Laserfiche WebLink
143 <br />Hooeao Tun.-6, <br />i ~ it ~, <br />':.'MI IIIHG & MIHE METHODS- Contin. <br />. I'; I,~' <br />drifts. F;om the intersection oP the oroes~aut end the Hooeac i',I~~i <br />;,gip„ <br />vein the tunnel has been driven a distance oP a50'"in a south j', ;v. <br />;'i <br />easterly direction'and then a distance oP 800' Yn a northerly ~ ~.~ <br />,. ; <br />direction through a. porphyry dyke. On the opposite side oP the I'i <br />arose-out at the ~unoti'on with the Hooeao vein the tunnel has 'I~fIII <br />been driven a distance oP 100'. Four hundred Peet oP dri8ting <br />-has been acne, on: the Hooeao vein and etoping 60'' high. At'~the ~j~ ~ ~~, <br />I i I <br />breast oP the: tunnel'orosa-nutting Por:bO'. has been done. Stop- <br />ing and drifting are carried on in the Hooeao vein. •~) I <br />i I <br />At.s_dietanoe.oP lb0'.Pron the portal oP the tunnel an I'!', <br />' I <br />upraiae,is made on an incline to. the surface. The,uprales is I:,I.', <br />60! in length; ~ is kept in. good': order:, properly equipped and l I ~ I~ <br />ie ueed Por an additional exit by the employes. it i <br />The tunnel is driven on s uniform grade oP lf,, de 4~' x LI <br />7' in the clear, timbered. with poste and onpe Por the Piret- i <br />!~ <br />60' and with atulle.whore etoping has been done. I <br />The entrance oP':the tunnel 1e.provided with sufficient <br />dooxe at.the proper,diatanoe Prom tho entrance to prevent'ad- {i I <br />mission of Pimtee or gases SP fire.ehould occur and do ore can III ~ <br />ire <br />ba operated Prom without. 1' <br />Mapes.and drkwings.;o3 the eiu•Paoe~and underground work- II <br />inge are kopt in the office st the mine. Ii ' <br />The,,method employed•,Por hoieting'.ie.eleotrioity end <br />the men are not rale~d or lowered with-the.hoieting mnohinery. i; IIII <br />A weight,oP 900 .ia hoisted nt one time a distenoe of 170' with <br />a three-qunrtere inoh steel wire onbU that has been in use ,;i, <br />threo months. A enfety hook and ahnln fastened on end of cable <br />with socket and Babbitt metal i,s employed and'hne.been in uee <br />three months. Materiel is.holeted Prom two levelb. ~ %,~~ <br />The State oode of signals"and pull be11e are'amployed. (~ <br />The bell line ie 1/4-inoh twist wire in goad condition. The ~,' <br />oode of aigvala1le properly posted. ' <br />The order prohibiting'P,ereona Prom riding on loaded buck- <br />. <br />