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
r— ... inht iaaA -9nn7 P-1. I Gh�uah
•
Structure #53 (Cu /vent)
C5E -20
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () ( Ke)
105.00 5.00 0.0240 3.50 0.00 0.9C
Culvert Results:
Design Discharge = 37.91 cfs
Minimum pipe diameter: 1 - 36 inch pipe(s) required
• Structure #51 ( Nonerodible Channel)
D5E -20
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
2.16 cfs
Depth:
0.48 ft 0.78 ft
Top Width:
1.92 ft 3.12 ft
Velocity:
4.71 fps
X- Section Area:
0.46 sq ft
Hydraulic Radius:
0.214 ft
Froude Number:
1.69
Structure #53 (Cu /vent)
C5E -20
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () ( Ke)
105.00 5.00 0.0240 3.50 0.00 0.9C
Culvert Results:
Design Discharge = 37.91 cfs
Minimum pipe diameter: 1 - 36 inch pipe(s) required
• Structure #51 ( Nonerodible Channel)
D5E -20
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 24.0 0.0170
0.30
Nonerodible Channel Results:
1 / 11
u
Filename: MB -5E Sediment run.sc4
Printed 10 -01 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
0.25 cfs
Depth:
0.13 ft 0.43 ft
Top Width:
0.54 ft 1.74 ft
Velocity:
6.60 fps
X- Section Area:
0.04 sq ft
Hydraulic Radius:
0.060 ft
Froude Number:
4.48
Filename: MB -5E Sediment run.sc4
Printed 10 -01 -2010