2015-03-09_PERMIT FILE - C2010089A

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 3/9/2015
• Doc Name: Pond NHN-002 & NHN-002 DItch Designs
• Section_Exhibit Name: Appendix 2.05.3‎(4)‎-8
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure #5 (Erodible Channel)
North Ditch (0 +00 to 9 +00)
Trapezoidal Erodible Channel Inputs:
Material: Excavated overburden (sandstone)
Bottom Left Right
w/o Freeboard w/ Freeboard
X- Section Area:
4.87 sq ft
Hydraulic Radius:
0.355 ft
Froude Number:
Manning's n:
1.45
0.0480
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Structure #5 (Erodible Channel)
North Ditch (0 +00 to 9 +00)
Trapezoidal Erodible Channel Inputs:
Material: Excavated overburden (sandstone)
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Width (ft) Ratio Ratio
Mult, x
Depth (ft) % of Depth
Velocity
(fps)
Top Width:
(VXD)
Velocity:
12.00 2.0:1 2.0:1 5.0 0.0350
1.00
5.0
Erodible Channel Results:
Structure #4 (Erodible Channel)
North Ditch (9 +00 to 30 +30)
Trapezoidal Erodible Channel Inputs:
Material: Excavated overburden (sandstone)
Bottom Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
13.63 cfs
Depth:
0.28 ft 1.28 ft
Top Width:
13.11 ft 17.11 ft
Velocity:
3.91 fps
X- Section Area:
3.49 sq ft
Hydraulic Radius:
0.263 ft
Froude Number:
1.34
Structure #4 (Erodible Channel)
North Ditch (9 +00 to 30 +30)
Trapezoidal Erodible Channel Inputs:
Material: Excavated overburden (sandstone)
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth ft
p () % of Depth (VxD)
(fps)
12.00 2.0:1 2.0:1 4.0 0.0350
1.00
5.0
Erodible Channel Results:
Filename: Pond NHN -002 10YR EVENT PRINCIPAL SPILLWAY OPEN 23JAN15.sc4 Printed 01 -23 -2015