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
r. —,Hnh4 loop _9!N!1 P -1. I Rrh, —h
Ditch PM -4 (upper middle)
Structure #17 (Null1
Ditch PM -4 (upper)
Structure #18 (Culveri�
Culvert 62A
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
100.00 1.00 0.0150 0.50 0.00 0.91
Design Discharge = 0.21 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #20 (Null
Ditch PM -16
Structure #22 (Null,
Ditch PM -4 (lower middle)
Structure #23 fErodible Channel
Ditch PM -4 (lower)
Trapezoidal Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Bottom Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope ( %) Manning's n 1 Mult. x Velocity
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
1.00 3.0:1 3.0:1 5.0 0.0300 0.30 5.1
Erodible Channel Results:
49
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
0.58 cfs
Depth:
0.15 ft 0.45 ft
Top Width:
1.92 ft 3.72 ft
Velocity:
2.61 fps
X- Section Area:
0.22 sq ft
49
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012