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2015-01-30_PERMIT FILE - C1996083A (17)
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2015-01-30_PERMIT FILE - C1996083A (17)
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Last modified
8/24/2016 5:57:02 PM
Creation date
7/13/2015 9:54:19 AM
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Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
1/30/2015
Doc Name
Appendix A through Appendix C
Section_Exhibit Name
Volume IX Coal Mine Waste Disposal Area No. 2
Media Type
D
Archive
Yes
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Culvert T -F1 <br />Manning's Equation <br />Flow In a 30" Half Culvert <br />Flow Depth D 0.80 <br />Slope S 0.33 <br />Mannings "N" N 0.015 <br />AREA = Number Derived in AutoCad <br />WETTED PERIMETER= (2*Pi*r)/2 <br />Number derived in AutoCad <br />R=AREANVETTED PERIMETER <br />V=(1.49/N)*(R".667)*(S^.5)= <br />Q=AXV= <br />Q REQUIRED - Peak Discharge <br />Feet <br />Express as Decimal <br />Express as Decimal <br />*Flow from E. Diversion ditch (previously approved with TR -89) <br />1.35 FEET ^2 <br />3.01 FEET <br />0.45 <br />33.43 FT/SEC <br />45.14 CFS <br />21.75 CFS <br />Culvert T -F1 <br />Manning's Equation <br />Flow In a Trapezoidal "Smart Ditch" Channel <br />Depth <br />D <br />0.7 <br />Width <br />W <br />1.12 <br />Slope <br />S <br />0.25 <br />Mannings "N" <br />N <br />0.022 <br />Side Slope <br />X <br />1.3 <br />Feet <br />Feet <br />Express as Decimal <br />Express as Decimal <br />Slope = X:1 <br />AREA=(W*D)+(X*D^2)= <br />WETTED PERIMETER=(W)+2*[((X*D)^2+D^2)"0.5] <br />R=AREANVETTED PERIMETER <br />V=(1.49/N)*(R^.667)*(S^.5)= <br />Q=AXV= <br />Q REQUIRED - Peak Dischar e <br />1.42 <br />FEET ^2 <br />3.42 <br />FEET <br />0.42 <br />18.87 <br />FT/SEC <br />26.81 <br />CFS <br />21.75 <br />CFS <br />MR -162 App. B-103 09/14 <br />
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