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
(' --inhf 7QQA -gnn7 P-1. I Ghuinh
Structure #59 (Erodible Channe /1
• DSL Y -13
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 7.3 0.0300
0.30
5.5
Erodible Channel Results:
• Structure #58 (Cu /vert1
CSG1
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
116.00 5.00 0.0240 3.75 0.00 0.91
Culvert Results:
Design Discharge = 21.68 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #57 (R / "rap Channe /�
DSG1A
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
58
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
1.27 cfs
Depth:
0.39 ft 0. 69 ft
Top Width:
1.56 ft 2.76 ft
Velocity:
4.18 fps
X- Section Area:
0.31 sq ft
Hydraulic Radius:
0.175 ft
Froude Number:
1.67
• Structure #58 (Cu /vert1
CSG1
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
116.00 5.00 0.0240 3.75 0.00 0.91
Culvert Results:
Design Discharge = 21.68 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #57 (R / "rap Channe /�
DSG1A
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
58
Filename: Sylvester Gulch_09292010.sc4 Printed 10 -06 -2010