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
('.— ,rinht 1QQR -'7nn7 P.—In I Crh,u.h
Design Discharge = 4.66 cfs
• Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #38 (Erodible Channel
DSL Y -8B
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
1 5.5
Erodible Channel Results:
Structure #37 rCulvert�
CSL Y -11
Culvert Inputs:
Max. Entrance
Tailwater
Length (ft) Slope ( %) Manning's n Headwater
(ft) ( ft) Loss Coef.
) (Ke)
76.00 5.00 0.0240 3.00 0.00 0.9(
Culvert Results:
Design Discharge = 4.66 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #36 (Cu /vertu
CSL Y -10
Culvert Inputs:
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
4.66 cfs
Depth:
0.59 ft 0.89 ft
Top Width:
2.35 ft 3.55 ft
Velocity:
6.73 fps
X- Section Area:
0.69 sq ft
Hydraulic Radius:
0.263 ft
Froude Number:
2.19
Structure #37 rCulvert�
CSL Y -11
Culvert Inputs:
Max. Entrance
Tailwater
Length (ft) Slope ( %) Manning's n Headwater
(ft) ( ft) Loss Coef.
) (Ke)
76.00 5.00 0.0240 3.00 0.00 0.9(
Culvert Results:
Design Discharge = 4.66 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #36 (Cu /vertu
CSL Y -10
Culvert Inputs:
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010