2008-12-11_PERMIT FILE - C1980007A ‎(22)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 25 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
rnn..rinM 10091 2M N7 Demme I CrY.u.e L.
86
•
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 9.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 15.57 cfs
Depth: 0.77 ft 1.07 ft
Top Width: 3.10 ft 4.30 ft
Velocity: 12.97 fps
X-Section Area: 1.20 sq ft
Hydraulic Radius: 0.346 ft
Froude Number: 3.67
Structure #21 (Nonerodible Channel)
D2-1
Trapezoidal Nonerodible Channel Inputs:
Material: Shotcrete

Left Right
Bottom
' Freeboard Freeboard Freeboard
s n
Width (ft) Sideslopa Sideslopa Slope (%) Manning
Depth (ft) % of Depth Mult. x
Ratio Ratio (VxD)
1.00 2.0:1 2.0:1 6.8 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 61.06 cfs
Depth: 1.13 ft 1.43 ft
Top Width: 5.54 ft 6.74 ft
Velocity: 16.45 fps
X-Section Area: 3.71 sq ft
Hydraulic Radius: 0.611 ft
Froude Number: _ 3.54
Structure #20 (Vegetated Channel)
D2R 2A Berm
Triangular Vegetated Channel Inputs:
•
Material: Grass mixture
Filename: MB-2R.sc4 Printed 10-23-2008