2014-11-13_PERMIT FILE - C2010089A ‎(2)‎

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 11/13/2014
• 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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Structure #1 Lftrap Chanel)
East Segment 7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Top Width:
7.64 ft 10.21 ft
Velocity:
6.88 fps
X- Section Area:
3.40 sq ft
Hydraulic Radius:
0.433 ft
Froude Number:
1.82
Structure #1 Lftrap Chanel)
East Segment 7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) % of Depth
(VxD)
4.0:1 4.4:1 4.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename: Pond NHN -001 East Ditches Reevaluation 28OCT14.sc4
i5
9
Printed 10 -30 -2014
w/o Freeboard w/ Freeboard
Design Discharge:
26.75 cfs
Depth:
1.10 ft 1.40 ft
Top Width:
9.21 ft 11.73 ft
Velocity:
5.30 fps
X- Section Area:
5.05 sq ft
Hydraulic Radius:
0.533 ft
Froude Number:
1.26
Manning's n:
0.0370
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Filename: Pond NHN -001 East Ditches Reevaluation 28OCT14.sc4
i5
9
Printed 10 -30 -2014