel Barrel
6 ft
Entrance Tailwater
Barrel
Manning's • Spillway
CSTRS
Diameter Length
0.76 days
Loss Depth
Slope ( %)
n Elev (ft)
(in) (ft)
Coefficient (ft)
24.00 60.00 1.00
0.0150 6,776.60
0.90 0.00
Emeraencv SDillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,777.80 25.00 2.50:1 5.00:1 10.00
Pond Results:
Peak Elevation:
6 ft
H'graph Detention Time:
7.56 hrs
Pond Model:
CSTRS
Dewater Time:
0.76 days
Trap Efficiency:
97.14
Dewatering time is calculated from peak stage to lowest spillway
Filename: Upper Sump 10yr,24hr.sc4
Printed 02 -04 -2011