2008-12-11_PERMIT FILE - C1980007A ‎(17)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 10 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r--inhl BOOR -9nn7 0-1. 1 Ghumh
26
w/o Freeboard w/ Freeboard
Hydraulic Radius: 0.045 ft
Froude Number: 0.62
Structure #37 (Erodible Channel)
DI-6 West
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right Freeboard Freeboard Freeboard Limiting
tom Sideslope Sideslope Slope (%) Manning's n
Bo Mult. X Velocity
t
Ratio Ratio Depth (ft) % of Depth
(VxD) (fps)
2.00 2.0:1 2.0:1 3.3 0.0350 0.30 5.5
Erodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 0.11 cfs
Depth: 0.05 ft 0.35 ft
Top Width: 2.21 ft 3.41 ft
Velocity: 1.06 fps
X-Section Area: 0.11 sq ft
Hydraulic Radius: 0.050 ft
Froude Number: 0.82
Max. Entrance
Tailwater
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
615.00 23.00 0.0120 1.50 0.00 0.9c
Structure #36 LCu/vent)
CI-4
Culvert Inputs:
Culvert Results:
Design Discharge = 0.18 cfs
Minimum pipe diameter: 1 - 4 inch pipe(s) required
Structure #35 Ll onerodib/e Channel)
DI -5 West
Triangular Nonerodible Channel Inputs:
Filename: MB-1.sc4 Printed 10-21-2008