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
rnn.,rinM loop _9n- D-1 I C,4".-K
42
•
w/o Freeboard w/ Freeboard
Top Width: 6.29 ft 7.49 ft
Velocity*:
X-Section Area: 2.94 sq ft
Hydraulic Radius: 0.449 ft
Froude Number*:
Manning's n*:
Dmin: 5.00 in
D50: 15.00 in
Dmax: 18.75 in
Velocity and Manning's n calculations may not apply for this method.
Structure #67 [Cu/vent)
Detention Basin
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
1.00 5.00 0.0120 6.00 0.00 0.90
Culvert Results:
Design Discharge = 79.68 cfs
Minimum pipe diameter: 1 - 42 inch pipe(s) required
Structure #78 [Cu/vert?
CCW-IA
Culvert Inputs:
Culvert Results:
s
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
316.00 5.00 0.0240 5.00 0.00 0.90
Design Discharge = 81.21 cfs
Minimum pipe diameter: 1 - 45 inch pipe(s) required
Structure #66 (Cu/vert)
CCW2
Culvert Inputs:
Filename: SG-1.sc4 Printed 10-28-2008