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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Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Width (ft) Gasses
Class
Ratio Ratio
Mult. x
Depth (ft) % of Depth Velocity
(fps)
0.36 cfs
(VxD)
2.00 1.0:1 1.0:1 14.5 D, B
S.0
Vegetated Channel Results:
Structure #14 (R/prap Channel)
Upper Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
4.00 2.0:1 2.0:1 11.0
Riprap Channel Results:
PADER Method - Steep Slope Design
Stability Stability
Class D w/o Gass D w/
Freeboard Freeboard
Capacity Capacity
Gass B w/o Class B w/
Freeboard Freeboard
Design Discharge:
0.36 cfs
0.36 cfs
Depth:
0.13 ft
0.31 ft
Top Width:
Velocity:
2.26 ft
1.31 fps
2.63 ft
0.50 fps
X -Section Area:
0.28 sq ft
0.73 sq ft
Hydraulic Radius:
0.118 ft
0.252 ft
Froude Number:
0.66
0.17
Roughness
Coefficient:
0.1033
0.4493
Structure #14 (R/prap Channel)
Upper Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
4.00 2.0:1 2.0:1 11.0
Riprap Channel Results:
PADER Method - Steep Slope Design
8
Filename. Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018
w/o Freeboard w/ Freeboard
Design Discharge:
3.50 cfs
Depth:
0.21 ft
Top Width:
4.83 ft
Velocity:
3.83 fps
X -Section Area:
0.91 sq ft
Hydraulic Radius:
0.186 ft
Froude Number:
1.55
Manning's n:
0.0420
8
Filename. Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018