2010-11-19_PERMIT FILE - C1980007 ‎(33)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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34
•
Structure #21 (Riprap Channe /�
DRPE -W4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Top Width:
4.60 ft 6.10 ft
Velocity:
7.03 fps
X- Section Area:
2.03 sq ft
Hydraulic Radius:
0.412 ft
Froude Number:
1.87
Manning's n:
0.0620
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #21 (Riprap Channe /�
DRPE -W4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Ratio Ratio
Depth (ft) % of Depth
(VxD)
3.00 1.5:1 1.5:1 26.2
0.50
• Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #20 (Riprap Channe /�
DRPE -W5
• Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4 Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
18.75 cfs
Depth:
0.62 ft 1.12 ft
Top Width:
4.85 ft 6.35 ft
Velocity:
7.74 fps
X- Section Area:
2.42 sq ft
Hydraulic Radius:
0.464 ft
Froude Number:
1.93
Manning's n:
0.0590
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #20 (Riprap Channe /�
DRPE -W5
• Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4 Printed 10 -07 -2010