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
(`nnvrinhf 100A - 7!11!1 Pn i. I Ghur�h
Structure #4 (Riprap Channel)
East Segment 4
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Velocity:
3.97 fps
X- Section Area:
2.86 sq ft
Hydraulic Radius:
0.447 ft
Froude Number:
1.02
Structure #4 (Riprap Channel)
East Segment 4
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
3.3:1 3.1:1 2.4
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #3 (Erodible Channel)
East Segment 5
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Filename: Pond NHN -001 East Ditches Reevaluation 28OCT14.sc4
7
7
Printed 10 -30 -2014
w/o Freeboard w/ Freeboard
Design Discharge:
13.74 cfs
Depth:
0.98 ft 1.28 ft
Top Width:
6.27 ft 8.18 ft
Velocity:
4.46 fps
X- Section Area:
3.08 sq ft
Hydraulic Radius:
0.469 ft
Froude Number:
1.12
Manning's n:
0.0310
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #3 (Erodible Channel)
East Segment 5
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Filename: Pond NHN -001 East Ditches Reevaluation 28OCT14.sc4
7
7
Printed 10 -30 -2014