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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37
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Structure #17 (R / "rap Channel
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
w/o Freeboard w/ Freeboard
X- Section Area:
2.33 sq ft
Hydraulic Radius:
0.451 ft
Froude Number:
2.20
Manning's n:
0.0590
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #17 (R / "rap Channel
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)
3.00 1.5:1 1.5:1 30.8
0.50
Riprap Channel Results:
U
PADER Method - Steep Slope Design
Structure #41 (Pond
CRPE -2W
Pond Inputs:
Initial Pool Elev: 1.00 ft
. Initial Pool: 0.00 ac -ft
*Sediment Storage: 0.00 ac -ft
Filename: RPE Pile.sc4 Printed 10 -06 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
22.95 cfs
Depth:
0.65 ft 1.15 ft
Top Width:
4.94 ft 6.44 ft
Velocity:
8.92 fps
X- Section Area:
2.57 sq ft
Hydraulic Radius:
0.482 ft
Froude Number:
2.18
Manning's n:
0.0570
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #41 (Pond
CRPE -2W
Pond Inputs:
Initial Pool Elev: 1.00 ft
. Initial Pool: 0.00 ac -ft
*Sediment Storage: 0.00 ac -ft
Filename: RPE Pile.sc4 Printed 10 -06 -2010