2012-06-08_PERMIT FILE - C2009087 ‎(12)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 6/8/2012
• Doc Name: Lower 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: No

SEDCAD 4 for Windows
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70
Left Right Freeboard Limiting
Freeboard Freeboard ; g
Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
3.0:1 3.0:1 8.0 0.0300 0.30 5.0
Erodible Channel Results:
Structure #50 (Culvert1
Culvert SC -13
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
100.00 1.00 0.0150 1.75 0.00 0.90
Culvert Results:
Design Discharge = 8.26 cfs
Minimum pipe diameter: I - 21 inch pipe(s) required
Structure #53 (Riprap Channel
Ditch RD-D2
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
2.95 cfs
Depth:
0.44 ft 0.74 ft
Top Width:
2.67 ft 4.47 ft
Velocity:
4.98 fps
X- Section Area:
0.59 scl ft
Hydraulic Radius:
0.211 ft
Froude Number:
1.86
Structure #50 (Culvert1
Culvert SC -13
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
100.00 1.00 0.0150 1.75 0.00 0.90
Culvert Results:
Design Discharge = 8.26 cfs
Minimum pipe diameter: I - 21 inch pipe(s) required
Structure #53 (Riprap Channel
Ditch RD-D2
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width ( ft )
Mult. x
Ratio Ratio
i Depth (ft) % of Depth
(VxD)
2.00 3.0:1 3.0:1 6.0 0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename: Lower Sump 10yr ver2.sc4 Printed 04 -06 -2012