Document o52e4aZkLYaoad0dMO7x9ERw

FILE NAME Colonial Sugar Refinery CSR DATE 1962 Sept 14 DOC CSR093 DOCUMENT DESCRIPTION Memo to Mines Inspectors with Letters from the Senior Inspector of Mines RE Inspection Results - Wittenoom - Dust Levels Increased e Wee -? ~ 8 ace! ca PLAINTIFF'S EXHIBIT 104840 LIMITED 97 AUSTRALIAN BLUE ASBESTOS PTY SUPERINTENDENT MEMORANDUM TO THE GENERAL PERTH 27 JUL 1962 PERTH WA PRIVATE 164 25th July 1962 MINES INSPECTORS We are enclosing copies of letters received from the Senior Inspector of Mines in Kalgoorlie One refers to the use of fast plastic igniter cord and you will note that he has forbidden us to use it This letter arrived in the same mail as the copies of your correspondence with the State Mining Engineer The second letter refers to his r^'centinspections Hr Boyland is again being particularly harsh and unrealistic in some of his demands For instance his request that sprays be installed on the tailings p utterly ridiculous and we to the on this dun is should appeal Minister all the point He also wants areas around the mill to be sealed to prevent been oiling dust rising We have these areas frequently Mr. Boyland's complaint that the tailings bin was emitting dust and there were not any acceptable operating water sprays in use was correct but the reason for the sprays not was explained but evidently no explanations are in order or acceptable We have taken steps to seal both bins and have asked Forwood Down for quotations for conical tops to fit these bins and this will seal them It was explained to him that construction was not complate on either bin We are rather tired of his constant threat to initiate prosecut- ions This is being done according him to force the Company into carrying out every instruction We would suggest that this constant threat be invest < igated . Mr. Boyland's claim that no attempt has been dust from the bagging machine is entirely wrong There are all around the machine and we are now in process of closing room made to collect hoods and ducts the machine in a We do not stop in our efforts to control and collect dust in the mill and we have men constantly on ventilation underground It is not easy to comply with every request the Inspectors make but we at least do our best to carry out their wishes ee we any ee aed AS 3 PLAINTIFF'S = z EXHIBIT E NO 104830 a 2 he OWS elle 25% Suly, 4962, ^' zine wish wisFholaldviosewaidnvgiFsraccaet FraccataFrsacfcollaowst followsandiwcy # etivcy of your ~ Visually deteriorated have conditions sinceInut visit siege recorted duct countcsonsid 'high infotinfot infot the siege count for the day shift the could highest ever Conditions Conditions lly from the dust could classed as ever eouns sorut ever prgle could classed classed overago overago dust co,utntuaer-liy The following corded over the rect ditions juara Illustrate Illustrate O e528 & the treni eourty Aiustraty this trust os Day Shift for Tovember " '" Tovember 7 ugust " " " voreh .e " Junc 1560 oo 1962 agg 180 ( 420 570 + (32 hogs Sree - noon 4 " " -M tw August June min 1961 | 1962 once 630 590 causing (spy brsk) to in dust hazard resulted counts evertne times during inspection count or inspection below.No attributentie mould 850 p.D.C.C. airflow through level negative fourd to edit edit below.No 10,000 level entering the ., ousing seru entering im^fu surface surface but levels The the lower circuit , A area leaking 3 levels levels area total 6,000 between D3 leaking down 6,000 cuins through through weinflurence e leaking thence lo's passing klovo elo lo7 velo civice into influence 24scit thence which level under level store upperthe exact usts The this along izmisting izmisting . The trattices izmisting izmisting izmisting into store & , lower lower tract or poorl tatsurowenta stage above employana valetine rh particularly allowing thus particulary level through Our tatsurowenta tatsurowenta cyprox 30,000 30,000 munin~ from the indiente cyprox lover ngus eircuit eircuit into be Cur The widerground have The widerground widergrounedmempployeanlampoloyyaanna a supervisora supervisora supervisora poner valetine corrent dictioi dictioi hive appliandos al othe ~ obscience genosmlly . educated in the Hasinon dictioi tpea of MvHeeNr oerso i ia son to: genosmlly sot ^'thoimliy, Atothe ebnaciverice comeet tas, t., Wr tibetars f aang Sean ere Lae, aA es ard . PLAINTIFF'S EXHIBIT 104810 104810 iuky 2 : - } } t 2 2} 2 : tZt4Z 9 49 tZ49 : GOVERNMENT GOVERNMENT OF WESTERN AUSTRALIA MINES DEPARTMENT KALGOORLIE *" The Manager Asbestos _ Australian Blue Asbestos Ltd. uo WITTENOCH ee ee COPT nan 20th July 1962 ~" ~~" Ventilation I have now completed discussed detailed study of reports made Departmental Ventilation Inspectors discussed your Mine Workings with all Inspectors of 2 Mines concerned . ee: Tests made by our VentilationVentilation Inspectors on your Kino Air during the air has generally increased show that the dust the mine | June period 15th June 1962 to 21st 1962 content of The Inspectors report report that the general observance of of the lines Regulati $ Act was at the highest level yatyat seen in your mine and therefore the increased air can content of the only be due to Mining methods employed ees dust These methods require extraction by Underhand stoping or that the stope onl advances away from the surface outcrop . face . Cr 3 Our Inspections carried out over a long period have shown that these stopes cannot be ventilated adequately from will mee I must refer you to Regulations 145 147 148 and 149 of the lines Regulation Lot No. 54 of 1946-1961 These regulations read collectively require that fresh air be taken directly to your innermost or deepest levels that suffici of this fresh air be split and taken to each working leve whl ere it be controlled ventilate the workings off such level and then return to the surface by direct course that their will be no circulation of mining Your present methods do not allow these requirements to to ful - Secondary ventilation introduced into your stopes has not proved adequate : Regula I must therefore notify you by Virtue of Section 22 of the Mines ion Act 6 196t1hat your present stoping methods are dangerous or defective as in my opinion to threaten or tend to the so in The nature of such bodily injury of persons employed thor- danger or defect is the high dust content in the air breathed by employees . underhand eway from I must therefore request that no new stoping methods or that the faces of the main bench face ctopes be commenced or operated by any new stopes be worked advancing . surface All new stopes must be worked from the respective levels the surface outcrop or bench face and advanced towards the upper level face by such methods as to allow for a free flow of fresh air from the of the mine to the surface exhaust furtherest fre or bench deepest par The high general dust content of the mine air as ore transfer points and ore bins indicates that water operated correctly a ; especially at places sprays are not being ; such The work of isolating the ventilation of the upper and lower seam worki is not yet completod and much recirculation is taking place . insdaquat This work was commonced many months ago and should have been ? now - Inspectors of Wines will in future stop work in any place completed in which ventilation or air'recirculation is found - -2- On 6th November 1961 I wrot~ toyou regarding dust generally and stpaielciinfgiscadlulmypmeanntdioanreeadsszt uilatruipsiwnigthfrmoimllthetatialiilnignsgs at the tailings bin te DuringDuring my recent visit I noticed If points } If this dust is not eliminated I will have acine those sections and initiate prosecutions dust arising from all three no alternative other than to close close Pia . aia wer installed Please ensure that water sprays are correctly and constantly used on all surface bins to prevent dust escmping into the atmosphere had been made from your No attempt to isolate dust arising begging section This work must be undertaken forthwith new Notwithstanding that you have specialists testing a new dust extraction process it mit be clea rly understood that whilst this teat being made it is necessary to prevent or control dust at all points not the control of your pressait dust extraction units is under hy. os In future if an Inspector of Mines finds dust arising he will stop the unit concerned . ; Yours faithfully J. BOYLAND SENIOR INSPECTOR OF MINES asgeaed