2010-11-19_PERMIT FILE - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 25 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 Pond MB-5E
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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91
D5E -15
• Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
2.0:1 2.0:1 2.0 0.0300
0.30
1 4.0
Erodible Channel Results:
Structure #30 (Cu /vertu
• C5E -12
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
330.00 5.00 0.0130 6.00 0.00 0.9(
Culvert Results:
Design Discharge = 86.27 cfs
Minimum pipe diameter: 1 - 42 inch pipe(s) required
Structure #97 (Nonerodible Channel
D5E -IA
Trapezoidal Nonerodible Channel Inputs:
Material: Shotcrete
Filename: MB -5E Sediment run.sc4 Printed 10 -01 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
0.65 cfs
Depth:
0.39 ft 0.69 ft
Top Width:
1.54 ft 2.74 ft
Velocity:
2.18 fps
X- Section Area:
0.30 scl ft
Hydraulic Radius:
0.172 ft
Froude Number:
0.87
Structure #30 (Cu /vertu
• C5E -12
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
330.00 5.00 0.0130 6.00 0.00 0.9(
Culvert Results:
Design Discharge = 86.27 cfs
Minimum pipe diameter: 1 - 42 inch pipe(s) required
Structure #97 (Nonerodible Channel
D5E -IA
Trapezoidal Nonerodible Channel Inputs:
Material: Shotcrete
Filename: MB -5E Sediment run.sc4 Printed 10 -01 -2010