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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71
Minimum pipe diameter: 1 - 15 inch pipe(s) required
• Structure #29 (Erodible Channel1
DSL Y -7
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 8.3 0.0300
0.30
1 5.5
Erodible Channel Results:
•
Structure #24 (Culvert
CSL Y -8
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
7 9.00 5.00 0.0240 3.00 0.00 0.9(
Culvert Results:
•
Design Discharge = 16.11 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #23 (Erodib le Channe /�
DSL Y - 6
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Filename: Sylvester Gulch_09292010.sc4
Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
16.11 cfs
Depth:
0.99 ft 1.29 ft
Top Width:
3.94 ft 5.14 ft
Velocity:
8.29 fps
X- Section Area:
1.94 sq ft
Hydraulic Radius:
0.441 ft
Froude Number:
2.08
Structure #24 (Culvert
CSL Y -8
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
7 9.00 5.00 0.0240 3.00 0.00 0.9(
Culvert Results:
•
Design Discharge = 16.11 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #23 (Erodib le Channe /�
DSL Y - 6
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Filename: Sylvester Gulch_09292010.sc4
Printed 10 -06 -2010