2012-06-08_PERMIT FILE - C2009087 ‎(11)‎

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

SEDCAD 4 for Windows
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Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
100.00 1.00 0.0150 0.60 0.00 0.90
Culvert Results:
Design Discharge = 0.63 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Structure #26 (Erodible Channel
Ditch SCM -IA
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) !, (fps)
3.0:1 3.0:1 11.0 0.03001 0.30 5.0
Erodible Channel Results:
Structure #30 (Riprap Chann %�
Ditch SCM -1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %) Mult. x
Width (ft) Ratio Ratio I Depth (ft) % of Depth
(VxD)
2.00 3.0:1 3.0:1 24.0 0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename: Upper Sump 10yr.sc4
31
Printed 03 -05 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
0.63 cfs
Depth:
0.24-ft---- 0.54 ft
Top Width:
1.41 ft 3.21 ft
Velocity:
182 fps
X- Section Area:
0.17 sq ft
Hydraulic Radius:
0.112 ft
Froude Number:
1.96
Structure #30 (Riprap Chann %�
Ditch SCM -1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %) Mult. x
Width (ft) Ratio Ratio I Depth (ft) % of Depth
(VxD)
2.00 3.0:1 3.0:1 24.0 0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename: Upper Sump 10yr.sc4
31
Printed 03 -05 -2012