2012-06-08_PERMIT FILE - C2009087 ‎(11)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 6/8/2012
• Doc Name: Upper 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
PADER Method - Steep Slope Design
Structure #13 (Erodible Channe /)
Ditch PM -2 (Upper)
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 10.0 0.03001 5.0
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge:
1.74 cfs
Depth:
0.16 ft 0.46 ft
Top Width:
2.98 ft 4.78 ft
Velocity:
4.25 fps
X- Section Area:
0.41 sq ft
Hydraulic Radius:
0.135 ft
Froude Number:
2.03
Manning's n:
0.0460
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #13 (Erodible Channe /)
Ditch PM -2 (Upper)
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 10.0 0.03001 5.0
Erodible Channel Results:
Structure #14
Ditch PM -2 (middle)
Structure #16 (Erodible Channel
Ditch PM -2 (lower)
35
Filename: Upper Sump 10yr.sc4 Printed 03 -05 -2012
w/o Freeboard w/ Freeboard
Design Discharge:
1.76 cfs
Depth:
0.35 ft 0.65 ft
Top Width:
2.11 ft 3.91 ft
Velocity:
4.75 fps
X- Section Area:
0.37 sq ft
Hydraulic Radius:
0.167 ft
Froude Number:
2.00
Structure #14
Ditch PM -2 (middle)
Structure #16 (Erodible Channel
Ditch PM -2 (lower)
35
Filename: Upper Sump 10yr.sc4 Printed 03 -05 -2012