2017-05-12_PERMIT FILE - C2010089 ‎(20)‎

• Permit No: C2010089
• IBM Index Class Name: Permit File
• Doc Date: 5/12/2017
• Doc Name: NHN-001 Ditches As-Built
• Section_Exhibit Name: Appendix 2.05.3‎(4)‎-7
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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East Ditch - Segment 2
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
9.29 cfs
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
4.6:1 3.5:1 3.5
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #4 &Erodible Channel)
East Ditch - Segment 3
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
9.29 cfs
Depth:
0.73 ft 1.03 ft
Top Width:
5.88 ft 8.31 ft
Velocity:
4.35 fps
X -Section Area:
2.14 sq ft
Hydraulic Radius:
0.353 ft
Froude Number:
1.27
Manning's n:
0.0320
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #4 &Erodible Channel)
East Ditch - Segment 3
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
3.4:1 3.1:1 1.3 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond NHN-001 East Ditch Evaluation_02.15.17.sc4
Appendix 2.05.3(4)-7 Page 13
A
Printed 02-15-2017
February 2017 JR -15)
w/o Freeboard w/ Freeboard
Design Discharge:
11.71 cfs
Depth:
0.95 ft 1.25 ft
Top Width:
6.16 ft 8.11 ft
Velocity:
4.01 fps
X -Section Area:
2.92 sq ft
Hydraulic Radius:
0.453 ft
Filename: Pond NHN-001 East Ditch Evaluation_02.15.17.sc4
Appendix 2.05.3(4)-7 Page 13
A
Printed 02-15-2017
February 2017 JR -15)