PERMFILE62482

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 3/15/2006
• Doc Name: RPE Clear Water Diversion Ditch with Culvert
• Section_Exhibit Name: Exhibit 70B
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detai/;
Structure #4 Ri rap Channel)
DCW-Sa
Trapezoidal Riprap Channel Inputs:
Material: Rigrao
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft)} Mult. x
Depth (ft) % of Depth
Ratio Ratio (VxD)
0.00 1.5:1 l.s:l 1.0 1.00
Riprap Channel Results:
Simons/OSM Method -Mild Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 3.93 cfs
Depth: 1.07 ft 2.07 ft
Top Width: 3.20 ft 6.20 ft
Velocity: 2.30 fps
X-Section Area: 1.71 sq ft
Hydraulic Radius: 0.444
Froude Number: 0.56
Manning's n: 0.0377
Dmin: 2.00 in
D60: 9.00 in
Dmax: 12.00 in
Structure #5 (Culvert1
Culvert
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
25.00 3.00 0.0150 1.00 0.00 0.90
Culvert Results:
Design Discharge = 3.93 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #6 (Riprap Channel)
7
Filename: DCWB-new.scA Printed 02-27.2006