2018-01-31_PERMIT FILE - C1981019A ‎(8)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 1/31/2018
• Doc Name: West Taylor Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part C -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure Detail:
Structure #5JR/pray Channe%�
West Taylor East Tr/b Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left RightFreeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 26.0
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #4 6R1: rap Channe/)
West Tay/or West Trib Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 26.0
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename. TR -117 Active Mining 10 YR 24 HR.sc4
7
Printed 11-10-2017
w/o Freeboard w/ Freeboard
Design Discharge:
0.23 cfs
Depth:
0.03 ft
Top Width:
12.16 ft
Velocity:
0.74 fps
X -Section Area:
0.32 sq ft
Hydraulic Radius:
0.026 ft
Froude Number:
0.80
Manning's n:
0.0910
Dmin:
0.50 in
D50:
0.75 in
Dmax:
1.50 in
Structure #4 6R1: rap Channe/)
West Tay/or West Trib Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 26.0
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename. TR -117 Active Mining 10 YR 24 HR.sc4
7
Printed 11-10-2017