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
r'-,,;,k4 1000 _Onn7 D-1 I Cri.-k
64
r1
?J
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 5.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 5.04 cfs
Depth: 0.57 ft 0.87 ft
Top Width: 2.26 ft 3.46 ft
Velocity: 7.84 fps
X-Section Area: 0.64 sq ft
Hydraulic Radius: 0.253 ft
Froude Number: 2.60

Structure #79 (Culvert)
C2-8A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
31.00 5.00 0.0240 2.25 0.00 0.90
Culvert Results:
Design Discharge = 5.04 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #78 (Culvert1
C2-8
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
266.00 5.00 0.0240 2.25 0.00 0.90
Design Discharge = 5.04 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #77 (l&nerodib/e Channe/)
D2-8
Triangular Nonerodible Channel Inputs:
Filename: MB-2R.sc4 Printed 10-23-2008