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
f:nrnirinhT 1QQR - 711f17 P�mnl� I Crh�uoh
72
r
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 8.7 0.0300
0.30
5.5
Erodible Channel Results:
•
Structure #19 (Cu /vertu
CSL Y -7
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
59. 5. 00 0.024 3. 00 0.00 0.9(
Culvert Results:
Design Discharge = 9.93 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #18 (Erodible Chann %�
DSL Y -21
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
9.93 cfs
Depth:
0.82 ft 1.12 ft
Top Width:
3.26 ft 4.46 ft
Velocity:
7.48 fps
X- Section Area:
1.33 sq ft
Hydraulic Radius:
0.365 ft
Froude Number:
2.06
•
Structure #19 (Cu /vertu
CSL Y -7
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
59. 5. 00 0.024 3. 00 0.00 0.9(
Culvert Results:
Design Discharge = 9.93 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #18 (Erodible Chann %�
DSL Y -21
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Freeboard
Freeboard Freeboard
Limiting
9
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
1.0:1 3.0:1 12.2 0.0300
0.30
5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
• Design Discharge: 2.34 cfs
Depth: 0.45 ft 0.75 ft
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010