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
r' --inhr 1OQA -9nn7 P-1. I Srhuinh
53
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
44. 5.00 0.02 3. 0.00 0.9
Culvert Results:
Design Discharge = 15.21 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #70 (Erodible Chann
DSL Y -18
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 2.4 0.0300
0.30
5.5
Erodible Channel Results:
•
Structure #69 (Cu /vertu
CSL Y -24
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
6 5.00 0.0240 2.25 0.00 0.91
Culvert Results:
Design Discharge = 0.49 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
• Structure #68 (R /prao Channe/1
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
0.49 cfs
Depth:
0.34 ft 0.64 ft
Top Width:
1.35 ft 2.55 ft
Velocity:
2.18 fps
X- Section Area:
0.23 sq ft
Hydraulic Radius:
0.151 ft
Froude Number:
0.94
Structure #69 (Cu /vertu
CSL Y -24
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
6 5.00 0.0240 2.25 0.00 0.91
Culvert Results:
Design Discharge = 0.49 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
• Structure #68 (R /prao Channe/1
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010