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
(`nnv.in L.1 loan _onn,7[3-1I Q,h- k
83
•
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
35.00 5.00 0.0120 1.50 0.00 0.9(
w/o Freeboard w/ Freeboard
Design Discharge: 1.95 cfs
Depth: 0.47 ft 0.77 ft
Top Width: 1.89 ft 3.09 ft
Velocity: 4.39 fps
X-Section Area: 0.44 sq ft
Hydraulic Radius: 0.211 ft
Froude Number: 1.59
Structure #29 (Cu/vert1
C2-13D
Culvert Inputs:
Culvert Results:
Design Discharge = 1.95 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
• Structure #28 (Nonerodible Channel)
D2-2K
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: 2.61 cfs
Depth: 0.38 ft 0.68 ft
Top Width: 1.53 ft 2.73 ft
Velocity: 8.94 fps
X-Section Area: 0.29 sq ft
Hydraulic Radius: 0.171 ft
Froude Number: 3.61
Structure #27 (Nonerodib/e Channe/)
Filename: MB-2R.sc4 Printed 10-23-2008