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:nmirinht 10QR _�f1f17 P�mala I Crhuiah
57
•
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
42.00 5.00 0.0120 2.33 0.00 0.9(
Culvert Results:
Design Discharge = 6.73 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
• Structure #60 (Erodible Channel)
DSG -1
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Structure #61(Culvert�
CSL Y -25
Culvert Inputs:
Bottom Left Right
w/o Freeboard w/ Freeboard
Hydraulic Radius:
0.315 ft
Froude Number:
1.65
Manning's n:
0.0460
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Structure #61(Culvert�
CSL Y -25
Culvert Inputs:
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Width (ft)
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
2.00 2.0:1 2.0:1 4.0 0.0350
0.30
7 5.5
Erodible Channel Results:
Filename: Sylvester Gulch_09292010.sc4
Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
20.41 cfs
Depth:
0.91 ft 1.21 ft
Top Width:
5.64 ft 6.84 ft
Velocity:
5.87 fps
X- Section Area:
3.48 sq ft
Hydraulic Radius:
0.573 ft
Froude Number:
1.32
Filename: Sylvester Gulch_09292010.sc4
Printed 10 -06 -2010