Document VJobZMmveazZN7ERG9NaE5M1q

FILE NAME: Household Contact (HC) DATE: 1942 DOC#: HC007 DOCUMENT DESCRIPTION: Dept of Labor - Safe Practice Bulletin  o m m o n v a E t h ^oe m V-Y-i** HON. ARTHUR R JAMES, GOVERNOR l-< U: r ' " Si L IF* /' .' .. _"f . , *?: y . - . : D o p a r t m o n t of L a b o r x m d i n a u * t r y ^ ^ vY ; : '; Lewb G.'lHl*n"eHsw- Steitary |$ ' / ' *& ' SAFE PRACTICE BULLETIN ^ ' `frYA*-r4'^*Ktl$<+V No. '.1T i m M * : '* * * -- . * * * mwamM '1 .' y ' "~ . t.1 -- ~ _ . rs `-r^ - - n ' Occupational Uiieaje rrovontion , . ` x ' ... ^ *r '. P " X- /A- r*' f *-*.* . . .. r.Ays' ? R M f- Tm runSTIHG ASBESTOfl ?IBER AHD DOS! 1 % f WIRB IBSULAXICB luHUFACTHS T-r:| -. ; y^St^ rte : : * /. ` " *V *V . j < * i ' . f\ a ', - #^ i :** -1;; -.> : >.1-,,\V*t. " 2^5* ' Deputy Secratary > Department of Lobor and Induttry ' Frank K. Boni Q i l \4r N e. * : t.t * . . . . (. Worfcaen'f Compensation Bureau ' ' :- :V ; f S W ABB.IL 1942>' H. CHesnut '-,,Wr. *'./' * y ri--1 r -.- EXCASB 0019 in/pnpui} fnrpai/d-iit Wfpmi jnm 'fijp m V ?vo rpwzmf jinpijjv jnjjm/fUoTUT 7yrj ym^jmuriprrno irr I Editad byt- Robert L. Houts, Industrial Chemist Hhen asbestos ia used as an SAS1 -f? Conditioned the raw supply of asbestos. ^ n n g ^ s e ^ t h i o u s h a previous ft8b'st0`faotory' ^ " Thus we find two general types of asbestos in the spool ^0 *. -j. 3^ fora of asbestos which is finished loosely wound in ia re ? * iithi f ^ t h S 'i. used on the carding machines), ( 4 fme-from-lron content, is used in 1?. lnsulfttlML. Ih. TM ; s r TM 4, S S J S T w ^ * u E i'3 ih Hooavar. thi. of 1!i* equipment. It soon gets yo ... abrasive action and its presence is no -- * = . u .-- . The plant procedure of tha Oar.erol i s ^ w s i M r * - s 4^ this Safe Praotiee Bulletin* .^aatoa mat removal ayatem, - - -- - ta*1* of EXCASB 0021  f f y w s s ssjs-2 : u `leohol-ha** solvents used in lacquers for tha wire, OTt naSet^wire for 1. g.n.r.1 tyya of *=" 1= B r a n as '!? 5 d S S J r ^ w a . -stora and ganarators, and aleetrie railways. * * * * " h tot alnotol funac. ^agborn Dust Collector, and this system is independent of the one EXCASB 0022 Tb, following lllu.ti.t.4 talk pr.wnt.4 by f t *. a i a u . ,, . ,,.thly .. practice oo.f.ra... ly sta,, 6.11 . 1 *1 a t . D f * - ^*t3or tt4'" tIr' U tonf.Pimo. bel4 " U * " 4 "** ^ '" lr' ^ . U p of Sr. i n u * C. bit-., 0 . of tb. School of a l . t . y " S , 1 of ib. o o u . * . m u - 0f Workmen'a Compensation* M " ot" f ths " " UPCHADSTUT- ASBESTOS ?lBEB AMD PUST Bj ?j by INSOLATIOW MANUTACTL'RS Tred R. Kalmar, Assistant to Manager flgmarnl Electric Go. Tork Works B , oo. of asbe.10. f i b 1* tb. oi " *"1*t*d o o a u y 1.1X040. . 4ust control P b l - * * * * T " ,lther .. a pottial 4u.t tarara, a houMkaaplbg P 1'1" " " tl1- naition, 4 4 upon ib. q u * m r - s 4* - tlb>r **" for* " 4.10b 11 1. appll.4 4 lb. mlb04 of . p p m - " `,rl"1- a . York H o of tb. O.nor.1 H . . l o Oonpony l.olu4 U . pro of control not tb. -- .quip for controlling tb. ...to. fly 4 tart ** * t a g lnaptlon 4 oo.ti.uou. lot.. " 4 " 11,CtlnS ` .1. of air 00041.10... boro^. p h y l d " * " Pl0TM 3 and ro-exaaination periodically for all employees. ^ success of this program depends upon the uniform stress placed upon each unit of precautionary measure. The employee, as well the employer, share a definite responsibility to Insure safety, improved health and better working conditions. EXCASB 0023 O M Ifl / Jjs i y . 4' ' M i 't\.v ;r . author of thia h u U e tiu ia o f the Genara1 El e ?t i'l c r5SOT^t&roufih the agency o f gas f i r e ST*'v ^ r e u su ally copper, ranging from 7 5 ^ t f % k V u .u ,, E X C A S B 0024 A trief outline of the method employed in asbestos wire manu facture ia essential to qualify acme of the illustrations and clarify the mechanics of asheatoe fiter removal and collection. wDeltabeeton- the General Electric Company' trade name for asbestos insulated wire, comprises an insulating fiber of the erysotile variety ^ ^ ^ al90flnt8` ^ ,, pbyslonlly p i - p ~ #l i" llw fl6,P' }. 1. or # P -- i-- /8- - / n, t b o d of grading .ploya * * . asbaetos Dili P i - -- * " 0` " " Crl6SdW1,ilT ,, folio: A 1 . fl<" r 1S " e" ,!l" 17 C" el u l o g first, t o b acreen, than four o b - - -- u . s o U d 0 .blob rstalns -abort.. or fin. U - -- * unopanad fiber. A ,,lonl seroon analyst. of #1 f i b and * f i b Mnthnd of grading. jjH giber 16 oz` annpi. First screen 2 mesh Second * 4 * Third * 10 Bottom - Solid pan 15.376 oa. .354 .240 * ,030 " First Seoond Third Bottom rfte Titer 15.OSS ox. ,640 .193 .002 * Ht shBtts i s W t o a Teit" for Insulations ft, -- grading rsprsssnt. . flnnl oontrol toot of duality of fiber used in tb. nanufneture of ..basts tsxtlls.. o b a. toting, f t EXCASB 0025 *s'*t w /xd siiowa a &ua.cmns*LDOUt ou-ou amount or !^Qoin?ound *2 pifC8d uPoa the J^ro by this machine.The asbestos is Poc2.^- Placed upon the wire as a felt,The asbestos dust and waste from this ar2 re?QV?^ toy.the hood shown. This type of wire is used in electrio ;*es, motor leads and fluorescent light fixtures. The stopsereTlJasbeetos x on wire, (2Jrua through visoous compound, and (3) "polish out" excess 'pound. The movement of wire through this machine is from left to right. EXCASB 0026 and lap designed for use in insulated wire manufacture. The fact may now be recognized that the quality and grade of product supplied by the asbestos mill for wire insulating purposes is already highly refined. The crushing, grading and rafining has been completed leaving the product which the wire manufacturers must handle free from dust particles. The problem therefore becomes one of controlling tha fly of abort asbestos fibers. If permitted to fly In the work roam, the fibers adhere to practically all rough surfaces and projections, settle on operating equip sent, floors, beams, ate. and cause in a short time an unsightly appearance. The abrasive aotion pf the asbestos on rotating members, bearings, gears, cams, is also extremely violent necessitating costly replacements end repairs or high maintenance costs. The installation of adequate ventilating equipment and control measures at York has effectively eliminated these conditions as well as any semblance of health hazard. J The process of manufacturing asbestos Insulated wire at the General Electric Company, York Works, requires the utilization of asbestos fiber in the form of lap or rolls.(Sample for illustration). The material received from the asbestos mill in this form is re-carded and fod to the wire element in the Squired quantity to produce the desired insulation thickness. See 1. The process of re-carding the asbestos fiber and transferring same to the wire element generates asbestos dust and fly, which is controlled by proper exhaust equipment. The simplest, most effective and lowest cost method which we have devised, without interfering with production, incorpo rates a hood completely enclosing the generating unit utilizing hinged parts with shatter proof glass windows for operating control. The volume of air handled is a function of hood opening and velocity, the latter being E X C A S B 0028 dependent upon particle size, specific gravity turbulence and location of hood opening for most effective control. . C.P.M, Area (Sq. Ft.) I 7 (F.P.M.) Referring to figure #1 - Slide Ho* 1 pictured is a typical hood used in the process completely enclosing the generating unit. The hood opening measures 1* x 3* x l f making an overall area of 3 sq. f1j. Ibe Telocity used at hood opening is 300 ft/ min. or a volume of air handled of 900 C.F.M. IKie single branch pipe velocity at entrance to hood is 2000 ft/ min. A blast gate and by pass damper are also provided for reducing velocities If desired. Figure (2) illustrates the method of fiber collection and system of removing the collected fibers. Die equipment comprises a Fangbom Cloth Screen Oust Collector, arranged for outside location and selective opera tion. There are 124 screens covered with cotton filter fabric arranged wide spaced 5" centers providing an active area of 5150 sq. ft. lhese are equipped with motor driven screen vibrating mechanism utilizing 4 1800 REM motors. The collector is provided with a oentrnl partition through tha collector screen section and dust boz shown below to permit continuous operation. Under normal operations, air flows to both sides of the collector. Provisions have been made permitting the entire air flow to be diverted to J the colleetor in order to vibrate screens in the other half and clean out the dust box section below the Isolated soreen section. The air flow Rates are then reversed to permit screen vibration and denning of tha opposite half of the colloctor. The air flow gntes ore finally opened so to return both screens sections to the lino. Ibis operating cycle Is performed once each day as a result of our experience. The removal of EXCASB 0029 H X C A S B 0030 asbestos fibers from the dust box section is accomplished amnually through four unloading thimbles in the bottom of dust box large ooHector bags positioned with bag clamps receive the asbestos fiber (See photo.) The dust velocity maintained throughout the main duct system is 4000 ft/ min. The system is operated by a single exhauster, backward curved blade type, designed to handle 16,420 C.F.M. from 70, 4* diameter exhaust connectors. A 10# leakage allowance brings the total C.F.H. to 10,120, at 1629 R.P.M. A 40 HP - 1800 RFM motor Is used to operate the exhauster. 'Riis installation has now been In operation approximately three years con tinuous service and has proven its value through results secured in improved housekeeping, working conditions and good health insurance. The waste asbestos fiber formerly thrown away has bean reduced by 20#. In other words we have added to our saleable waste 20# of good fiber which is valued at $500. per year. Health Routine The procedure which constitutes a complete program of health routine at the York Works, I feel is of tremendous importance and if tiaa permitted would Justify more detail regarding the administration of each precautionary measure. In brief, this program to protect the health and safety of employees develops the following practices; 1. A thorough physical examint ion and pre-employment history a pro-requisite to initial eploymont 2. A distribution of 0. g. Co. Booklets on general safety requirements requiring employees signatures. 3. A distribution of booklets on rules and precautions of safety and health applying specifically to the York Works. 4* Distribution and furnishing of following materials: (a) Clothing - Coveralls - Underwear - cops - gloves* (b) Towels - Soap - Protective Cream u * * - 1 .ox X ... -- - 1 * -- ,d, M r W *. - W - * - "* " *0ri (.) T l l 00X5. - sootlo. W 1" " 4 flr!* ( f ) fcunch room f a c i l it ie s * . . t through the looker rooms provided, str e e t jjjxployoes enter the p i * througo 4 *ftl room end working clo th es provided " -"L.,, _ ara worn during factory op erations. T* .. -- - f io e e o f the work day. telligon t . -e . n* amnlover cooperation o f emp y _ o f any hv/e, ail+tvhi i " s8,har*ith " ; ; ai and, aemmpnliooyveeee hiatvoe provided y the essential ,, ,, b leo incident pnrroobolxoom or housekeeping pro 0f 0a sM3t0. ttMr u- -- to the handling of asb estos fib er emp * - alce" 1" 1 fo r Wire and wire products.