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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />EM 1110-Z-2902, Appendix III, 3 .Mar 1969 <br /> <br /> <br />E~BANKMENl' <br /> <br /> <br />ROCK <br /> <br />EARTH <br /> <br />SHALLOW <br />EARTH CUSHION"'/ <br />(a) IMPERMISSIBLE BEDDING <br /> <br /> <br />EMBANKMENT- ,,' /H <br />(Granular mol.r- ......... <br />iols around con. <br />duit) <br /> <br /> <br />EARTH <br />DC <br />rMIN.=IO...... <br /> <br />,. <br />2 PER FT. OF He (S"MIN.l <br />(b) ORDINARY BEDDING <br /> <br />EARTH <br /> <br />EMBANKMENT- .. <br />(J/Jc N~ oto:: <br />0..(1=0.7 <br />2000.CONC. <br />OR BETTE b <br />3 be IN.=~ <br />MIN.= 10 4 <br />.~ I <br />MIN.- \0 MIN. 4" <br />ACCURATELY SHAPED TO FIT PIPE INSIDE DIAM. <br />(C) FIRST CLASS BEDDING (d) CONG. CRADLE BEDDING <br /> <br /> <br /> <br />GRANULAR <br />MATERIALS <br /> <br />., ,* <br />.. <br /> <br />" <br /> <br />GRANULAR <br />MATERIALS <br /> <br />THOROUGHLY <br />TAMPED EARTH <br /> <br />He .. deplh of fill (ovar lop of pip.) <br />P = proJ.clion ralla ; ralio 0' ilia verllcal dlalane. b.,.... lhe lap 0' tha <br />conduit and the nalural grolllld lur'ae. adJae.nl to lhe conduit,to be. <br /> <br />BEDDINGS <br />PROJECTION <br /> <br />FOR PIPES <br />CONDITIONS <br /> <br />PLATE 12 <br /> <br />U. S. GOVERNMENT PRtNTtHC OFFICE: 1911 0 - 426-167 <br /> <br />IlI-25 <br /> <br />893-930 <br />