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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65
DSL Y -10
• 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 7.2 0.0300
0.30
5.5
Erodible Channel Results:
Structure #45 (Erodible Channe /�
• DSL Y -19
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
1.59 cfs
Depth:
0.42 ft 0.72 ft
Top Width:
1.70 ft 2.90 ft
Velocity:
4.40 fps
X- Section Area:
0.36 sq ft
Hydraulic Radius:
0.190 ft
Froude Number:
1.68
Structure #45 (Erodible Channe /�
• DSL Y -19
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 9.1 0.0300
0.30
1 5.5
Erodible Channel Results:
. Structure #44 (Cu /vertu
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
31.69 cfs
Depth:
1.25 ft 1.55 ft
Top Width:
5.00 ft 6.20 ft
Velocity:
10.16 fps
X- Section Area:
3.12 sq ft
Hydraulic Radius:
0.558 ft
Froude Number:
2.27
. Structure #44 (Cu /vertu
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010