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
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Structure Detail;
Structure #1 (Null)
Basins 5 and 6
Structure #2 (Erodible Channel)
West Drainage 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 11.0 0.0300
0.30
5.0
Erodible Channel Results:
Filename: 16_1130 West Drainage Ditch.sc4 Printed 12-22-2016
w/o Freeboard w/ Freeboard
Design Discharge:
3.02 cfs
Depth:
0.50 ft 0.80 ft
Top Width:
2.00 ft 3.20 ft
Velocity:
6.06 fps
X -Section Area:
0.50 sq ft
Hydraulic Radius:
0.223 ft
Froude Number:
2.14
Filename: 16_1130 West Drainage Ditch.sc4 Printed 12-22-2016