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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Trapezoidal Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
34
Bottom Left Right
Freeboard Freeboard Freeboard Limiting
Width (ft) Sideslope Sideslope Slope ( %) Manning's n
Mult. x Velocity
Ratio Ratio
Depth ft
p () % of Depth (VXD) (fps)
1.00 3.0:1 3.0:1 2.0 0.0300
0.30 5.0
Erodible Channel Results:
Structure #11 (Culvert)
Culvert SC-14
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
100.00 1.00 0.0150 1.00 0.00 0.90
Culvert Results:
Design Discharge = 1.74 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #12 6% rap Channel
Ditch PM -6 (Lower end)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slop e
( x Width (ft) Ratio Ratio Depth (f) % of Depth (Vx D)
2.00 3.0:1 3.0:1 25.0 0.30
Riprap Channel Results:
Filename: Upper Sump 10yr.sc4
Printed 03 -05 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
0.88 cfs
Depth:
0.24 ft 0.54 ft
Top Width:
2.45 ft 4.25 ft
Velocity:
2.11 fps
X- Section Area:
0.42 sq ft
Hydraulic Radius:
0.165 ft
Froude Number:
0.90
Structure #11 (Culvert)
Culvert SC-14
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
100.00 1.00 0.0150 1.00 0.00 0.90
Culvert Results:
Design Discharge = 1.74 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #12 6% rap Channel
Ditch PM -6 (Lower end)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slop e
( x Width (ft) Ratio Ratio Depth (f) % of Depth (Vx D)
2.00 3.0:1 3.0:1 25.0 0.30
Riprap Channel Results:
Filename: Upper Sump 10yr.sc4
Printed 03 -05 -2012