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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26
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #28 (Riprap Channel1
DRPE -E8
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
a Slope a Sideslo e
Width (ft) Sideslo p ( )
21.90 cfs
Ratio Ratio
Depth (ft) % of Depth (VxD)
3.00 1.5:1 1.5:1 33.7
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
i s
Structure #27 (R /praQ Channe /�
DRPE -E9
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
21.90 cfs
Depth:
0.62 ft 1.12 ft
Top Width:
4.86 ft 6.36 ft
Velocity:
8.97 fps
X- Section Area:
2.44 sq ft
Hydraulic Radius:
0.466 ft
Froude Number:
2.23
Manning's n:
0.0580
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #27 (R /praQ Channe /�
DRPE -E9
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
a Sideslo a Slope e
Width (ft) p ( )
Ratio Ratio
Depth (ft) % of Depth (VxD)
3.00 1.5:1 1.5:1 34.9
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
• w/o Freeboard w/ Freeboard
Design Discharge: 23.93 cfs
Filename: RPE Pile.sc4
Printed 10 -06 -2010