Show DRAINING THE T ONTARIO p Waters Will Wi Be Tapped in fri Novel Manner Today If I all aU goes goe well wel the Ule of the Ontario mine will wi begin today toay through the drift that has been pushed around the cave Cave In the great drain drin tun tunnel tunnel tunnel nel 1600 1 feet from its it mouth muth It I was wag not known at the th yes yesterday ye that the waters water had been ben tapped through the n nt new w channel but the pre presumption was wa that everything eer thing would be bein beIn in readiness for the move by today toay I The scheme of drawing off on the water ater I which has lias been hold held back b ck under uner tre tremendous tr pressure lre uN since ginee the mine began b gan ganto to fill fl up u several erl weeks ago was w s planned by 1 competent engineers and approved by b Manager C L 1 1 Rood Ro soon alter after the work of getting around the tp tave ave was WS as undertaken The details deti of the th plan lan have lae been ben carefully withheld from the public pubU I Th The plan TJan which has ha been ben carried carrie out I and which w is Ii to be b put to the test tet to today toda S day da 15 is unique in mine engineering n At Ata I a point pint feet fet from the main tunnel th of o that that avenue S on the north nor h sWe of the cave was corn com commenced eOn 1 After running between eighty ard ninety fe fet feet t the tIle drift dlf was as turned turn I at a sy y angle toward the main tun tunnel ange nel nd giu All Al of the work work has been ben done fone hi In solid soUd Ld rock and that fact makes make makei its i e rul termination all aU the tl more It I was known that should the thin tunnel 1 u tapped tall by a the tile force fOfe of the rushing ruing waters would Jd carry carr e er ev r thinK thing before for it and completely wreck rek the th tunnel even nn if It did not result in inthis th this loss lo ot O life lie To guard ard against any such uh catastrophe Jt it wu Wi J decided dedde that after the rock rok had ben b cut through to toa toa a safe point pint approaching the tunnel tunnel a heavy bulkhead should be b constructed one ne that would be as strong trong as af the rocks in which it i should be b built just t back bak of or the rock rok face fae dividing the main tunnel from the encircling drift This bulkhead the word ord from camp says is i supported by b solid ld iron fron or steel pillars lar and built of solid lt concrete or cement Inserted In in this bulkhead are area are area a number nur of or pipes pipe pl or tubes tu fitted with IUt special car valves valve and made a al part PIt of the structure ah pipe pip according to the story has ha Its It own watertight compart compartment ment between the bulkhead and the rock face faCe of the drift drift 01 or the former fOIer has mis lUf been placed paced so 8 close cloe coe to the face faCe I that no J great rt amount of water could f i get gel JN in Iii between On this point pint The Her Ilet Heralds HerI I al s Informant was waR not sure With everything eve In readiness it i is i the purpose to operate a diamond dimond drill dri through one of ot the tubes tub until the th main tunnel Is 1 tapped withdraw the drill dri and close the valve This hl process to to tobe t tobe i be repeated r ate until all aU of o the necessary ne ry connections have ha e been ben made and then the different valves will wi be opened and an I the water released rele In such a way as a to drain the mine and save the tunnel at atthe atthe the Uw same MUt time It I is understood that the th vIve valves can all Al be electrically controlled eon con trolled from frol the mouth of or the tunnel tunnel |