2008-12-11_PERMIT FILE - C1980007A ‎(31)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 100 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
0
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Depth (ft) % of Mult. x
Depth
Ratio Ratio (VxD)
2.0:1 2.0:1 44.0 0.30
Structure #6 (R/"rap Channel)
DRPE-4
Triangular Riprap Channel Inputs:
Material: Ripral2
Riprap Channel Results:
•
Structure #5 Culvert)
CRPE-2
Culvert Inputs:
0 Culvert Results:
w/o Freeboard w/ Freeboard
Froude Number: 2.34
Manning's n: 0.0510
Dmin: 5.00 in
D50: 9.00 in
Dmax: 12.00 in
PADER Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 11.09 cfs
Depth: 0.78 ft 1.08 ft
Top Width: 3.13 ft 4.33 ft
Velocity: 9.08 fps
X-Section Area: 1.22 sq ft
Hydraulic Radius: 0.350 ft
Froude Number: 2.56
Manning's n: 0.0540
Dmin: 5.00 in
D50: 9.00 in
Dmax: 12.00 in
Max. Entrance
Tailwater
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
20.00 5.00 0.0240 3.75 0.00 0.91
10
Filename: RPE(expanded).sc4 Printed 10-23-2008