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
f nnvrinhT 10OR -9f1f17 P-1. I Qrhw-h
25
w/o Freeboard W/ Freeboard
Froude Number: 2.44
Structure #39 (Nonerodible Channel)
DI-7
r
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 3.0 0.0170 0.30
Nonerodible Channel Results:
0
w/o Freeboard w/ Freeboard
Design Discharge: 4.39 cfs
Depth: 0.59 ft 0.89 ft
Top Width: 2.37 ft 3.57 ft
Velocity: 6.26 fps
X-Section Area: 0.70 sq ft
Hydraulic Radius: 0.265 ft
Froude Number: 2.03
Structure #38 (Erodible Channel)
DI -6 East
a
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
2.00 2.0:1 2.0:1 1.9 0.0350 0.30 5.5
Erodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 4.57 cfs
Depth: 0.51 ft 0.81 ft
Top Width: 4.03 ft 5.23 ft
Velocity: 2.98 fps
X-Section Area: 1.53 sq ft
Filename: MB-1.sc4 Printed 10-22-2008