2010-11-19_PERMIT FILE - C1980007 ‎(20)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 10 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 Pond MB-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
16
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
25.00 5.00 0.0240 2.00 0.00 0.90
Structure #111 (Erodible Channe/1
D3 -1A
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 3.0 0.0300
0.30
4.0
Erodible Channel Results:
I �
�.J
Structure #23 (Cu /vent)
C3-1E
Culvert Inputs:
Culvert Results:
Structure #12 (Cu /vent)
• C3-2
Filename: MB -3.sc4
Design Discharge = 4.19 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Printed 09 -30 -2010
w/o Freeboard w/ Freeboard
Top Width:
3.21 ft 5.01 ft
Velocity:
4.88 fps
X- Section Area:
0.86 sq ft
Hydraulic Radius:
0.254 ft
Froude Number:
1.66
Design Discharge = 4.19 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Printed 09 -30 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
4.19 cfs
Depth:
0.72 ft 1.02 ft
Top Width:
2.88 ft 4.08 ft
Velocity:
4.04 fps
X- Section Area:
1.04 sq ft
Hydraulic Radius:
0.322 ft
Froude Number:
1.19
Design Discharge = 4.19 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Printed 09 -30 -2010