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.-- inh4900A -9Mn P —i. i Crh—.h
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
2.0:1 2.0:1 5.0 0.0300 0.30 5.0
Erodible Channel Results:
Structure #21 (Erodible Channel
Ditch PM -4A
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right 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 7.0 0.0300 0.30 5.0
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
0.06 cfs
0.13 ft 0.43 ft
Top Width:
0.51 ft 1.71 ft
Velocity:
1.64 fps
X- Section Area:
0.03 sq ft
Hydraulic Radius:
0.057 ft
Froude Number:
1.15
Structure #21 (Erodible Channel
Ditch PM -4A
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right 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 7.0 0.0300 0.30 5.0
Erodible Channel Results:
Structure #19Nu1
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
0.01 cfs
0.01 ft 0.31 ft
Top Width:
0.06 ft 1.86 ft
Velocity:
0.37 fps
X- Section Area:
0.00 sq ft
Hydraulic Radius:
0.005 ft
Froude Number:
0.92
Structure #19Nu1
Filename: Lower Sump 1 0yr ver2.sc4 Printed 04 -06 -2012