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
Rnn.minhf 1QQA -9M7 P-1. I Qrhuiah
W
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
1.5:1 1.5:1 10.0 0.0300
0.30
1 4.0
Erodible Channel Results:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
30.00 5.00 0.0240 6.00 0.00 0.9(
Culvert Results:
Structure #81 (Culvert1
CSL Y -2C
Culvert Inputs:
Design Discharge = 176.46 cfs
Minimum pipe diameter: 1 - 72 inch pipe(s) required
Structure #77 &Lafib /e Channe/)
DSL Y -15
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
3.91 cfs
Depth:
0.63 ft 0.93 ft
Top Width:
1.90 ft 2.80 ft
Velocity:
6.47 fps
X- Section Area:
0.60 sq ft
Hydraulic Radius:
0.264 ft
Froude Number:
2.02
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
30.00 5.00 0.0240 6.00 0.00 0.9(
Culvert Results:
Structure #81 (Culvert1
CSL Y -2C
Culvert Inputs:
Design Discharge = 176.46 cfs
Minimum pipe diameter: 1 - 72 inch pipe(s) required
Structure #77 &Lafib /e Channe/)
DSL Y -15
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 7.1 0.0300
0.30
5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
• Design Discharge: 1.29 cfs
Depth: 0.39 ft 0.69 ft
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010