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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•
Velocity and Manning's n calculations may not apply for this method.
Structure #32 (R /pray Chann %�
DRPE -E4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Velocity*:
Mult. x
X- Section Area:
0.31 sq ft
Hydraulic Radius:
0.093 ft
Froude Number *:
7.07 fps
Manning's n *:
2.11 sq ft
Dmin:
6.00 in
D50:
18.00 in
Dmax:
22.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #32 (R /pray Chann %�
DRPE -E4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Ratio Ratio
ft Depth
p () % of Depth p (VxD)
3.00 1.5:1 1.5:1 27.3
0.50
r�
J
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #31 (Riprap Chann %�
DRPE -E5
n
Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4
Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
14.88 cfs
Depth:
0.55 ft 1.05 ft
Top Width:
4.65 ft 6.15 ft
Velocity:
7.07 fps
X- Section Area:
2.11 sq ft
Hydraulic Radius:
0.422 ft
Froude Number:
1.85
Manning's n:
0.0620
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #31 (Riprap Chann %�
DRPE -E5
n
Trapezoidal Riprap Channel Inputs:
Filename: RPE Pile.sc4
Printed 10 -07 -2010