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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24
Combined
Elevation (ft)
Straight Pipe Emergency Total
cfs Spillway cfs
( ) Y ( ) Discharge
(cfs)
6,780.00 (5) >21.861 127.832 149
Structure #22 (Null1
Ditch SCM -2
Structure #27 (Eond)
Pond Inputs:
Initial Pool Elev:
6,772.50 ft
Initial Pool:
6.35 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
20.00%
*No sediment capacity defined
Drop Inlet
Riser
Riser Height
Barrel
Diameter Barrel Barrel Slope
Spillway Elev
Manning 's n p Y
Diameter (ft)
Length (ft) ( %)
(ft)
(in)
(in)
Trap Efficiency:
24.00 2.00
24.00 100.00 2.00
0.0150 6,772.50
Emeraencv Spillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,773.50 25.00 3.00:1 3.00:1 10.00
Pond Results:
Peak Elevation:
6,772.76 ft
H'graph Detention Time:
0.94 hrs
Pond Model:
CSTRS
Dewater Time:
1.60 days
Trap Efficiency:
95.70
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Filename: Upper Sump 10yr,24hr.sc4 Printed 02 -04 -2011