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JUM 03 2003 11:32HM HP LRSERJET 3200 <br />p.2 <br />OXBOW MINING, LLC <br />TYPICAL CROSS SECTION OF SEALS <br />Brattice <br />1 " x 6" Lumber <br />Mine Ro <br />f <br />. <br />i.i i <br />:1' <br />• : ' ~ `:.~ : `' <br />~.: <br />~~ <br />. <br />~ <br />~ <br />o : <br />, <br />. <br />, <br />. <br />, <br />' ~~ <br />S <br /> 1 <br />y <br />~ <br /> ~• <br />•'' <br />' <br />~'•r <br />~ <br />"• f <br />•• <br /> i' <br />'a . <br />. <br />~ <br />• <br />a•' <br />1 <br />• <br /> ' <br />•'~ • - <br />~ <br /> ' <br />'ri, <br />TekSeal <br /> f <br /> Cementitious : ~' <br />' <br /> ~ <br />,~; <br />. :~, <br />~•~ Foam Approx. 10' <br />6" Dia <br />Mine Timber '~" ' ~ ' °~`~~ ~•+~~ `" <br />. <br /> <br /> ~ <br />, 6' Minimum ,. <br /> _ <br />~ [ <br />li <br /> ,• .•• <br />f. IJ <br />l ~'y~. .'Mil ~.• .•t: <br /> <br />e Flo <br />r <br />Mi •',~~~.S JIB: ~/`fi •1i .1."J. i <br />° ~~' ~ ~ <br />''~ ~ ~~ ~~• <br />~ • <br />n <br />o : <br />_ . <br />: _ <br />25' Minimum distance <br />1. Forms are built using mine timbers, 1" x 6" boards, and <br />Brattice curtain. These form aze not meant to provide bearing <br />capacity. They are only temporary forms to pump against. <br />2. Tekseal cementitious foam is pumped into the forms at a <br />pressure of 200 psi. <br />3. Typical seal dimensions are the height and width of the <br />entry, and are a minimum of six fcct thick, or at least half the <br />height of the entry. <br />E from Portals <br />1 / / ranw P.0. 96i 6S6 801. D0. BSf84 ~ <br />°~' ~ 3.4NBOR7~ MCRBBK tHU.~ as.D4asz ' <br />DRW. <br />eisi T'YPTCAL MINE SfiALCROSS-SECTION <br />MIIiORRBYLWON- MR 69,S1CI[IDIT Z,OS-ES <br />O.b: ~+hna,...vnrr,mc,v.~.rw-. <br />lun OS <br />3603 Sub, ND SCALE 9Lu11 of l <br />