2010-11-19_PERMIT FILE - C1980007 ‎(32)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 25 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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27
Structure #26 (Riprap Channel
DRPE -EIO
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Left Right
Bottom
w/o Freeboard w/ Freeboard
Depth:
0.66 ft 1.16 ft
Top Width:
4.98 ft 6.48 ft
Velocity:
9.10 fps
X- Section Area:
2.63 sq ft
Hydraulic Radius:
0.489 ft
Froude Number:
2.21
Manning's n:
0.0600
Dmin:
5.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #26 (Riprap Channel
DRPE -EIO
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslo a Sideslo a Slope Width (ft) p p ( )
Mult. x
Ratio Ratio
ft Depth
p () % of Depth p (VxD)
3.00 1.5:1 1.5:1 24.9
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #25 (Riprap Channe /�
DRPE -Ell
• Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4
Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
25.52 cfs
Depth:
0.71 ft 1.21 ft
Top Width:
5.14 ft 6.64 ft
Velocity:
8.76 fps
X- Section Area:
2.91 sq ft
Hydraulic Radius:
0.522 ft
Froude Number:
2.05
Manning's n:
0.0550
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #25 (Riprap Channe /�
DRPE -Ell
• Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4
Printed 10 -06 -2010