2010-11-19_PERMIT FILE - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 25 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 Pond MB-5E
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
84
D5E -63
• Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
ft Depth Mult. x
p () % of Depth
Ratio Ratio
(VxD)
10.00 2.0:1 2.0:1 6.9
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
i s
Structure #38 (Erodible Channel)
D5E -62
Triangular Erodible Channel Inputs:
Material: Fine gravel
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
24.58 cfs
Depth:
0.46 ft 0.76 ft
Top Width:
11.85 ft 13.05 ft
Velocity:
4.87 fps
X- Section Area:
5.05 sq ft
Hydraulic Radius:
0.419 ft
Froude Number:
1.31
Manning's n:
0.0450
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Structure #38 (Erodible Channel)
D5E -62
Triangular Erodible Channel Inputs:
Material: Fine gravel
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
2.0:1 2.0:1 5.0 0.0200
0.30
5.0
Erodible Channel Results:
•
Filename: MB -5E Sediment run.sc4
Printed 10 -01 -2010
w/o Freeboard w / Freeboard
Design Discharge:
0.34 cfs
Depth:
0.22 ft 0.52 ft
Top Width:
0.88 ft 2.08 ft
Velocity:
3.55 fps
X- Section Area:
0.10 sq ft
Filename: MB -5E Sediment run.sc4
Printed 10 -01 -2010