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

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SEDCAD 4 for Windows
f nn ,Ar H+ 1002 _7!1!17 D-1n 1 Crh ... ok
Culvert Inputs:
Culvert Results:
Max. Entrance
Tailwater
Length (ft) Slope ( %) Manning's n Headwater
(ft) (ft) Loss Coef.
) (Ke)
71.00 5.00 0.0240 2.00 0.00 0.90
Design Discharge = 7.51 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #5 (Cu/vertl
C3 -ID
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
260.00 3.00 0.0120 3.00 0.00 0.90
Design Discharge = 0.88 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #4 (Erodible Channel)
D3 -1
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
19
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
5.5
Erodible Channel Results:
• Structure #3 (Cu/vert1
Filename: MB -3.sc4
Printed 09 -30 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
2.95 cfs
Depth:
0.68 ft 0.98 ft
Top Width:
2.72 ft 3.92 ft
Velocity:
3.18 fps
X- Section Area:
0.93 sq ft
Hydraulic Radius:
0.305 ft
Froude Number:
0.96
• Structure #3 (Cu/vert1
Filename: MB -3.sc4
Printed 09 -30 -2010