2009-09-21_PERMIT FILE - C1980007A ‎(11)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: 100-Year Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-5E
• Media Type: D
• Archive: Yes

•
SEDCAD 4 for Windows
r'-...inhl 10011 Ann? D-1 I Cnhu-h
w/o Freeboard w/ Freeboard
Design Discharge: 4.39 cfs
Depth: 0.59 ft 0.89 ft
Top Width: 2.37 ft 3.57 ft
Velocity: 6.26 fps
X-Section Area: 0.70 sq ft
Hydraulic Radius: 0.265 ft
Froude Number: 2.03
Structure #63lErodib/e Channe/)
D-t-6E
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Bottom Left Right Freeboard Freeboard Freeboard Limiting
Width (ft) Sideslope Sideslope Slope (%) Manning s n Depth (ft) % of Mult. x
Depth
i Velocity
(fps)
Ratio Rat
o
(VxD)
2.00 2.0:1 2.0:1 1.9 0.03501 0.30 5.5
Erodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 4.57 cfs
Depth: 0.51 ft 0.81 ft
Top Width: 4.03 ft 5.23 ft
Velocity: 2.98 fps
X-Section Area: 1.53 sq ft
Hydraulic Radius: 0.359 ft
Froude Number: 0.85
Structure #56 (Erodible Channel)
84
D.1-6W
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Bottom Left Right
Bottom Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n
Width
R
i
R
ti Mult. x
Depth (ft) % of Depth Velocity
(fps)
a
o
at
o (VxD)
2.00 2.0:1 2.0:1 3.3 0.0350 0.30 5.5
Erodible Channel Results:
•
Filename: MB-5E(Rev_spillway).sc4
Printed 08-11-2009