2010-11-19_PERMIT FILE - C1980007 ‎(31)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 10 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
40
Structure #IS (Riprap Channel)
DRPE -WI D
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
X- Section Area:
2.19 sq ft
Hydraulic Radius:
0.434 ft
Froude Number:
2.11
Manning's n:
0.0610
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #IS (Riprap Channel)
DRPE -WI D
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslo a Sideslo a Slope Width (ft) p p ( )
ft Depth Mult. x
p () % of Depth p
Ratio Ratio
(VxD)
3.00 1.5:1 1.5:1 24.2
0.50
Riprap Channel Results:
•
PADER Method - Steep Slope Design
Structure #38 (Riprap Channel
DRPE -W11
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Filename: RPE Pile.sc4
Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
19.16 cfs
Depth:
0.63 ft 1.13 ft
Top Width:
4.90 ft 6.40 ft
Velocity:
7.67 fps
X- Section Area:
2.50 sq ft
Hydraulic Radius:
0.473 ft
Froude Number:
1.89
Manning's n:
0.0580
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #38 (Riprap Channel
DRPE -W11
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Filename: RPE Pile.sc4
Printed 10 -06 -2010