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
w/o Freeboard w/ Freeboard
Hydraulic Radius: 0.226 ft
Froude Number: 0.46
Structure #27 (Erodible Chann %)
PM -4 (overflow)
Trapezoidal Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right Freeboard
Bottom g i Freeboard Freeboard
Limiting
9
O Sideslope Sideslope Slope ( %) Manning's n Mult. x
Width ft
Velocity
Ratio Ratio Depth (ft) % of Depth (VxD)
(fps)
1.00 3.0:1 3.0:1 5.0 0.0300 0.30 5.0
Erodible Channel Results:
Structure #29 (Culvertl
Culvert SC -10
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
400.00 3.00 0.0150 1.50 0.00 0.90
Culvert Results:
Design Discharge = 0.67 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #24 (Erodible Channel
Ditch PM -9A
47
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
0.23 cfs
Depth:
0.09 ft 0.39 ft
Top Width:
1.54 ft 3.34 ft
Velocity:
1.95 fps
X- Section Area:
0.12 scl ft
Hydraulic Radius:
0.073 ft
Froude Number:
1.25
Structure #29 (Culvertl
Culvert SC -10
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
400.00 3.00 0.0150 1.50 0.00 0.90
Culvert Results:
Design Discharge = 0.67 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #24 (Erodible Channel
Ditch PM -9A
47
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012