2010-11-19_PERMIT FILE - C1980007 ‎(27)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 10 yr - 24 hr ‎(DCW-1A, -1B, -5, CCW-5, DCW-7, -10)‎
• Section_Exhibit Name: Exhibit 66 Clean Water
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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7
•
Structure Detail;
Structure #12 al rap Channel)
DCW -14
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Ratio Ratio
Depth (ft) % of Depth
(VxD)
3.00 1.5:1 1.5:1 40.0
0.30
Riprap Channel Results:
Simons /OSM Method - Mild Slope Design
•
Structure #11(Culvert�
CCW -15
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
54.00 27.00 0.0120 2.00 0.00 0.90
Design Discharge = 0.02 cfs
Minimum pipe diameter: 1 - 2 inch pipe(s) required
• Structure #7 (Riprap Channe /�
Filename: DCW10,11,12 CCW10.sc4 Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
0.02 cfs
Depth:
0.03 ft 0.33 ft
Top Width:
3.08 ft 3.98 ft
Velocity:
0.31 fps
X- Section Area:
0.08 sq ft
Hydraulic Radius:
0.025 ft
Froude Number:
0.35
Manning's n:
0.0357
Dmin:
2.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #11(Culvert�
CCW -15
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
54.00 27.00 0.0120 2.00 0.00 0.90
Design Discharge = 0.02 cfs
Minimum pipe diameter: 1 - 2 inch pipe(s) required
• Structure #7 (Riprap Channe /�
Filename: DCW10,11,12 CCW10.sc4 Printed 10 -07 -2010