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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44
Ditch to Pond
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft) Ratio Ratio
Mult. x
Depth (ft) % of Depth
Depth:
(VxD)
5.00 1.5:1 1.5:1 20.01
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #7 (Erodible Channe/1
DRPE -3
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
57.04 cfs
Depth:
0.97 ft 1.47 ft
Top Width:
7.92 ft 9.42 ft
Velocity:
9.08 fps
X- Section Area:
6.28 sq ft
Hydraulic Radius:
0.739 ft
Froude Number:
1.80
Manning's n:
0.0600
Dmin:
5.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #7 (Erodible Channe/1
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:
5.61 cfs
Depth:
0.85 ft 1.15 ft
Top Width:
3.40 ft 4.60 ft
Velocity:
3.87 fps
X- Section Area:
1.45 sq ft
Hydraulic Radius:
0.381 ft
Filename: RPE Pile.sc4
Printed 10 -06 -2010