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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47
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w/o Freeboard w/ Freeboard
Froude Number: 1.06
Structure #8 (Riprap Channe /�
DRPE -4
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 31.0
0.30
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #4 (Erodible Channel
DRPE -1
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
7.57 cfs
Depth:
0.11 ft 0.41 ft
Top Width:
0.42 ft 1.62 ft
Velocity*:
2.0:1 2.0:1 9.0 0.0350
X- Section Area:
0.02 sq ft
Hydraulic Radius:
0.047 ft
Froude Number *:
Manning's n *:
Dmin:
7.00 in
D50:
21.00 in
Dmax:
26.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #4 (Erodible Channel
DRPE -1
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 9.0 0.0350
0.30
6.0
• Erodible Channel Results:
Filename: RPE Pile.sc4 Printed 10 -07 -2010