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
13
Native Chanel
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass
Freeboard
Bottom Left Right Retardance Freeboard FreeboardLimiting
Width (ft) Sideslope Sideslope Slope (%) Classes o Mult. x Velocity
Ratio Ratio Depth (ft) /o of Depth (VXD) (fps)
3.00 1.0:1 1.0:1 12.0 D, B 6.0
Vegetated Channel Results:
Structure #15 (Erodible Channell
Highway Ditch
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Design Discharge:
8.31 cfs
8.31 cfs
Depth:
0.44 ft
0.75 ft
Top Width:
3.88 ft
4.50 ft
Velocity:
X -Section Area:
5.46 fps
1.52 sq ft
2.95 fps
2.82 sq ft
Hydraulic Radius:
0.358 ft
0.550 ft
Froude Number:
1.54
0.66
Roughness
Coefficient:
0.0475
0.1172
Structure #15 (Erodible Channell
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) (fps)
6.0:1 1.0:1 9.1 0.0250
6.0
Erodible Channel Results:
Filename Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018
w/o Freeboard w/ Freeboard
Design Discharge:
0.02 cfs
Depth:
Top Width:
Velocity:
0.03 ft
0.18 ft
0.97 fps
X -Section Area:
0.00 sq ft
Hydraulic Radius:
0.012 ft
Froude Number:
1.50
Filename Toe Ditch Design 8-8-18.sc4 Printed 08-08-2018