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
f.n ,rinhr 1aaA -9mn P­i. i Srh,—h
w/o Freeboard w/ Freeboard
X- Section Area: 0.68 sq ft
Hydraulic Radius: 0.226 ft
Froude Number: 1.33
Structure #40 (Culvert
Culvert 5C -12
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
100.00 1.00 0.0150 1.25 0.00 0.90
Culvert Results:
Design Discharge = 2.51 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #41 (Erodible Channel
Ditch RC -D2
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right Freeboard Freeboard Freeboard 1 limiting
Sideslope Sideslope Slope (%) Manning's n !, Mult. x j Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
3.0:1 3.0:1 1.0 0.0300 0.30 5.0
Erodible Channel Results:
Structure #44 (Culvert
65
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
2.27 cfs
Depth:
0.59 ft 0.89 ft
Top Width:
3.57 ft 5.37 ft
Velocity:
2.14 fps
X- Section Area:
1.06 sq ft
Hydraulic Radius:
0.282 ft
Froude Number:
0.69
Structure #44 (Culvert
65
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012