2010-11-19_PERMIT FILE - C1980007 ‎(21)‎

• 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-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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16
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Structure #11 (Erodible Channel)
D3 -IA
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Top Width:
3.67 ft 5.47 ft
Velocity:
5.34 fps
X- Section Area:
1.13 sq ft
Hydraulic Radius:
0.291 ft
Froude Number:
1.70
Structure #11 (Erodible Channel)
D3 -IA
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:
Structure #23 (Cu /vert1
C3 -1E
Culvert Inputs:
Culvert Results:
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 0.9
Design Discharge = 6.01 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #12 (Cu /vert1
• C3-2
Filename: MB -3.sc4
Printed 09 -30 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
6.01 cfs
Depth:
0.82 ft 1.12 ft
Top Width:
3.30 ft 4.50 ft
Velocity:
4.42 fps
X- Section Area:
1.36 sq ft
Hydraulic Radius:
0.369 ft
Froude Number:
1.21
Structure #23 (Cu /vert1
C3 -1E
Culvert Inputs:
Culvert Results:
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 0.9
Design Discharge = 6.01 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #12 (Cu /vert1
• C3-2
Filename: MB -3.sc4
Printed 09 -30 -2010