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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 />r,.~„~~n~ +o°a_~nno os,,,em i c.~,~..~n <br /> <br />Channel 006-Gulch C-D <br />Material: Grass mixture <br />Trapezoidal Channel <br />Left Right <br />Bottom <br />Retardance Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) <br />Width (ft) <br />Classes Mult. x <br />peps (R) °/a of Depth Velocity <br />Ratio Ratio (VxD) (fps) <br />5.00 3.0:1 3.0:1 5.0 D, B 0.30 5.0 <br /> Stability <br />Class D w/o <br />Freeboard Stability <br />Class D w/ <br />Freeboard Capacity <br />Class B w/o <br />Freeboard Capacity <br />Class B w/ <br />Freeboard <br />Design Discharge: 19.40 cfs 19.40 6s <br />I <br />Depth: 0.63 R 0.93 R 1.03 ft 1.33 R <br />Top Width: 8.79 R 10.59 ft 11.17 ft 12.97 ft <br />Velocity: 4.45 fps 2.33 fps <br />X-Section Area: 4.36 sq ft 8.31 sq ft <br />Hydraulic Radius: 0.484 R 0.723 ft <br />Froude Number: 1.11 0.48 <br />Roughness Coefficient: 0.0461 0.)148 ', <br />• <br />• SEDCAD Utility Run <br />Printed 10-162004 <br />20-1- lo) <br />
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