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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Structure #51 (Erodible Chann
Ditch FA -D2
Trapezoidal Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Bottom Left
w/o Freeboard w/ Freeboard
Depth:
Top Width:
Velocity:
X- Section Area:
0.57 ft 0.87 ft
5.40 ft 7.20 ft
4.57 fps
2.10 sq ft
Hydraulic Radius:
0.376 ft
Froude Number:
1.29
Manning's n:
0.0380
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Structure #51 (Erodible Chann
Ditch FA -D2
Trapezoidal Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Bottom Left
Right
Freeboard
Freeboard Freeboard
Limiting
9
Width (ft) Sideslope
Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio
Ratio
Depth (ft) % of Depth (VxD)
(fps)
5.00 3.0:1
3.0:1 17.0 0.03001
0.30
5.0
Erodible Channel Results:
Structure #52 (Riprao Channel
Ditch FA -D3
Trapezoidal Riprap Channel Inputs:
Material: Ripr p
72
Filename: Lower Sump 1 0yr ver2.sc4 Printed 0406 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
1.97 cfs
1 0.09 ft 0.39 ft
Top Width:
5.55 ft 7.35 ft
Velocity:
4.03 fps
X- Section Area:
0.49 sq ft
Hydraulic Radius:
0.087 ft
Froude Number:
2.40
Structure #52 (Riprao Channel
Ditch FA -D3
Trapezoidal Riprap Channel Inputs:
Material: Ripr p
72
Filename: Lower Sump 1 0yr ver2.sc4 Printed 0406 -2012