2018-09-04_PERMIT FILE - C1981019 ‎(3)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 9/4/2018
• Section_Exhibit Name: Exhibit 07 Item 15 Haul Road A Upper and Lower Ditches
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detail;
Structure #21 (Cu/vert
Flow Cutout on Highway
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
250.00 33.00 0.0150 1.00 0.00 0.90
Culvert Results:
Design Discharge = 2.55 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #10 (Erodible Channel)
Highway Ditch
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n Mult. x
Velocity
Ratio Ratio Depth (ft) % of Depth (VxD)
I (fps)
6.0:1 1.5:1 9.1 0.0250 6.0
Erodible Channel Results:
Structure #13 (Culvert1
Highway Culvert
Culvert Inputs:
a
Filename: Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018
w/o Freeboard w/ Freeboard
Design Discharge:
0.04 cfs
Depth:
0.07 ft
Top Width:
0.55 ft
Velocity:
1.94 fps
X -Section Area:
0.02 sq ft
Hydraulic Radius:
0.035 ft
Froude Number:
1.78
Structure #13 (Culvert1
Highway Culvert
Culvert Inputs:
a
Filename: Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018