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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23
•
Structure #46 (Culvert
CRPE -2E
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
55.00 25.00 0.0240 4.00 0.00 0.9(
. Culvert Results:
Design Discharge = 4.41 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
Structure #33 (Riprap Channel
DRPE -E3
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
4.41 cfs
Depth:
0.26 ft 0.76 ft
Top Width:
3.78 ft 5.28 ft
Velocity:
5.03 fps
X- Section Area:
0.88 sq ft
Hydraulic Radius:
0.223 ft
Froude Number:
1.84
Manning's n:
0.0570
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
55.00 25.00 0.0240 4.00 0.00 0.9(
. Culvert Results:
Design Discharge = 4.41 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
Structure #33 (Riprap Channel
DRPE -E3
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Ratio Ratio
Depth (ft) % of Depth
(VxD)
3.00 1.5:1 1.5:1 28.2
0.50
Riprap Channel Results:
•
Simons /OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 9.25 cfs
Depth: 0.10 ft 0.60 ft
Top Width: 3.30 ft 4.80 ft
Filename: RPE Pile.sc4
Printed 10 -07 -2010