2017-02-02_PERMIT FILE - C1982056A ‎(4)‎

• Permit No: C1982056A
• IBM Index Class Name: Permit File
• Doc Date: 2/2/2017
• Doc Name: Drainage and Sediment Control System Design
• Section_Exhibit Name: Exhibit 49S 6R 7R Thickener Underflow Boreholes and Pipeline-Design Drawings
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
7
North and East Ditch
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Mutt. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
2.0:1 2.0:1 3.6 0.0300
0.30
3.8
Erodible Channel Results:
Structure #5 (Null)
Basin 7
Structure #7 (Erodible Channel)
South Ditch
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
1.01 ds
Depth:
0.41 ft 0.71 ft
Top Width:
1.63 ft 2.83 ft
Velocity:
3.03 fps
X -Section Area:
0.33 sq ft
Hydraulic Radius:
0.183 ft
Froude Number:
1.18
Structure #5 (Null)
Basin 7
Structure #7 (Erodible Channel)
South Ditch
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 3.6 0.0300
0.30
3.8
Erodible Channel Results:
Filename: 16-1130—East Drainage Ditch.sc4 Printed 12-22-2016
w/o Freeboard w/ Freeboard
Design Discharge:
1.59 cfs
Depth:
0.48 ft 0.78 ft
Top Width:
1.93 ft 3.13 ft
Velocity:
3.39 fps
X -Section Area:
0.47 sq ft
Hydraulic Radius:
0.216 ft
Froude Number:
1.22
Filename: 16-1130—East Drainage Ditch.sc4 Printed 12-22-2016