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

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 SG-1 Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
168.00 5.00 0.0240 10.97 0.00 0.91
Culvert Results:
Design Discharge = 102.08 cfs
Minimum pipe diameter: 1 - 42 inch pipe(s) required
Structure #34 (Erodib /e Channel
DSL Y -8C
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)
1.0:1 3.0:1 10.9 0.0300
0.30
5.5
Erodible Channel Results:
Structure #33 (Culvert
CSL Y -9
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
76.00 5.00 0.0240 3.75 0.00 0.90
Culvert Results:
Design Discharge = 2.95 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
• Structure #32 (Cu /vertu
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
2.95 cfs
Depth:
0.50 ft 0.80 ft
Top Width:
1.98 ft 3.18 ft
Velocity:
6.01 fps
X- Section Area:
0.49 sq ft
Hydraulic Radius:
0.222 ft
Froude Number:
2.13
Structure #33 (Culvert
CSL Y -9
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
76.00 5.00 0.0240 3.75 0.00 0.90
Culvert Results:
Design Discharge = 2.95 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
• Structure #32 (Cu /vertu
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010