2012-06-08_PERMIT FILE - C2009087 ‎(12)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 6/8/2012
• Doc Name: Lower Sump Design 10yr/24hr Storm Event
• Section_Exhibit Name: Exhibit 2.05.3-E2 Appendix 2.05.3-E2.E Addendument 2.05.3-E2.E-1
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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51
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %) Mult.
Width (ft) x
Ratio Ratio Depth (ft) % of Depth
(VXD)
2.00 3.0:1 3.0:1 24.0 0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #15 (Erodible Channel
Ditch PM -23
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right i Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
3.0:1 3.0:1 11.0 0.0300 0.30 5.0
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge:
1.48 cfs
Depth:
0.15 ft 0.45 ft
Top Width:
2.92 ft 4.72 ft
Velocity:
3.93 fps
X- Section Area:
0.38 sq ft
Hydraulic Radius:
0.127 ft
Froude Number:
1.92
Manning's n:
0.0470
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #15 (Erodible Channel
Ditch PM -23
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right i Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
3.0:1 3.0:1 11.0 0.0300 0.30 5.0
Erodible Channel Results:
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
Top Width:
0.02 cfs
0.04 ft 0.34 ft
0.21 ft 2.01 ft
Velocity:
1.08 fps
X- Section Area:
0.00 sq ft
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012