2008-12-11_PERMIT FILE - C1980007A ‎(21)‎

• 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-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
100A _onm D-1. i
76
•
w/o Freeboard w/ Freeboard
Design Discharge: 1.35 cfs
Depth: 0.28 ft 0.58 ft
Top Width: 1.13 ft 2.33 ft
Velocity: 8.27 fps
X-Section Area: 0.16 sq ft
Hydraulic Radius: 0.127 ft
Froude Number: 3.87
Structure #46 (Cu/vent)
C2-12
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
131.00 11.45 0.0240 4.50 0.00 0.9c
Design Discharge = 1.41 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
• Structure #45 (Nonerodib/e Channel)
D2-3B
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. X
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 11.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.18 cfs
Depth: 0.14 ft 0.44 ft
Top Width: 0.55 ft 1.75 ft
Velocity: 4.55 fps
X-Section Area: 0.04 sq ft
Hydraulic Radius: 0.062 ft
Froude Number: 3.05
• Structure #44 (Nonerod/b/e Channel)
Filename: MB-2R.sc4 Printed 10-23-2008