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
!`nrn.rinh} OCR _)111A Pamola I Qrh -.K
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope ( %) Manning's n
Depth (ft) % of Depth Mult. x
Velocity
(fps)
Ratio Ratio
(VxD)
Velocity:
7.60 3.0:1 4.7:1 0.6 0.0250
0.30
6.0
Erodible Channel Results:
Structure #9 (Culvert)
Culvert C13
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
100.00 1.00 0.0150 2.20 2.50 0.90
Culvert Results:
Design Discharge = 20.27 cfs
Minimum pipe diameter: 1 - 36 inch pipe(s) required
Structure #z (Nonerodible Channel)
East Segment 6
Triangular Nonerodible Channel Inputs:
Material: Plastic
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
20.27 cfs
Depth:
0.67 ft 0.97 ft
Top Width:
12.70 ft 15.00 ft
Velocity:
3.00 fps
X- Section Area:
6.75 sq ft
Hydraulic Radius:
0.524 ft
Froude Number:
0.73
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater () ft Loss Coef.
(ft) (Ke)
100.00 1.00 0.0150 2.20 2.50 0.90
Culvert Results:
Design Discharge = 20.27 cfs
Minimum pipe diameter: 1 - 36 inch pipe(s) required
Structure #z (Nonerodible Channel)
East Segment 6
Triangular Nonerodible Channel Inputs:
Material: Plastic
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
4.0:1 4.6:1 1.1 0.0130
0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 23.36 cfs
Depth: 0.89 ft 1.19 ft
Filename: Pond NHN -001 East Ditches Reevaluation 280CT14.sc4
I L,
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Printed 10 -30 -2014