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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CCW - -18
• Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
2,210.00 5.00 0.0130 3.75 0.00 0.90
Culvert Results:
Design Discharge = 87.84 cfs
Minimum pipe diameter: 1 - 72 inch pipe(s) required
Structure #63 (Cu /vert,�
CSL Y -20
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
44.00 5.00 0.0240 10.50 0.00 0.90
Culvert Results:
Design Discharge = 168.20 cfs
• Minimum pipe diameter: 1 - 48 inch pipe(s) required
Structure #62 (Riprap Channel
DSG -2
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Ratio Ratio
Depth ft Mult. x
p () % of Depth p
Depth:
(VxD)
2.00 2.0:1 2.0:1 13.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
F ,,- - I
601
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
6.73 cfs
Depth:
0.43 ft 0.73 ft
Top Width:
3.73 ft 4.93 ft
Velocity:
5.41 fps
X- Section Area:
1.24 sq ft
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010