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2017-07-24_PERMIT FILE - C1996083A (2)
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2017-07-24_PERMIT FILE - C1996083A (2)
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Last modified
3/26/2018 10:06:35 AM
Creation date
8/23/2017 8:39:19 AM
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Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
7/24/2017
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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Determine flow characteristics in steel flume across Fire Mountain Canal <br />Pond F Steel Flume <br />Manning's Equation <br />Flow In a Rectagular Channel <br />Depth <br />D <br />1.1 <br />Feet <br />Width <br />W <br />3 <br />Feet <br />Slope <br />S <br />0.03 <br />Express as Decimal <br />Mannings "N" <br />N <br />0.013 <br />Express as Decimal <br />Side Slope <br />X <br />0.1 <br />Slope = X:1 <br />AREA=(W*D)+(X*DA2)= <br />WETTED PER IMETER=(W)+2*[((X*D)A2+DA2)A0.5] <br />R=AREA/WETTED PERIMETER <br />V=(1.49/N) *(R ^.667)* (SA.5)= <br />Q=AXV= <br />Q REQUIRED - Peak Discharge <br />Flume Outlet Channel <br />Manning's Equation <br />Flow In a Triangular Channel <br />3.42 FEET A2 <br />5.21 FEET <br />0.66 <br />1500 FT/SEC <br />51.30 CFS <br />46.48 CFS <br />Depth <br />D <br />0.76 <br />Feet <br />Width <br />W <br />3 <br />Feet <br />Slope <br />S <br />0.5 <br />Express as Decimal <br />Mannings "N" <br />N <br />0.055 <br />Express as Decimal <br />Side Slope <br />X <br />2 <br />Slope = X:1 <br />AREA=(W*D)+(X*DA2)= <br />WETTED PERIMETER=(W)+2*[((X*D)A2+DA2)A0.5] <br />R=AREA/WETTED PERIMETER <br />V=(1.49/N)*(R^.667)*(S A.5)= <br />Q=AXV= <br />Q REQUIRED - Peak Discharge <br />Riprap Sizing - Flume Outlet Channel <br />D50 = Size of Riprap <br />D50 = ((V X SA. 17)/7.58))A2 <br />D50 = Diameter in feet <br />V = Velocity <br />S = Slope <br />3.44 FEET A2 <br />6.40 FEET <br />0.54 <br />12.65 FT/SEC <br />43.47 CFS <br />46.48 CFS <br />D50 = 2.20 feet 26 inches Use 6" to 18" Rock <br />TR -113 App. B-9 06/30/17 <br />
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