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PERMFILE45569
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PERMFILE45569
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Entry Properties
Last modified
8/24/2016 10:47:58 PM
Creation date
11/20/2007 12:24:07 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057A
IBM Index Class Name
Permit File
Doc Date
8/2/2007
Doc Name
Postmine Drainage Channel Design
Section_Exhibit Name
Tab 20 Attachment 20-1
Media Type
D
Archive
Yes
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SEDCAD 4.0 <br /> <br />Channel 006-E1 D-SS <br />Material: Riprap <br />Trapezoids/ Channel <br />Left <br />Bottom Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (ft) Sideslope Slope (%) <br />DePlh (ft) % of Depth Mult. x <br />Ratio Ratio (VxD) <br />2.00 3.0:1 3.0:1 16.0 0.30 <br />PADER Method -Steep Slope Design <br />• <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 10.70 ffs <br />Depth: 0.49 ft 0.79 R <br />Top Width: 4.92 ft 6.72 ft <br />Velocity: 6.35 fps <br />X-Section Area: 1.69 sq ft <br />Hydraulic Radius: 0.332 ft <br />Froude Number: 1.91 <br />Manning's n: 0.0450 <br />Dmin: 2.00 in <br />D50: 3.00 in <br />Dmax: 4.50 in <br />SEDCAD Utility Run Printed 10.16-2004 <br />zo-I-log <br />
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