2008-12-11_PERMIT FILE - C1980007A ‎(19)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 100 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., -iv Kt +oon -inn? P-1. I
26
w/o Freeboard w/ Freeboard
Hydraulic Radius: 0.359 ft
Froude Number: 0.85
Structure #37 6 rodib/e Channel)
DI-6 West
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslopa Sideslopa Slope (%) Manning's n Mult. x Velocity
Width (ft) Ratio
Ratio Depth (ft) % of Depth (Vx
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: 7.47 cfs
Depth: 0.57 ft 0.87 ft
Top Width: 4.29 ft 5.49 ft
Velocity: 4.16 fps
X-Section Area: 1.80 sq ft
Hydraulic Radius: 0.394 ft
Froude Number: 1.13
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
615.00 23.00 0.0120 1.50 0.00 0.9(
Structure #36 (Cu/vent)
C1-4
Culvert Inputs:
Culvert Results:
Design Discharge = 10.87 cfs
Minimum pipe diameter: 1 - 36 inch pipe(s) required
Structure #35 (Nonerodible Channel)
DI -5 West
Triangular Nonerodible Channel Inputs:
Filename: MB-1.sc4 Printed 10-22-2008