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
(' rn,rinhf 100R _901n P-1. I Ghu.o ,
w/o Freeboard w/ Freeboard
Froude Number: 1.00
Structure #5 6Erao Channel)
East Ditch - Segment 4
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
12.34 cfs
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
3.3:1 3.0:1 2.4
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #6 (Erodible Channel
East Ditch - Segment 5
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Bottom Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
12.34 cfs
Depth:
0.95 ft 1.25 ft
Top Width:
5.96 ft 7.85 ft
Velocity:
4.38 fps
X -Section Area:
2.82 sq ft
Hydraulic Radius:
0.451 ft
Froude Number:
1.12
Manning's n:
0.0310
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #6 (Erodible Channel
East Ditch - Segment 5
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Manning's n
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
7.60 3.0:1 4.7:1 0.6 0.0250
0.30
6.0
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 23.42 cfs
7
Filename: Pond NHN-001 East Ditch Evaluation.sc4 Printed 04-01-2016