2010-11-19_PERMIT FILE - C1980007 ‎(28)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr ‎(DCW-1A, -1B -5, CCW-5, DCW-6, -7, -9, -10)‎
• Section_Exhibit Name: Exhibit 66 Clean Water
• Media Type: D
• Archive: No

•
SEDCAD 4 for Windows
Structure #3 [Culvert)
CCW -10
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
30.00 10.00 0.0120 6.00 0.00 0.90
r�
U
Culvert Results:
Design Discharge = 17.06 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #4 6& rao Channel)
DCW -10
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Manning's n:
0.0650
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #3 [Culvert)
CCW -10
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
30.00 10.00 0.0120 6.00 0.00 0.90
r�
U
Culvert Results:
Design Discharge = 17.06 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #4 6& rao Channel)
DCW -10
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
D Mult. x
epth (ft) % of Depth
Ratio Ratio
(VxD)
4.00 1.5:1 1.5:1 40.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
i s
14
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
23.76 cfs
Depth:
0.55 ft 0.85 ft
Top Width:
5.66 ft 6.56 ft
Velocity:
8.88 fps
X- Section Area:
2.68 sq ft
Hydraulic Radius:
0.446 ft
Froude Number:
2.28
Manning's n:
0.0620
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
14
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010