2008-12-11_PERMIT FILE - C1980007A ‎(33)‎

• 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 SG-1 Pond
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r`nn.. -K+ loon _OflM Demcle I Q'k-eK
44
Culvert Inputs:
0
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
44.00 5.00 0.0240 10.50 0.00 0.90
Design Discharge = 168.20 cfs
Minimum pipe diameter: 1 - 48 inch pipe(s) required
Structure #62 (Erodible Channe/)
DSG-2
Trapezoidal Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right Freeboard Freeboard Freeboard
Bottom Limiting
Sideslo a Sideslo a Sloe Mannin 's n
Width (ft) p p p (%) 9 Depth (ft) % of Depth Mult. x
R
i Velocity
(fps)
Ratio
at
o (VxD)
2.00 2.0:1 2.0:1 6.0 0.03001 0.30 5.5
Erodible Channel Results:

Structure #61 [Cu/vent)
CSL Y-25
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
42.00 5.00 0.0120 2.00 0.00 0.90
w/o Freeboard w/ Freeboard
Design Discharge: 7.79 cfs
Depth: 0.46 ft 0.76 ft
Top Width: 3.84 ft 5.04 ft
Velocity: 5.82 fps
X-Section Area: 1.34 sq ft
Hydraulic Radius: 0.330 ft
Froude Number: 1.73
Culvert Results:
Design Discharge = 7.79 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #60 jErod/ble Channe/)
Filename: SG-1.sc4 Printed 10-28-2008