2011-03-21_PERMIT FILE - C2009087A ‎(16)‎

• Permit No: C2009087A
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2011
• Doc Name: Upper Sump Design 25 yr/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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Structure #22 (Null
Ditch SCM -2
Structure #27 (Pond
Pond Inputs:
24
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
Barrel Barrel Slope
Spillway Elev
Diameter (ft)
Diameter Length (ft) (%)
n (ft)
(ft)
(in)
(in)
Trap Efficiency:
24.00 2.00
24.00 100.00 2.00
0.0150 6,772.50
Emeraencv SDillwa
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:
6,773.03 ft
H'graph Detention Time:
0.97 hrs
Pond Model:
CSTRS
Dewater Time:
0.12 days
Trap Efficiency:
85.30
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)
6,765.00
0.580
0.000
0.000 Top of Sed. Storage
6,765.50
0.619
0.300
0.000
6,766.00
0.660
0.620
0.000
6,766.50
0.689
0.957
0.000
6,767.00
0.719
1.309
0.000
6,767.50
0.749
1.676
0.000
6,768.00
0.780
2.058
0.000
Filename: Upper Sump 25yr, 24hr.sc4 Printed 02 -04 -2011