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
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44
Ditch to Pond
• Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope Width (ft) p p p e ( )
ft Depth Mult. x
p () % of Depth p
Ratio Ratio
(VxD)
5.00 1.5:1 1.5:1 20.01
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #7 (Erodible Channel)
DRPE -3
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
41.29 cfs
Depth:
0.76 ft 1.26 ft
Top Width:
7.29 ft 8.79 ft
Velocity:
8.82 fps
X- Section Area:
4.68 sq ft
Hydraulic Radius:
0.604 ft
Froude Number:
1.94
Manning's n:
0.0540
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #7 (Erodible Channel)
DRPE -3
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
2.0:1 2.0:1 3.0 0.0350
0.30
5.5
Erodible Channel Results:
•
Filename: RPE Pile.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
4.27 cfs
Depth:
0.77 ft 1.07 ft
Top Width:
3.07 ft 4.27 ft
Velocity:
3.62 fps
X- Section Area:
1.18 sq ft
Hydraulic Radius:
0.343 ft
Filename: RPE Pile.sc4 Printed 10 -06 -2010