Document 5kOnmadmMkvEdDyqzmJdLLYrJ

1 f 'V State nlng Engineer, Mims Pepartaeat, PERt*. nicoosu?.. ?iat Vifttftt, 1951. Vaatliatlfta - Blue tana - A wiait uaa aada to the asbestos Una oeratad by Australian Blue Aateatoa ltd. at bitteMoa, *sd tnSerjjTC-OTvd orkio* and treat***! plant 1mpactad. the attached abaete iwe tha ttaltle of dost eeuot# am3 teaperatura readings recorded. , Za Junction with tta wa&tiletioa officer of tbe aim *ft air aurroy **e eosplsted and tbe aoasapaRrl&g plan etwee dtreaties and veius* f Ar flow, tesfterature readings, and Oust eeun ri*e*3*d ifi tta air fttdBMlIu the following point# engaged *y attention and war* dlecuaoed with the ale* amiager, Mr. Pawl fhowae. gfrfmrauad* A fair wcisa* af Air <11,560 a.f.e.J stars th* tdna through tb Booth haulage *tti o the uppr ea tat eftar flawing pBCOxiweteiy 500 faat this wolwaa OlMnjaMe t 11.560 e.f.fc. eed fur attar 4CC ft. the initial relwaa lo dini&ta&ed to S,*98 e.f.r lees than half the wolsoa wbtefc aatara the m aa at thie particular ctraaoa* Brattice# in poor coodltioa and faulty etoppiwp wllo* this food *lr to eaoap# through old workiflga and abort circuit to the exta a. Se*e at tb dears uaad aa stooping* rad rw^olotera to th* fl a olr a7* of poor construction, aod tuchUd ceaatderably taa it aoaoaaaloa fra* explosion* during firing. Sane doora aoad eeoiprtBg with a eelf*oloaiM dewioe .. attwng acrtngw, *eoe<*al2y noted *a a door near tta battery charging station, (r. Ttoa-s in raply to tbi suggestion arid that a aaltf dosing dowlas tad taaa fitted tat tad at disappear** eed suggested theft.) 0* tha loaar eeaa St.260 e.f.tu ester* the atm *d through wiaxe-rlae eonnectiooe flot the coper therbr wodil ating the workings oa tha Bertbarn aid*, fbta air la aztaaatad By tha ats aztaaat fa*. Zataka air. Opar Saaa ** lar Caa* 15,560 e.f.a. n.gsq Total lataka air 40,820 c.f.a. Exhaust Air (tawaarad past fas) m 59,950 e.f.at, Bieaa it ie naoaaA*ry that tha aahaatca han otnad abauld t ha wat tha Moount of duat partidoa In tha *tr 1* hiah. Eapaetally ia this uotioad ahora tha era ia aor*ed iftta 1'MIm Saekata by aorapar holate. tha beiat otarater ia aahjaetad to this aopiratora era e* ordar and aill ba iansd ta tha taiat eraratans ba-B raoalwad. Vaoturi deota rad aletfc. St aa sotad that 6* diaa. artaal <plpa wara la ea far eoasidarabla diatanoaa fro* tha faa. that plpaa ara wary aatiafactory ia raaiati^ d*m;a due to firing* hgt, tha lose ef affielaeoy by tba Ua due t frietioa loaa la hih, ~ daeraraa ia wolrnm af air euppllad,. i rat. tharafora tha see art t~ 6* diaa. atoal pipaa la <*r. fhaaaa aaya thay apa aadaavoariivt to aaeara 10* dla* rubbanaad waatari detba. J WV4)04012 Venturi 6wet end cloth * not suspended to the *lle eodAet < wsrs lying ea the fleer of the verttng. Cloth# vers not up to the erWftfl fee* od lo no es esrs they nearer than 15 f*. d this dletance varied, being up te spprmvljwtely TO ft. in the *e. Myi co the Upper Seem. The selection of the position of the eleetrle f-n,oe* ventilating the working fee la development ends, in none ceee n : In the pertseoler case of the 2 & brlve the tea i* she** of an open te the upper esaa red tho causes the air te he recirculated. fbe ventilating of etopee require attention. The up# secondary fetchedcel ventilation lc urged there one eeetlea of the > le advanced sore tba 10 ft. peat the general face of the etepe. Veotil ntiofl Officer. At the time pf my visit the enrveyor *a filling the position of veatilstina officer, 'the eppetatmeat of e permanent off le necessity. Ventilation oa tMa mins eee*mor supervision evidenced by the incorrect selection of fan eltee e* instance* nbov She recording of temperature -nord notion neeeeeory then* they ere fe te he toe great, 2 of greet importance, end if po*lb2e, duet e#me: should be tha. hope supervision should he given by ehirt-bosee t; the meceeslty for hooping venturi clothe up to the face, end the co-operation of tb miner* eleo obtained. Treatment nflt. By comparing the remit# of duet eemclea taken during this visits!th thoeo take* hr Hr* Lloyd la September 1950, It >Ul sen that condition# here Improved, the improvement le probably da# tbs Installation of *nr*aa duet collector (vet), end f*n* vhioh esheupt to etmoapbere above the Bill building. the ere# in the vicinity of the treatment pleat appear very goaty end la probably due te the erheust, from the fane la the pleat, drifting de*a or being forced dova by the eind. (the eitueti ef the pleat la reepect to the wpll* of the gorge may cue# the ale to bear dove. 2 X* vee suggested that mere i*the ef dee** mooli e> the emhsmst duet higher and in come meeeure eliminate the duet tula Several draeiage cf ehaitfereeme u in see In f-laeorlt' eere mbteimed end supplied to the mine superintendent. They ra dieeumsed end icfenstlea required ve eapolled. fhe present changercoc appears to he too email far the lumber of see a*ln* It another building sill he required, the selection ef e eite for the see cfcsogsroom eeeae te be the major problem. &fiB&U On eras!Ration ef the duet s*e$iee. both froa uMeparr and the treatment plant, the amount of fibre vialWe la very email. Seme goaplce appear to bet# oo fibre preccnt, end an estimate of tv parsestage of fibre present in tbe air veulfl be very difficult to * the development facet era taken over *n avereee of 7 ' high by 0 ft. aide end costain, only e total of 2 inches ef fibre 1 a height of 18 te 8d inches, title gives ebent 8*55, by ere. as eebeatoe. Io atepe faces tekem 5 ft. 6 Inches high and 6 ft. ei' tbe percentage ef fibre rlsee tc 55. fbllet boring, tbe machine miner endeavours act to bor* tbe fibre and tbs* be is ecb)acted te very little attack by tbe fj* The country reck auTTCUttdl&g the fibre le considered variously ** ferruginous caertaXie.gr fbrmgfemce eaw^etune, both of *Mcb nek bsve # blgh allies content. ,} (3) <r> Jbe high teepervtaTve eeaeured *t verklog pleee* $ i aloe o*n be ettriluted anlaly to te footer*. (1) the lack of tbe <t of voter on the lie, beefcs.vM fneee? of working pieces, &6 on th# broken dirt either 3 eft or eing begged. / (?) The neglect by ntnere to keep the ventert elotfcs i , tbe working pieces, ecu Xnxk of supervision la this fetter. .. It to felt .%s^,viiptUotifiB Bpadliloa<u.geaer*,lXr~ou3 I be lnpro*ed by attention to the shove mttsre.* Sbe gteeter see ef .i voter in the nine could be achieved if yroeeBe..t_flbre~dTyiagw*e / j incorporated la the treeteeat pleat. Hr.Since ngr visit to the nine, the Senior 3specter of feiaee bee been advised that t, Meshes bee been Appointed Vontllr' Offleer *ttehed to the ee*!*ay, It 4e hoped that this appointsent will have the effeet of isproving eorerrielea, end inatwH*lion of ventlieting eppli*n*e<. c . w. 31 i* / assists TCgnutiPB itr^cr^? or *rm.