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
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7
Structure Detail;
Structure #12 (R/pran Channe/J
DCW -14
Trapezoidal Riprap Channel Inputs:
Material: Riprao
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslo a Sideslo a Slope Width (ft) p p p e ( )
Depth (ft) p % of Depth Mult. x
p (
Ratio Ratio
(VxD)
3.00 1.5:1 1.5:1 40.0
0.30
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
•
Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Cu /vent)
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 = 1.19 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
1.19 cfs
Depth:
0.04 ft 0.34 ft
Top Width:
3.11 ft 4.01 ft
Velocity*:
X- Section Area:
0.11 sq ft
Hydraulic Radius:
0.035 ft
Froude Number *:
Manning's n *:
Dmin:
3.00 in
D50:
9.00 in
Dmax:
11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Cu /vent)
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 = 1.19 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010