2016-10-28_PERMIT FILE - C2010089A ‎(21)‎

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 10/28/2016
• Doc Name: NHN-001 Ditches As-Built
• Section_Exhibit Name: Appendix 2.05.3‎(4)‎-7
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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East Ditch - Segment 2
Triangular Riprap Channel Inputs:
Material: Riprag
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
5.76 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 Channell
East Ditch - Segment 3
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
5.76 cfs
Depth:
0.61 ft 0.91 ft
Top Width:
4.97 ft 7.40 ft
Velocity:
3.77 fps
X -Section Area:
1.53 sq ft
Hydraulic Radius:
0.298 ft
Froude Number:
1.20
Manning's n:
0.0330
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #4 (Erodible Channell
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.sc4 Printed 04-01-2016
w/o Freeboard w/ Freeboard
Design Discharge:
7.80 cfs
Depth:
0.81 ft 1.11 ft
Top Width:
5.29 ft 7.24 ft
Velocity:
3.62 fps
X -Section Area:
2.15 sq ft
Hydraulic Radius:
0.389 ft
Filename: Pond NHN-001 East Ditch Evaluation.sc4 Printed 04-01-2016