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.inM 1000 Ann? D-1. 1 CnL...rol+
69
Culvert Inputs:
0
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
61.00 5.00 0.0130 3.50 0.00 0.50
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
327.00 30.00 0.0120 1.50 0.00 0.90
Design Discharge = 1.58 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Structure #65 (Culvert)
C2-3
Culvert Inputs:
Culvert Results:
Design Discharge = 20.78 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
is Structure #64 (Nonerod/ble Channel)
D2-5
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 2.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 1.27 cfs
Depth: 0.40 ft 0.70 ft
Top Width: 1.61 ft 2.81 ft
Velocity: 3.94 fps
X-Section Area: 0.32 sq ft
Hydraulic Radius: 0.180 ft
Froude Number: 1.55
• Structure #63 (Cu/vent)
Filename: MB-2R.sc4
Printed 10-23-2008