Document 2JaZkLNZy6ZvDwdvOjwRq1m3g

Ft|l 13230 13230 12800 12040 12840 12841 12842 12843 12844 12354 12354 12834 12333 12333 12388 12888 12388 12888 ism 12348 13721 12338. 13230 '3230 '880 388 1773 .3773 12381 12388 12381 12388 12388 12389 12803 12881 13244 12371, 13794 12881 12951 13244 13244 13244 13244 13244 13244 12508 13833 13774 12508 12888 13794 13794 '2888 388. 834 1834 12741 13001 lo-n-n Surnkt Patna 13&9-1382S Part II FEDERAL REGISTER VOIUMI 25 <XV/.,9w34 ^ TED* NUMBER 251 Washington, Wodnotday, Dtcwnbor 26, I960 Title 41--PtIBUC B0WM01S . Uoa* where .evidence .febnot .nqutradi: 3the ragutotkm* herein promulgated has Whet*, therefor*.. th* common:.xp*rl-'. relied quite extensively, an th* outstand Chapter 50--DMska if Fublk Con* tract*, Department of Labor eooe of men i* sU that ia needed to lead a rational and prudent panon to the oonetuslon that oertatncondition* of em ing contribution* of th* private end pubMc oraantoaOon* which are generally aooepted as preeminent in this field. PART 50-204--SAFETY AND HEALTH STANDARDS FOR FEDERAL SUFFLY ployment tnoompatnn* with th* safety and health of employ***, no de fense 1* provided by th* statutory Among thee* an the pubUoatkms of American Standards Aawwrtatlon. ms., American Society of ifenhantoal Engi- CONTRACTS "pttaa-facie vldenc*" rule manly be- naen. National Fire Protection Associa The Wslsh-Healey Public Contract* oaam each renditions may rvH bo spe- tion, National Board at Fir* Underwrit Act (49 8Ut 3038, 41 UJS.C. S3 et esq.) otfleaQy prohibited m the state rnftty, ers. th* Public Health Berrios of th* require* that contract* entered Into by any *t*ner of the United State* for the menu!actut* or turnlahtnc of materials, sanitary, and factory Inspection bn, or th* ragulattcn* bento? propomdL Neither to it incemery to eafi a wrttnea* United States Department of Health. Education, and Welfare, the Bureau of Warn of th* United state* Department cuppUe*. article*. *nd equipment tn any amount exceeding 810.000 must cootain, among other provisions. a stipulation to teatlfy oonoernlng th* hamntoo* nature of oehcondition*. . The statutory rule of "prtma-faeto evl-' of the Interior, and the Atomic Energy Oommleaion. Section 7(d) of the Administrative that no "part of such contract will be dance" was not designed to d*tr th* Prooednra Act recognise* that, even tn performed nor will any of the material*, Secretary of Labor from diligent inquiry th* most formal type of administrative supplies, articles, or equipment to bo even beyond th* safety, sanitary, and adjudications, agency decision may rest manufactured or furnUhed under raid factory inspection laws of th* several on "official notice of a material fact not contract be manufactured or fabricated state* to dtoeorrer mar* directly what appearing in th* evidence tn th* record." In any Plant*, factone*. buildings or are the "working condition* which era but it require* that "any party *hh on surroundings or under working eoodi- unsanitary or habardous or dangerous Umety request be afforded an oppor tiona which are unsanitary or hazardous to the health and safety of employeta." tunity to show the contrary". Th* At or doacerotu to tha health and cafety Thla to demonstrated by th* provtoiona torney General'* Manual on the Admin of employees encased In tha performance in sections 4 and 6 of the Act. directing istrative Procedure Act point* out (p. *0) of *ald contract". th* Secretary to administer it and au that this authority "extends properly A sinela standard of safety and health thorising him to appoint exports, make to all matters a* to which the agwnay condition* la thus required for aQ work investigations, hold hearings, th* by reason of It* functions to pneumed jubject to the Act. An objective descrip production of evidene*. and make find to be expert, such is tachntral or ecltn- tion of the worfclns conditions encoun ings of fact. Accordingly, following en ttflo fact* within 1U specialised knowl tered. established by a preponderance of actment of th* Act, experts wen ap edge. Ct. HJt. Rep. p. 3t (Sen. Doc. the reliable, probative, and substantial pointed and their testimony used in the p. 272). Th* matter* thus evidence. Is, of course, essential to the administrative enforcement proceedings noticed become a part, of th* record administrative application of thi* stand conducted under section 5 of the Act. and. unless successfully controverted, ard. A second question which must be Difference* of opinion over what condi furnish th* same bast* for finding* of resolved U whether conditions of the tion* of employment fail to meet the fact as doe* 'evidence' tn th* usual type described are "unsanitary or has- statutory standard have thus been re sen**." ardous or darxerous to the health or solved with th* aMistano* of expert testi The hazardous characteristics of many safety of employee*". This Is a question mony on a r*,**" by-case basis in nearly working conditions, thus being facte of of fact. For assistance in Its resolution, a quarter of a century of hearings and a "technical or scientific" nature, and the set provide* a special rule of evi findings under th* Act. Thee* have been having come within th* Department's dence: "Campllsnce with the ssfety. conducted in accordance with sections "specialised knowledge" by reason of its sanitary, and factory Inspection laws of 8. 7. and I of the Administrative Pro experience, proof of them in administra the State in which the work or part, thereof U to be performed shall be cedure Act since Its enactment. The hazardous characteristic of a par tive adjudication! by official notlet la appropriate. The facta declared in these prtma-facie evidence of compliance with ticular working condition, It. of eoun*. regulation* are soundly based In tha ex this subsection." th* likelihood that it will cause Illness, perience of th* Department end in th* The statutory provision concerning or injury in the employment situation. experience of outstanding public and "prtma-facie evidence" does not purport This characteristic Is not always Im private experts In their specialised di to take the place of the uniform national mediately apparent. Causative analysis visions of the field of health and safety standard. It has application only to of injury frequency rate* tn Industry ha* engineering. The regulations herewith issues which require evidence. In the shed much light on the Importance of promulgated extend, however, into areas absence of opposing evidence, it author certain precautions not fully appreciated In which reasonable men may differ. izes resolution of such Issue* compatibly by thoet responsible for the operation Any party to an administrative adjudi with the prlma-faele evidence. Also, of Industrial establishments. Tha De cation who to adversely affected by them rules concerning prlma-faele evidence partment'* discovery and evaluation of will, therefore, have the opportunity to obviously have no application in situs- thee* hazards and the development of contest them by presenting the issue In Ho. 381--Part H----- 1 13109 13810 RULXS AND REGULATIONS hi* rwpoortva plwdtny and lfltrodueiag such evUMnoa u taa win bt able to muster lor oooMdaratleo stum batting. PubUoatieo of auadaxtfa which win undtrUo* ttM wfawm policy of Urn ganey which atfmiaJctm tbt WalshBcaier Nbtts OaoMeta ABt wlO ptwBoW obMrruM of tbt atfatr tad botlth rt quittmcsu hr curtailing uncertainty to tbt part of Umm whom duty It it to com ply. 9uoh pobUethoo will permit tbt tdmlaiitrtUft adjudication of many safety tad health ctatt without tbt naeeaiity of gaffing an nptrt wit&ott to thaplao* of bearing to taattfy to tbabaa- artous naturt of tbt working condition* denounced la tbt ragulationa. Krcept la eacec wbtrt a party dm aotiet of intaot to ohaUcoft tbt aafaty ctaadardt expressed ta tbt regulation at hearing, u provided ia tbt regulations herein promulgated, tbit tltaatot of poadblt ooutrovergy, and ostartan of potrtblt variety in decision, wffl bt tHminatsA ^Tbaat art tbt eoortdtrattona whisb prompt this tat of tbt authority x- praaeed Btaaetion 4 of tbt Walsh-Haalgy Public Contracts Act to maka "roeh ralat aad regulations ss may bt atosataiy to carry out ttaaprorisloa* of this Act" RftdlfrtlOCl for tochMEUsi to the reculatioot btrtia promalgatad aa amendments an currently being drafted. Tbty will apply tbt rtccmmtndtUons of tht Ptdtral Radiation Council ap proved by tbt President for tbt ruidaaot of federal agendas Uay IS, 1H0 (SS Pit. (403). . As theta regulations art rules of agency procedure or practice daltnrattng facts which win bt offlclany noticed in en forcement proceedings under section * of the Act. notice of proposed rule mak ing and public proeeedlnaa In their adop tion art not required by tubaaetlons 4 cat and (b> of the Administrative Procedure Act in acocrdanoe with aeetico 4 of the Administrative Procedure Act (N Stat hi, s UAC1003), therefore, and under the authority of section 4 of the Walsh- Healer Public Ooafeaeta Act (49 gta*. am, 41 UAd U). gfteotivw to dan after pubUoaOcri m tbt Pasmut. Bnaoma. a -new part IO-J04--Safety and Health Standards for Ptdtral Supply Ooctracts, is hereby added to 41 CTR, Chapter SO. aoaee ut lffusn K>-JtH.l aeope ut applies ttoo. Putfanee tn umtixisca 0-3044 404004 (0-204.4 Buildings. noorv _ Building egret*. 4O-204J 40-204.10 40404.11 (0-304.13 bTASWA-r* oa ffrsrs Stair width of treads and height of nasra. tatrway malntentno*. Tread*. Stairway raiuaga and handralla. acAaanis or Ttoot Opskiku an Ptooa Baaie 40404.17 40404.1* 60404.1ft 6040440 Stairway floor opening*. loddtrway floor opening*. Bauhway and ehule floor. Floor bole. On or onx-mm isi bnun 104001 Runway, guards*. H40UT ~ *040444 040444 M40U4 04MTI 40404.43 soaderd railing. atatrsantog* atrength or standard taomg and stair railing. hrotMt Bevatorliupeetloa. Bdetways. . trader ear atfety device. Bateh Unit ooctrot*. tumsminoH Minimum stenderds. 40-204AT OoostraeUaa and use at portable (0404.44 W4MU M-aotiO (-0.-..4.0..4..A..1. IMMil 40-304A7 Balia e( portable laddeta. Patatiag of wooden ladders. Sttpladdart. Heed ladders. ant Pseesexwsn awewidths. 4040444 ao-aotja 10-404At BMfht. men artlelaa. Pipe sad other teog stock. OaaaatReyuadees. 10-904.31 ao-*04.n <0404.71 0-904.74 0401.11 0404.7* ao-tot.Tr Ahte sparing. Clearance sign*. Derail aad bumper block*. Ttmftc floatrot ctc&t. Open pits, tanks, vats, ditch**, ete. fuaaiat Lwums 40404AS <0404,44 40404At 4O404A4 104040* 40404JT 040400 040441 0404AS tooreee ef ignlttoa. Vtgeaaooa removal. auaskeenlne. BastrUaiUgntlng. Vsotilenon. Rstoe* tvorsg*. Open flame dtvloet prohibited. Bonding end grounding, luuag vvnta. torege tn other then flammable none* building*. Safety annumere. Pams Am Prismwe 10404rt 40404J* 40404A# 40-aotJOO 40-104.101 0404.103 torsi* at paint*, varnish**, laoqtMn. thinner*, etc. Stonge location*. snag* at flammable paint nt, tirtjui in niwnl aoBUiAn. Psint-eotiedoiothiBg and drop doth. Roueakeeplng: paint ecraplngs and paint saturated tn_ ~ VentlUtlon of htrmful tub- 40404.103 TenulaOon of tlsmmabla vtpon. 10404.104 Smoking or open flame* pro hibited. 40404J04 Keetrtaal equipment. 40404.10* Beotrlo motor*. (0404.107 gnokjegre driving b*iu. 40404.101 Stone* or eombustlbl* tnd flammable cleaning materials. PuaPwvmmon 40-304.1it Xqulpment. feneral. 40-204.114 Pirn aid hr* fighting ettlnguub- en. general rule*. 40404.114 ClaaalQeation of erunguiahars. Paseeua* VatesA 0404JK SoSws. *0-t0USl Steam oooken. digester*. glue pO%# ttC (040U& tTnflrod preeemw waeU. Toota no XetriPMsrr 40404J9T Kalntenana*. IO404J9* Poctabl* Meets!* power tools. 040441* Portable pneumawo tool*. 04044*0 CBbles. rep. and ebalna. Tormina* akd Pagtawmir qr Wmsixo *kb Oorrote 040449* -Welding and cutting In confined tpaota. 40404.144 Ventilation la --t apace*. 0404447 Mechanic*! ventilation. . 04044M Wridlng and cutting Involving attaU of sifniftcAOM* 40404444 Protection to other employe**. 0404440 Inert-gat-mtal are welding. 0404441 Qaneral welding and cutting. gucnxAL knurrsoorr 40404.144 Oenaral plant wiring. Uaatamcat Power TbAmmHtosr Awajutov 404044m Plywbaeu. 404044*4 Cranks end oonneoting rod*. 40404.144 Tall rods or estaarioa piston rod*. 04044M Ooveenor ball*. 404044*7 Shafting initaliatiocL 4040444* Ouarding bortaontal shafting. 04044m Ouaitling vertieai and lruUned *0404.1*0 Pro>*ctUig abaft and*. 0404.101 Powar-truemlariOB app*ratu* toe*tad in baewnenta. 10404443 Pulley*. 10404449 Botlsontal belt*, topta and Chain drlvaa. 40404.1*4 Onrbaad chain and link belt drive*. 04044m Vertical and inclined belts. 04044*4 Vettloai belt*. 0404447 Oooe-pulley belt*. 104044m Oeu*. 404044m Sprocket* aad chain*. 10404.170 Openings far oiling. 40404.171 PncUon drive*. 0404479 Key*, eet ecrewi, end other pro jection*. 0404.179 CoUtr*. 0404.174 Coupling* Ooa* Stakvaam ro* UscMAMCAt. Powsa TVAHiKtaalOK 0-904470 Materials. 0404.140 dak. shield, and "V" guard*. 04044(1 Approved matartala. 40404.1*3 Wood guard*. 40404.1H Onarda for hortaontal overhead bait*. 404044*4 Ouart* tor hortaontal overhead rope and chain drtvea. 40-304.1*4 Ouart rail* aad to* board*. MaCTUAWan Uackb OfraaeiMe 0404.1*0 Lathee and automatic eersw ma chine*. 404044*1 Drill preMee. 40-304.It3 Planers and ehapsro (metal). 40-304.1*3 Shesn. 40404.1*4 OuUlotlne outlets, power-driven. 40404411 'Power premees. *0-904.1*4 foot and hand presses. 40404497 Other power-press safety devlcea. 40404.1*9 Platan press**. - SO4044M Abrasive wheeU. ' 40-304400 Revolving druco* and cylinders. 40-204401 Pans. WooewosKiKa Mackikov (0-30440* Circular table un. 40-30440* Swing and sliding cut-off saws. 40-204410 Inverttd awing cut-off eaws (lump ACWB). 0-304411 Radial taw*. WednetdaM, Dtcember 28,1980 Fl&ItAL KEGtSTlI 13811 0-S04311 O-S04313 IMMJ14 o-ao*3it 0-30431* MlUlANlVKtl MamaltelMii. MUM. fiU aupm, >iM few yaaat nun tat WaUarmaahioa*. Ftaatat, moidtag. rmui u4 mMlf MMklhn. wnwhmm safety and health itandard* (a) Onmpllanne with the standards which will bu applied in the adminlstxa- , expressed to Part 50-204 of thi* tton and enforcement of tha Act, to- win set rahere anyone from say obUceetodtog proceeding* und*r tta awtlon tte to comply with any amrt atzlot and 41 CfR Part W-JOS. flubpert A, to standard rtammlnt from any other determine whsUmr particular eoctracta eourw whataoerar. 0-304317 aawttagmanftlne*. aohfeet to tha Act an betas, or haw bean, performed la onmpllanos with It* Bdasoraa m Arroamswext safety and health raqalmuata. 150-404J BuOdtofs. to-30*3 u>-aoco tMMJJt 0-304333 imnui 0-304334 Owersl. noon. ItamaaUe material*. Took aao ether materials. imcmlinlM (or umOipo*i. awMptat &a4 return reownL Tocutr Farms*** an Warn Moon* - *0-3043*8 *0-3043+0 to-uul soaouti 0-304343 *0-40044 10-30404* K-K4J44 Separate toilet tor each a*. LeeeUoO. water ekatte. owwtraettoao* mintroom*. c&amiotlelameaaMt pettier. WM&lBCtMtUUOO. GbJU>CRXMI. aettrug roan* tor rats. Lunch book* un Foo* Bukm *0-3043*1 loMttQC. 0-3043*3 WaeurooddkpaMl. to-KUU Freeinee ot Babe materiel*. Pamaura Warm *0-304-3** Fotaaieweter. 0-W4JM Koa-potaMe nur. <b> Za eh adatolstrattw, adores- aiaot. and tavastigattv* proossdton oon- ducted by the United States Department of labor under the Act. camel notice vlh be taken of the fact that tenure to MMk with the noolrcmaata eznrawad la this Pan M-a04 of this chapter rwulte In working condltlcca which are "unsan itary or huantous to smptarew* within tba meaning of section 1(e) of tha Act, and contract* Incorporatlns tb* stipula tion ft require*. (c) informal enforwment prooaad- ton under Motion efth* Act, rmpeod- anta win be permitted to dononatrato. by tellable, suhrtantial. and probative cvldaace. that their UOare to oomph* with tha requlmevota t tpnw*d to Part SO-toi of this chapter did not malt to working oondltton* which vote "unrnnl* tarr or haaantmw or dansarooa to m- plcyue*,** but only tt tha anewur to tha jJmlnt Ate* mv4er 41 CPB t. BuOdlnn and all appurtensnoea there to, tootodtoc brldia*. tower*, baloonlea. runways, and platforms, shall b* struc turally sale to prrrent twnarw, 50-3O4J Flm * (a) No floor or platform than be ao loaded a* to have a factor of aafety of lem than four. That is, the waight planed upon a floor or platform nan not atooad one-foarth of the braaktoc ctnagth of tb* platform or floor. (b> floors, othr than those rsettac dlraotly on solid ground, whan used for baauy storage than be clearly potted to stmv maximum ml* floor <e> AB floor surfacw than be kept clean tad dry and malntainad to a mootb (fro* from hoiaa or pralecttons that might oauaa trtpptng aad reason ably aantttppery) ooadittoa.. <d> Wbata the type of cperatldc aa- 0-304244 Medleal aarrtaaa. *0-a04>* OmniI isquirtmeal 0-304370 Fust-aid tor ebeealaal lnra*. KmrraoancuaTU Ootonmem m*M *xpem to that affeot, wmtutw wurtdng on floor area* which identifying the- particular code -unit would be oCharwlm wet or aUppecr. auch ebanaoged and aetttos out tba factual : areas ahaO be eotared with mala, gratae, baala for the ahaOanx*. Xa tim er** rtwfi, or othar high frteHcn floor aueh tome is drawn, and reUatale. mb- conrtav. . ' . ;- stantiaL and probative evidence btotro- (*> Safe means of aceew. sultod to duoad to auppert of tha chaOaas,,the ocodWona. shall be piwuldad to emr *0-30437* Tea** pm, vapor*. ftnaee. 4oat peettoentporttoua of tha pgbllmttnns cf otirhwd potnt to which amplcyam are aa* Mtaia *0-304-37* ThmhoU limit valuer. called upon to go to oonneettoo artth their Inc- Aavrloan Society ofUtchaatoal *0-3043*a Oeaaral veotUatlon and Ucpar- Kngtowra, Natlanal Fire PintooUnn AaaortaMon. Rational Board of Ptta Padwwrttars. tba Pubtte Health Berrios of the 50-304,4 BwQdlac **. (a) Hrtt*. Not leas than two mean* *0-30433* Local eenaun ventilation. Mom* 0-30430* Koiaa. rmaowex, ffcjia.~nti Beuxncmrr United Btatsa Department of Health, of agraw (other than ladders or aiT*ducatloo. and Welfare, tha Hunan of tors) as remota from each other aa Mtow of the United States Department pornlMe. shan ba provided on every floor, of the Xatartar, end the Atomic Xnetsyi rtoctodtog baaaroeots and eanara of every Onwifnladwi vffl be,aoosidared.'toetiharL bonding.-or, section wbsra parsons are 0-30438* Feraaai protective equipment. with say other eutdpoe thatraayibe'ade* 'emptayadjwooithe-'straet-flocr at toast duoad to support:of<tha(raculatiacUtonf tat'otitbeMiahan-be a door.toadtoc dl- Varna* 0-304300 Federal 1QM Battty Oode. Autwowt: It *0-304.1 to 10-304300 le ered under eee. 4. U lut MW. 41 03.0. t*. Interpret or apply eee. 1. 4* St**. 30*4, 41 03L0. 44. | 50-304.1 Sup* aad eppKcelleee, (a) The Walsh-Haetoy PabUe Con tracts Act (40 SUL SOM. 41 VJLC. U et aeq.) require* that contract* tntarad Into by any artsay of tha Unitad Stata* lor the manufacture or furnishing of material, supplies, article*, and abate ment in any amount azceadlnr 110,000 must contain, amon* othar provisions, a aupulatlon that "Ho part of such con tract will b performed nor will any of them* terials, supplies, articles, or equlpment'to be manulacturad or furnished under said contract b* manufactured or fabricated In any plants, faatariaa, buildin** or eurroundlate or under workin* conditions which ara unsanitary or hasardous or dan*arcus to tha health and safety of atnployeaa tn*a*ed In tha per the lame whether'the pmpomttraaoe oCS rwotly oaaid* tbs bufiding, tadthe other the reltabie. substantial, and -probative 'may-fbO'S door toadtog outakto tba uldenoe suttwrta a Undine that the bunding, or a ttaadard hcrtaontal exit. worfcinr condition* prohibited to the em Ob upper floors and basements, one exit ulation an unsanitary or tawMiw. o* shall ba aa enclosed stairway or oofcs- daateroua to the health and ml*ty of proof tower and tb* othar or other* may amployaaa. . . ba maid* stairways or borlaoatal exits (d> The standards rmreawd to Part or fire woap* stair*. - - . 10-304 of this chapter are tar apphoe- (b) Jtxtt door*. Doors than earing to tkm to ordinary *mploymant eltaatloo*, the direction of exit and open to such and do tut preclude proof or raoocnl- a manner aa not to otetroet-passage Uon of the mnmslty of hisber standard* ways or oorrtdan used as ways of wraaa. for amplayment situation* of extraor No chair* or easts, fixtures, ehutas, ma dinary haxard. Neither do tha standards terials, or equipment shall block or in expreseed to this Part to-304 of this any way jeopardise the uee of ways and chapter purport to describe all of the means provided for egress. All exit werkinr conditions which ara unsani tary or hasardous or dansaroua to the health and safety of nuplnyaw. Othar workin* condition* may be found to be unsanitary or haxardoua oodantarou* to the health and safety of amployaaa on idanoa to that effaet. or without such uldence, where such unsanitary or doors and windows used aa means of agraw to oaw of Ore or panto shall be ao arTsngod as always to be opened readily tram the inside. Locks on doors and windows. If pravtdad. shan not re quire tb* uee of a kay to open. (o> gxtt tints. All exits or mean* of acres* shall ba provided with a alga hav ing on It tha word 'fijar which thaU hasardous or danctrous charaotarictlo b* to tottors at toast five laches to height formance of tha contract.** This Part should b* apparent to a rational and and plainly indicate to parsons within 60-204 of this chapter expresses curtain prudent person of common axperienet. the building tha location of such erras*. 13812 RULES AND REGULATIONS Directional signs to the means of ttram should bo provided where ntc Bieary. - SrsnwsT* at Saw 50-204.9 Stair wMtk f imdi u4 height mt risen. I 50-104.19 Hatchway aad chela Reor. Every hatchway and chute floor open ing shall be guarded either by: <*> 'Hinged floor-opening cover of standard strength and construction equipped with ratling constructed in ac cordance with sections 80-30427 and (a) Runways, used exclusively for special purposes (such as oiling, shsfunx or filling tank cars). may have the rail ing on one side omitted where operating oondiUao* necessitate such amission, providing there is no falling hazard. . RAtZINCS AND apAXBS Thera shell ba no variation la the width ot tread* aad height ot rtaan la anr "Uht- Where variation la height* ot risen la different flights U necessary oa aceouat ot varying atocy halfhtt. aueh 00-20429 so as to leave no exposed side. When the opening 1* not In use the cover shall be closed. (b) A removable railing with toe boards on not more than two sides of the i 50-20427 Standard railing. A standard railing (hall consist of top rail. Intermediate rail and posts, having a vertical height of 42 inches from upper variation* (hall no* meed W* lash. All opening and permanent railings with toe surface of top rail to floor, platform, run treads (hall ba at least 10 laches wide. hoards on sU other exposed sides both way or ramp level. The top rail shall | 50-204.10 Subway Malatenaace. constructed In accordance with sections be smooth surfaced throughout the 60-30427 and 80-30429. This removable length of the railing. The Intermediate Every stairway or step thall bs main- railings shall be kept In place when the rail shall be approximately halfway be tainad la good repair, free from protrud . opening l* not tnus*. . tween the top rail and floor, platform, ing boh*, aerww*. nan*. dirt. or slippery <e> Where operating conditions nscee- runway or nunp. The ends of the rails sad no storage shall be per sttats the feeding of material into any shall not overhang the terminal poets mitted on stairway*. 150-204.11 TwJfc Treads shall bo renewed when the sur face. tastadlat the noting. shows wsar to the extent of V4 inch or more. All metal hatchway or chute opening from sU ddea. the gmudlng requirement* win bs saddled If ban, rtiatns. or other ade quate protection Is provided to prevent a person from falling through the opening. exoept where such overhang does not constitute a projection hazard. | 50-2042* Stair ratling. A stair railing shall be of construction similar to a standard railing but the treads (hah haw* a surface which will | 50-20420 Fleer keU. vertical height shall be not more than reeaooabtr prevent slipping. | 50-204.12 Stairway stillage and head* rail*. Every lUtht of stabs having four or more rl*an shall bo equipped with a stair railing or handrails constructed to con form to the requirement* of sections 60-2042* aad *0-20429 under the fol lowing eendltton*: (*> On stairway* ot width lass than 44 laches and having both tide* en closed--at least on* handrail on th* Every floor hols exoept those described In sections 10-304.17.10-30421.60-20429 shell bs guarded either by: (a) A raUisg constructed in conform- anee with the requirement in sections 60-30427 and 80-20429 erlth standard toe board on all exposed sides; or <b> A floor opening ooter, hinged in plto*. Whil* the com if open, floor holo* shell bo constantly attended by semsone or shall be protected by a port able endoeln* railing. 24 Inches nor Ins than SO Inches from upper surface of top rail to surface of tread in line with lao* of riser at forward edge of tread. (a) Intermediate rails shall not be required where stairways art 22 inches or less in width. | 50-20429 Strength mt standard retting aad eulr railing, Tti* strength of standard railings and stair railings under different types of construction Is specified as follows: right side rtssnsmting, ----- ..... OOitBore or.Orar-flmn Roots, Flai- (a) Wood telling: For wood railings, (b) on stairways of width bee than 44 inches and having one side open at least one stab railing that shall be on the open side. (o) On stabways of width less than 44 inches and haring both (ides open-- one stab railing oo each ride. isnXmviii 150-20421 OpmIM fleer end ptei- (a) Every open-tided floor shall be guarded by a railing constructed in ac cordance with sections 80-20427 and 80 the poets shall be of at least 2 Inch by 4 Inch stock spaced no* to exceed 8 feet; the top rails shall be of at least 2 Inch by 4 Inch stock or of two right angle piece* of at least 1 Inch by 4 Inch stock and tbs intermediate rails shall be of at least 2 Inch by 2 inch stock or of at least <d> On stairways of width 44 Inches 20429 on all open ddee 5 feet or more 1 Inch by 4 Inch stock. or more but leas than U Inches--one above the adjacent floor or ground level, <b> Pipe railing: For pipe railings, the handrail on each enclosed side and one except where there 1* entrance to a ramp, poets and top rails shall be metal pipe stair railing on each open (Ida <e> On stabways II inches or more In width--one handrail'on each enclosed side, one stab railing on each open side and one Intermediate stab railing lo cated approximately midway of the width. (f) Winding stabs shall be equipped with a handrail so offset as to prevent waiting on any portions of tbs treads hsnng width lest than * Inches. stairway or fixed ladder. The railing shall be provided with a to* board wherever, beneath the open ddee, (1) Persons can pus, (2) There to moving machinery, or (3> There is equipment with which falling materials could create a baxard. (b> The Intermediate railing and toe board required by sectlona 60-20427 and 60-20429 may be omitted where ma terials have to be regularly passed over the edge of the floor (as in lumber stor of at least 1Vi Inches Inside diameter and the intermediate rails shall be metal pipe of at least 1 inch inside diameter. The spacing of posts shall not exceed t leet. (c) Structural matal railings: For structural metal railings, the poets end top rails shall be angle iron of at least 1V4 Inches by 11 j inch** by inch or other structural shape* of equivalent bending strength; and. the. intermediate rails shall be anti* Iron of at least lVi inches by lft Inches by Vi Inch or other Qouldeko or Fvooa Orxxnroe on age) . or where the railing 1* set back 12 structural shapes of equivalent bending FtooeBous inches or more from the edge strength. The spacing ot posts shall not ( 50-204.17 Subway leer epewlnji. (o) The entire railing may be tempo exoeed I feet. rarily removed from particular sections (d) Anchor post*: The anchoring of A railing constructed to oonform to the of open-sided floors where regular oper poets and framing of members for rail requirement* of sections 50-3042* and ating conditions make a permanent rail ings of all type* shall be of aueh con 50-20429 than be provided on ah exposed ing wholly Impracticable. struction that the completed structure sides of stairway Boor openings (exoept at entrance to stairway). Standard to* | 60-30425 (lunway gaartUng. shall be capable of withstanding a load of at least 200 pounds applied In any boards shall be provided also, except In Every,nmway shall be guarded by s direction at any point of the top tall. stair towore. i ^g-ujafS-iaaingiocestruoted ln';sooord*no*. with ft'* <` e') Too b` oard: A--toe tl somrd shall be (50-304.18 TsT44 erase7r . epeuimgs. seotions 80-30427 snd`10-40429 eh all "4 Inches In vertical height from top edge | fM( m more abort floor or to the level of the floor, iplatform, run Every ladderway floor opening hT| ground level. Wherever tools, machine way, or ramp. It shall be securely fas be guarded by a standard railing with parts or materials are likely to be used on tened In piece and with not more than Vi standard to* board on all exposed side*, the runway, a toe board shall also be inch clearance above floor level, it may except at entrance to opening. provided oo each exposed tide. be made ot any substantial material l either solid or with openings set ovtr 1 130-104.4* Falettagof weedea leddan. ) 50-204.64 Ftps and other Uag stack. inch in length. Wooden ladders shall not be paints Ftps and otbw long stock shall be Euntou as pahitmy oovers up defects. Ttnsurt stored in saltable racks or to 30-204.34 Beretor iaapeeti**. oil or oil stain shall be used instead. Berator Inspection bf * competent IK464J6 SteplaUm. prevent spreading or rolling. Fraieotlng sods shall b* protected by location, rail ings. or barriers. -I elevator inspection service or mainte nance contract on tn annual beiis will be acceptable as crldenee of satisfactory installation and maintenance. 30-204.35 Hoistway*. All hoistway openings at the floor level to the elevator shall be protected by doors or sates either manually or me chanically operated, and interlocked with the elevator control so that it is impossible to start the elevator until the door or sate la locked in the closed posi tion, and also so that it is Impossible to open the door or gate when the car la not at the landing. { 50--204.36 Under car safely device. All elevators other than hydraulic ele vator* shall be equipped with an under car safety device operated by speed gov ernor control-that will hold tha elevator In case of cable failure or over speeding, | 50-204.37 Hatch limit control*. All types of elevator* shall be equipped with upper and lower travel limit de vices that will normally bring the ear to rest at either terminal, and a final limit switch that will prevent ths movement in either direction if opened by the ear as the result of excessive over travel In either direction. IutnaMnox { 50-201.42 Mlalmtuw rtandarri*. (a) Illumination shall be provided and distributed to all working anas as re quired Ln these regulation*. (b) Seeing tasks requiring discrimina tion of rm detail under condition* of fair contrast and when the nature of the work Is very erecting and prolonged shall be provided with a minimum of 100 foot-candles of Illumination. <c> Seeing tasks requiring discrimina tion of detail over prolonged periods of time and under condition* of moderate contrast thali be provided with a mini mum of SO foot-candle* of illumination. (d) Be ring task* requiring moderate All stepladdcn shall be provided with an automatic locking devlot or spreader of not more then 40 decree* to hold the front and back sections in open position. | 50-204.51 Fixed ladders. | 50-204.65 Raaardou* chemical*. Hasaidous chemical* shall be distinc tively marked to indicate their nature and stored ln containers or locations suitable to the material. (a) Rest platforms: It fixed ladders are used to aseand to heights aroaadlng 30 feet, a landing or rest platform shall be provided for each 30 feet or fraction thereof unleu the ladder is provided with safety cages. (b) Rails: Roils.of fixed ladders to lsndlngs shall extend a distance of at least 3 feet above the landing. <e> Rungs: Tht rungs may be omitted above tha landing. When an employee must step a graater distance than 14 Inches from the ladder to roof, tank, hoist, etc- a landing shall'be provided. <d> Ou*rd rant: An flxad ladder landings shall be equipped with a stand ard guard rail and to* boards, so ar ranged as to gtva ths safest pomfhta ac cess to the ladder. Such platforms shall not be less than 34 Inches,in width. Aisi.es ssra PsassoswaTa | 30-404.66 Caw* in cylinder*. (a) Cylinder* shall be supported In an upright position so as to prevent them from falling or rolling. (b) Cylinders shall be kept away from excessive heat, such as the direct ray* of the sun. <e> Cylinders shall be stored away from. comburtlbU xtuiteriAli* <d> tapty cylinders shall be plainly markad "MPTT," and the vahrae shall be dosed. Tba empty cylinder* shall be segregated from the full cylinder* and returned to the supplier as soon as practicable. (a) Valve covert shall be kept ln place at all Ume* when the cylinder is not ln use. Ouraooa Sroasoz 130-404.71 Aisle spaeteg. Aisles shall be maintained between | S0-204.S4 Maintewanc*. piles, between buildings, end between Permanent aisle* and passageway* shall ha kept elsar and in good repair, with no abstraction* across or tn aisle* that might causa tripping. Where, due to lack of proper Identification, aisles and passageways are likely to beeoena pUae and ths boundary of the storage site. Aistae shall be wide so as to reduce the danger ef spread of fire from pile to pita and to permit reedy aocees for fire fighting or emergency removal of malarial. hatardoo*. they shall be etaarty defined 130-404.72 Heewkccpiee. by painted Unas, curbings, methods of marking. .. . or other ',4* -...The entire storage site shall be kept free from unneoewary of | SO-204J7 jU*b'M'ha.Y^ eombueUbta materials. Weed* and grow Where industrial track* aremeustothary use, one-way traffic *1*1** shall be at least 2 feet wider than the widest Vahid*. shall 1be<kept down.and .the -d**n;*Ssg:*cy-^ :* 50^404.73 Drainage. " area kept Two-way aisles shall be at least 3 feat Proper drainage shall be provided. wider than twice the width of the wldeet vehicle. | 30-404.74 Qeoranm alga*. Mtntui Stosmc Clearance signs to warn of clearance limits shall be provided. | 50-204.62 Height. (30-404.73 Dtrail and.tatmper Uwfc*. discrimination of detail over intermit tent period* of Ume and under conditions of normal contrast shall be provided with <*> AD material in beg*, container*, or bundles, stored ln tiers. shaU bt stacked, blocked. Interlocked, and limited in Derail and bumper blocks shall be pro vided on spur tracks. a minimum of 30 foot-candlee of height so that it is stable, so that it is | 30-404.76 TreSe control sign*. Illumination. <ei Casual seeing tasks not involving discrimination of line detail shall be pro vided with a minimum of 10 foot-candlee of illumination. (f) Rough seeing tasks nof requir ing critical teeing shall be provided with a minimum of & foot-candles of Illumination secure against sliding or collapse. (b) Where automatic sprinkler pro tection is provided, clearance of at least IS Inches shall be maintained between the tops of material* and tht underside of lowest beams or other overhead structures. Where reliance Is placed an boo* streams, clearance of-atileast.3 Traffic control signs to warn pedes trian, vehicular, and railroad traffic shall be provided. 150-404.77 Open pits tank*, rats, dJtehct, etc. Covers or guard rails shall be provided to protect all ..open pits, tanks, vats. laiwxsg 50-204.47 Construction portable ladder*. and a*e ef feet, shall be maintained .between' the - dltehas,'^ta.- near which. people tops of pllss and the underside'of the regularly employed/5"' - -- lowest beams, girdar*. or other obstruc Pumxasli Uqtn* tn < Portable ladders shsll be substantially built, set level and well secured. tions which restrict the play of hose streams over the material. 3 50-201.32 Source* of Ignition. All source* of Ignition shall be pro S S0-204.4* Rail* of perlable ladder*. | 50-204.43 Small ankle*. hibited in arees where flammable Uqulds Rails of portable ladders shall always 8maD articles shall be stored In eon- are stored, handled, and processed, project at least three feet above work talners suitable to tht material, such as Suitable warning end "No Smoking" ing level and shall be of sound material. small cans or trays that can be stacked. signs shall be potted in all such areas. | 50-20445 VtgeUtlee nmevel. The tnu where flammshle liquids materials shall be kept tightly closed when not In actual use. Tax FursKnoK | 50-204.113 EquipmenI general. are stand, handled. or ptoansrrl shall | 50-204.9* Storage location*. ' Fixe flghting equipment suitable to be left clear of rubbish. bruit long ptn, or other combustible material st all times. | 50-204.54 Heweekeeplag. Accumulating* of flammable liquids on floors, wall*, and other surfaces, arapro. hiblted. AH spills at flammahle liquids Sealed containers of points, varalahat, lacquers, thinness, and other flammable point materials, shall bo kept m a well* ventilated location, freo from excretive heat, smoke, sparks, flame, or direct rays of the tun. - | 50-204.99 Storage at flammable point the conditions and hasards involved Hll be provided and maintained in an effective operating condition. A sys temstie Inspection of these devices is re quired. | 50--204.114 Firai-ald fire fighting extiagalahcn. general talcs. shall bs cleaned up immediately. material* In epenef container*. The following general rules shall be | SC-20445 Electrical Hgktlug. Flammable paint materials, when in Electrical Uchttnc shin bo tbo only means und for artificial illumination in. uni whom flammablo liquids, vapors.! fumes, dust, or. now an pnssnt. All I electrical equipment and installations. shall be of the explosion proof type. - rxooa of 10 gallon* and not ezeoedlng SO gallons, shall be stored In a ventilated stool cabinet, or a cabinet lined with ncooomhusUblo material. Containers shall bo kept tightly closed when not In use. ' applied to all types of first-aid Are ex tinguishers: (a) Persons who may have occasion to use any fire extinguisher shall have knowledge of the proper way to use the dtvioa effectively. tit) The Instructions of the manufac turer at the extinguisher as to charging, f $0-2044* Vewtflstiow. | 50-204.100 Painl-rifed clolkiag end maintenance and operations shall be drop doth. followed exactly. AH extinguishers shall V ' I u. . AO bufldtngs, noma and compartmenu when flammable liquids an storod. promasid. or uaad than bo prep trly nntOatad to promt accumulation- cfUammebJe fapon.gSfi&rjt'j.j Paint-ooOod clothing and drop cloths, *9imtnr1 at least once when not in use, shall be stetwd la well- pasltively that -ventilatad sittl cabinets. , - operating condition. 2VV?S*ataSit8>n ^ A-<> >Frequent inspections a year to dethey are in shall bomade SL2f22S*;3mti**aotuUh,t* *** ta| 50-40447j^Barifaro'-storage. * trPairtilesrapings snd'Wnt'aeturaCed. >ttT designated plaose, are readily ac- . xa bufkflnes^shopsTorroams 'whan, debris shall be .removed from tha prom flammable liquids an handled or atorod. -i ises dally. 'ysfflgf&st.?''' 'a seU-okxdng matal nfnao can ahaO bo provided aad maintained 1b food condi tion. 150-204.182 Ventnatiew at karmfal ebsiaiMea. . BtosfTili.have not been damaged or tam pered with, and that noctlas are not dogged. 150-204.115 Oaelflealien at nil*. gateben. | S0-t04.lt Opm Ism derive* peaklkitod. Opoa flame beating dorian shall not b* used in areas when flammable liquids arrrryint, (50-20449 Bdh( aad groeadlB* Btorase tanks and systems" shall bo electrically bonded and grounded, | 50-204.40 Relief xmu. . Storage tanks shall bo equipped with proper relief rests. Tank rests shall not ba. located_ dose to opts flames, stacks, beating apparatus. or aay other aouroe at Ignition. Test screens shall not be painted. . | 50-204.41 Sunn la eebrr thaa Ssm- --Me Haraga bwlMtog*. A rontSated steel cabinet or a cabinet lined with DoooambQftlbia material shaft bo provided for tho storage of more than a total at 10 gallons of flammable liquids in buHdingx and for other then storage. Rot more than a total of 80 railoos shall bo stond in any one cabinet, nor shall any Individual con tainer exceed 8 gallon capacity in such a cabinet. Containers must ba at matal and kept tightly aloaed- Stonge in Veatflattm adequate to redact the concentration at harmful nahttanres in the atmosphere than be provided, as referred to la section 80-30446. listed below are varioua classes of fixes and the extinguishing equipment which shall be maintained appurtenant to the various materials identified. | 50-204.103 Tvntllstlen ef ImmMi ..Taper*. ' . Tentflation adequate to prevent the scrumulattoo of flammahla vapom to hasardoas levels of oonoentratien shaS ba providad la all aiwas where spray painting, dipping or similar <e> Class "A~ Ftru. Fires In ordinary oombuetibia materials where tbs quench ing and eoollng effects at quantities of water or solutions oontalnlng large peroentaga at water era of first importance. Required extinguishing equipment--soda and add. pump tank extinguishers or water barrel* and buckets. are performed. x; . | S0-3O.10Kf3MkivVor apm% v. ;,<b> Class "B" Ftru. Fixes In flam mable liquids, mesas, and similar mate prohibited. No snaking, opes flams, exposed flame heating elements, or other sources at ignition of any Und ahaQ ba per mitted in areas or rooms where spray painting, paint dipping or similar proc esses are done. .. . rials. where blanketing effect is essential. Required extinguishing equipment-- foam. carbon tetrachloride, COh dry powder type extinguishers, or sand buekats aad scoops. Carbon tetra chloride extinsulshera ahaQ not ba used In a confined area. <o> Clots "C* Fire*. Fire In electrical | 5O-2O4.105\MEIe<trieaI eqwlpmewt. ` When sieetrle lights, switches, or alectrtcal equipment are neoowary where In door spray painting, paint dipping or similar processes are performed, they shall be of the explosion-proof type. equipment where the uee of nonconduct ing extinguishing agent tt of first Importance. Required extinguishing equipment--CO,, or dry powder pres sure-type extinguishera. Psmstntc Vessels | 50-104.104 Electric meter*. 150-204.120 Boiler*. drums at aver to gelions of flammable liquids shall be outside the work room. S 50-204.92 Safety eenutners. Handling of all flammable liquids by hand containers shall be In approved Electric motors driving exhaust fans shall not be placed inside booths or ducts exhausting flammable materials. ( 50-204.107 Eneloaawe driving hells. Boiler Inspection and approval on an annual basis by a recognized boiler In spection service will ba acceptable evi dence of satisfactory Installation and maintenance. type safety containers substantially con Belts shall not enter duet or booth ex | 50-204.121 Steam cookers, digester, structed to avoid the danger of leakage hausting flammable materials unless belt glee you, ete. and designed to minimise the likelihood and puller within ths duct or booth are All pressure vessels to which steam 1* of spilling. thoroughly enclosed. supplied from an outside aouroe shall be Penns mb Panrmo | Sii-204.97 Storage f paints, *ralli 150-204.10* Storage at romkeatlkle ad flammable eksalag auterials. designed for the maximum line pleasure to which the vessel win be subjected. On such vessels it la required that, in es, lacqwen, thiaaera, etc. Combustible and flammable addition to the naoaatary pressure re Packages containing paints. Tarnishes, lacquers, thinner*. or other volatile materials at the establishment shall be stored In tightly closed metal containers. ducing valve, a safety valve be Installed on tbe veeeel Itself or on the line between <w, irC'Jfc. 'Wjvr Wedtcsday, December 28,1980 FKOUAL KKGICTtt 13813 It and the proasur* redueer. There shall be no mean* of cutting off or hypasrtng thU safety valve. InerwtVin and ade quate maintenance at the vernal. ioehd- mg tegular totting of the safety valve, equal to eight diameters of the cable, or . | tO-IN.in Pnuulow te whir when the wim on the down of the strand aaOr#Ce (UwwKorT,n,ndowwn ton-it_lat_rB_n W.thean.M :-fc. ill-*M0 me#et employee*Mlato" wthHewtmwmaehfdtWi- <dl Cm* hotel *n*u* arc BUfiditoqr. hrttdtod aadh taewtsci | 50-20-1.122 Uaflrvd rnwin nMk interval*. " a) Air reeeivm shall be ao Installed that all drains, haMhnlaa. and manhole* therein art saaily aeoeaffbla. b' Air reeeivm shall be supported a-lth sufficient clearance to penult a com plete external Inspection and to avoid corrosion of external surfaces. e> Under no circumstances shall air receiver* be burled underground or lo cated in an tnaooelble place. - td> The (ootlrer than be located as close to the oompranor or afterooolcr as is possible to keep the dlsebargt short. (a) The teoalvar shall be loeated-ln a cool place to facilitate the condensation Vnmumow aw Bsowcriow asm Cottsm ., , . | X4-204.1S5 WeMtog ami cmtfeg to Wlnoe the Inert-gas metal-era welding moms tnvulves the prodootioaof ultra- lotet radiation of intmisltlm flyt to Itor the purpose of this section a eon- thirty times that prodnoed during space "n wvwn- . . shielded metal-are welding, the deoom- ta> A tr*** of Vms thn ic.000 coble - Position of chlorinated aotventa by ultra- . feet per welder, or ^ **>K---n*-;?,vtolet>ii,'.aad'the liberation-of tmdo <b> A space having an overhead helghttefnam end gasaa.`nployem shall not be of lam than II feet, or , .. .--^^pennltted to engage In. or be sxpoead to (c> A space in which there are strue^ -the praoem unices: tural barriers to the extent that they. - (a)-The am of chlorinated' solvent* .ly-HWmW Stbn gross wnfflstw, 1* kept at IgBSt 200 f*Ct from th* XP0S*d ISe-WLlU Ye-IUllc of moisture and oU sapor*. Toots m Zwnrtun | 50-204.127 Matouwtwee. tied " ' qnatety (permitted on e^ surfapa.'rg^ Each employer shall ba respoosibla for the safe eondmoo of the tools uaad by his employees, whether furnished by him or by them, and bt sure that such tools arc suited by safe design and construction for the work to be dons. vent the accumulation of toxto _ posefhle oxyien deddency;art-airj , Wo)iFwfidWiftSothiOT^^ plied rmpirmton approved by Vbd'-UM.: welders tad other* within'th* ar**.t-\\ . *J Burma of ICnm shall be provided to the poaad to-radlation-ao ihettba mm to " * welder and tO other personnel tax the Immediate nebilty. eoemwd completely to pmwt bums gad ottMr damage by ultraviolet rays; shirts | 50--201.121 PartaUe elcvtrk power | S0-204.1S7 Kedumkal vrotOrtW worn are dark in oolor to reduce raflao- looU. (s' Electric power tools showing worn, deteriorated or Inadequate insulation, split or chipped plug*, worn or bent plug*, terminals, defective switch, shall be repaired. <b> Portable electric power tools shall be -Securely grounded to maintain at all times an eSecus* ground on the non current carrying parts of the tools. $ 50-204.129 PartaUe poraaullc tools. <' Tha operating trigger on portable Mechanical ventilation shall oorwltt of cither general ventilation systsms or lo cal exhaust systems. <a> Oeoeral ventilation shall be at th* minimum rate of 2.000 eubie feet per minute per welder. (by Loeal exhaust shall consist of freely movable hoods Intended to be plaoad by tba welder as near as pcaottcable to the work being welded and pro vided with a rate of air flow sufficient to maintain a velocity in th* direction of th* hood of 100 linear lest par minute in - h^ m th* faoe tram underneath ** hslmct; expowd cotton clothing le cov ered stem it disintegrates rapidly when exposed to high tntensttlm of ultraviolet rays: welding helmets and head shields are free of leaks and openings, and free of highly reflective surfaces. <d> Local exhaust ventilation or sup plied air respirators are provided in an came when doing inert-gas metal-aro welding of stainless steal to protect against dangerous concentrations of nitrogen dioxide. hand-operated pneumatic equipment th* sons of welding when th* hood it at |S-J04.141 Csasral walAag ad cat- shall be so located as to mtntmira tha its moat remote distance from the point - Os*.. possibility of accidental operation and shall be arranged to eloee the air Inlet ralre automatically when the pressure of the operator's hand U removed. (b) a tool retainer than be Installed on each piece of pacumatlo equipment which, without such a retainer, may eject the tooL ie> No tool change or work other than regular operations shall ba tnada or dona on any piece of portable hand-operated of T/clding. Welding and cutting not involving | 5(5-204,15* Vslilss sad cwttlwg la- conditions or materials described in mo reiving aiXili sf losic signifies***, tions *0-204455 and 10-204421 may (a> Waiding and cutting Involving the foUawtng metals whether or not In con fined spaoae or In other mrinmil, spacm . shall ba done In aooordanea with the pro vision* of sections 204.15* and 244.127.' <1) fline-beertng base of filler metals or metals coated with zinc-bearing ma normally be done without special pre cautions. but where, became of unuaual physical or atmoepherto conditions, a harmful accumulation of eootmninants would exist, mechanical ventilation or suitable respiratory protective equipment shall be provided..-. < pneumatic equipment unlem the stop terials. . .- . . w. * * - JXscnicsi twtsiisnow m Euuirscm'f ralre in the air Una supplying that equip ment is closed. (2) Lead barn metals. > - ' *- | 50-204.142' Electrict KwufUti-- mod (S> Cadmlum-beartng filler materials, aqalpmeaU I 50--204.150 CaU, ropes end eKales. (b) Welding or cutting involving the following metals In confined spaom shall Beetrleal conductors and equipment (a) Chains, ropes, cables, hooks, rings, tUngs. and other dencas and accessories used for hoisting and lifting not ba subjected to greater working lodi then ' be done using local exhaust vsntflatton or alr-Una raapiraton. approvesdd(ibyyt-tthhef. UA. Burma within or on buildings and other, premia** and the ocndaotoca that ecolencntericcti't,yth;aenidnfsottahlleartioountstiodeao- sounpdpuleytoor*f :-^Lr- recommended by their manufacturers. They shall be frequently Inspected and V * * * - -- imparity, or metals eostod euh '.t^oujo mBintimoutSm lroeqSuiTremTeHntSs of Ethdeitlieoan-, shall be renewed when inpection reveals unsafe conditions. (2> Cadmium-bearing or oadmlum-, MttWwl ^ -ot.cuoa coated baa* metals. .* - v'Otf y ' <b> Bolts or nails shall not be used (5) Metals ooated with meroury-btar- to connect, splice, or shorton chains tng metals. Including palnto. Knots shall not be Ued In the chain. -14) BarytUum-oontalnlng <c> A hoist cahlt shall be considered metals. Because -of its hlghCtaxieitr;' _ unsafe aDd shall be replaced when upon work involving beryllium than be dam FiywhMls located so that any part It Inspection 10 percent or more of the total with both local exhaust ventilation and .7 feetorlam above floor or platform shan 'J number of wires are broken in a length air-line rvapirator*. - .. &-,V&yd>''b* guarded In on* of th* following way*: 1 1381C suits AND SEGUIATIONS la) With aa enclosure of sheet, perf aldae of tba trough (ball extend at least <e) Horizontal overhead belta more orated. or expanded metal. or woven 3 ache* bayaod the shafting or prota- than 7 foat above floor or platform n*n ) wire. Bor --ndaide,-- eectiou K- baraaet. Bar requirement* regarding ba guarded for thair entire length under 384.179 aad.lMMJIKM49; * material* and oooattnetloD. aaa section*- -the following.conditions: K-jv..(b> with, fund raflrpkeed not 1m 88-30U73 and 80-30448i.'!^^.:^;*v..*''<l>*ir. Mated over passageways or taka 18 tnehoo aor men than SO tnchu 1 c-idto, w s* j"sg[ < ?5,-fram rim.': When flywheel extends into alt ar It withta 12 taolMi ot toot, a " * (3) If center to center distance Bor standards. aee aoettoa 80-304488. (e> An adjustable guard to be uaed for ^rtirf tba aagma or for running ad - juctment may ba provided at tba fly or mi iron flo*oreUoro*voSrxioWr piA1tfofMm*( excepting mainusance runwayx, (ban bo enclosed with a ttetlonary rating la acoordaneewith requirement* of eeeUoni 1 puUsy* U 10 feat or more. (3) If twit Is I Inches or mora In width. Bor detail of guard construction and for tines of material see section 80-304.183 aad table following section 80-204.184. wheel of ca* or oil angtnaa A *W 68-304479 and 80-204.181. (d) Where the upper and lower runs opening for. tba lack bar win* be permitted. .;-< ~ " (d) Wherever flywheel* are above working area*, guard* shall ba Installed having sufficient strength to bold tba weight of tba flywheel in tba event of a shaft or wheel mounting failure. | 50-204.154 Cnab aad cenaectiag red*. Cranks and connecting rods, wbco ex posed to oontaet. (ball be guarded In aooordanee with eeettoas 80-204.17* and 50-304.1*0 or by a zuard rail a* described in section 60-304.188. . - 150-204.155 Tall ted* ar ceieailea : Tall rods or extension piston rod* shall ba guarded la aooordanee with sections 80-304.17* aad 80-304481 or by a guard ran on tides aad end.-wlth a elaaraaea *'>i&~.ef not teas than.IS nor.more than.30 1 inches whan rod b fuHywxteaded. | W40UM Bmjcetiag shaft tala. of hortaontal belts. are so located that pe--I* of persons between them would (a) Projecting'shaft aada abaQ pre- ba poaalble. the passage shall ba either: acat a snootb adga aad cad and (ball . (1) Completely barred by a guard ran not project more than oee-haif tba di or other barrier In accordance wttb sec ameter of tba abaft ualeac guarded by tions 80-304.179 and 50-304.181, or aooroutlag eapa or aafety alcaraa <3> Where passage la regarded as nec (b) Unused key-way* abaQ ba filled --ary. there shall be a platform over the op or eovemd. lower run guarded on cither tide by a | U484.K1 PwtMnamila rata* tecsml ia baactaoiU. AH nvyhanleal power tranimluinn appaxmtaa located la boatment*. tower*, and zooms uaed exclusively for power tranamlaalnn equipment shall ba guarded railing completely filled in with wire maab or other filler, or by a solid barrier. H upper run shall be ao guarded aa to prevent oontaet therewith either by the worker or by objects carried by Mm in power plants, only the lower run of the haltnaad be guarded. la aeeordaaea wttb tbeaa standards, ex cept! that tba requirement* for safe guarding baba, .pulleys, aad shafting f 80-304.104 Overhead ehala aad liak Ml drive*. may ba omitted; lf< th* following ,000- Overhead chain and link halt drives dittos** ars mct:&*,' are governed fay the same rule* aa over- -j-UKHj* ba--neut. tower/or mom oe*> bead `.hortaontal belta and shall ba eupted*by.ttransffltartomeqummsnt-ls-'*guarded-in tha aama manner aa belts locked-agalnatlnnanthortaadtentrepot,jj-teaetton 60-204463). .. . "r'| 80-204.1S&Ci5Er}i^""1 aad inclined .Oovernor'balls 8 fasTorfiss from floor or otharvrarttog?level, whan expoaed to oontaet than ba provided with an enclosure extending to the top of the governors befls wbo at thair highest .position. The material ueed in the oon- stmetion of thb enclosure shall oonform to sections *0-304.17* and 50-304.111. mletion beams; eefflng. or-anrotbm;ob-'^2^^ r.jeete. b not tea than 6 fast f tnefaeaW' (a) Vertical and Inclined belta shall be . <e) .Tha footing b dry, firm. and IsvaL snrlnasrt by a guard conforming to <d) Tba note followed by. the Oder is standards in sections 80-304.17* and pm--roatj*e4--cted m such manner aa to prevent 60-304.181. (b) AS guards for Inclined belta shall 150-304.183 Bailey*. be arranged in such a manner that a minimum clearance of 7 fact la main | 80-204.187 Shaftiag iMUtUflea. Any parte of which are 7 feet or lea* tained between belt and floor at any (a) Seeb oontinuous line of shafting shall be secured In a position against exeeanre end-wise movement. (b) Inclined and vertical shafts, par ticularly inclined idler shaft*, shall be from the floor or working platform shall be guarded In aooordanee with the stand ards specified under section 80-204.17* and 50-304.1S1. Pulleys serving as balanee wheels (e.*- punch pres--) on point outside of guard. 150-204.166 Vertical belts. Vertical belta running over a lower pulley more than 7 feet-above floor or securely held In position against endwise which the point of contact between belt platform shall be guarded at the bottom thrust. aad pullor U more than 8 feet 8 inches m the same manner as horizontal over (80-204.158 Ceardiag keriasatel thafu from the floor or platform may be guarded with a disk covering the spokes. head belts, if condition* are such as stated in section 60-304.183(0 (1), (2). ***' - .... ?*~-'(a) Alltcxpoaad-parurof borbontal shafting 7 fast or V-- from floor or work- . See section 60-30*4..1*0. (50-304.165 Herisoatalbelts,rape*aad' <S> ` g80-204.167 Conc-psfley belted mg platforms excepting. runways used dull drive*. (a) The cone belt and pulley shall be exclusively for oiling, or running adjust (a) When both runs of horizontal belts equipped with a belt shifter to con ments. shall be protested by a stationary are 7 leet or 1-- from the floor level, the structed as to guard adequately the nip- rasing mrlosing shafting oompletely or guard than extend to at least fifteen point of the belt and pulley. If the try a trough sndostng tides and top or inches above the belt or to a standard frame of the belt shifter does not ade sides and bottom of shafting a* location height (*ee table, section 80-304481) ex quately guard the nlp-polnt of the belt require*. cept that where both runs of a hori and pulley, the nlp-polnt shall be fur (b) Wherever shafting extend* over a zontal belt ar* 42 Inches or leu from the ther protected by means ot a vertical driveway. It shall be protected as stated floor, the belt shall be fully enclosed guard placed In front of the pulley and above unless it is located 15 feet or more In accordance with sections 60-304479 extending et least to the top of the above driveway. and 60-204481. In power plants or largest step of the cone. tc> Shafting under bench machines power-development rooms, a guard rail (b) If the belt Is of the endleu type or shall be enclosed by a stationary easing, may b* uaed in lieu of the requirement laced with rawhide laces, and a belt or by a trough at sides and top or sides in section 60-304463. shifter Is not desired, the nlp-polnt of and bottom, as location requires. The (b> Overhead horizontal belts, with the belt pulley shall be protected by a sides of the trough shall 00m* within at lower part 7 feet or leu from the floor or nlp-polnt guard located in front ot the least 8 Inches of the underside of table, platform, shall be guarded on (idee and oone extending at least to the top ot the or if shafting Is located near floor, with bottom in accordance with section 50 largest step ot the cone, and formed in 4 inches of floor. In every case the 304483. to show the contour of the cone In order Wednesday, December 28, 1980 FEOERAL REGISTER 13817 to give the nip-point of the bolt and covered with aafsty sleeves or where they 13 square feet, additional frame mem- puller th mr4miim protection. are need parallel with the shafting aad ben shan be provided to rn.tnt.in panel (c) IX the eons t* located leas than are oounteisuuk or els* do not extend area within this limit. 3 feet from Um floor or waxtiny plat beyond the flange of the coupling. (8) An Joints of framework shall be form. the code puller aad bait ahaQ be guarded to a height oX 5 leet rtgardUm or whether the belt 1< eodleea or laeed Oasis ariseswe rat Menuwest Powm iksKssamros made equivalent In stmgth to the ma terial of the frame. with rawhide. 150-204.179 Material*. 150-204.180 Disk, ihleU, end HIT 50-204.168 Ccan. <a> Standard ooodltlons win be se guard*. ears shall be guarded In accordance with one oX the following (pacifications: <a> A complete enclosure. <b> A standard guard as described fat section 204481 at test 7 feet high ax- tending 8 inches abort the mesh point of the gears. `, (e> By a band guard oorertng the Xaoe of the gear and haring flanges extended inward beyond the root ot the teeth on the exposed side or sides. Where any portion of the train of grate guarded by a band guard Is leas than 8 feet from the floors disk guard or a complete eneloran to the height of I feet shall ba required. | SO-204.169 Sprocket* aad chains. All sprocket wheels and chains shall be enclosed unless mere than T fast above the floor or platform. Where the drive extends over ether marhfaies -or cured br ibe use of the following ma (a) Disk guard: A disk gwrd h* terials: expanded metal, perforated or consist of a aheet-mstal disk not lam aotld metal or wire mesh on a frame of than Mo. 33 gauge fastened by "XT' bolts asgla faun or Iron pipe securely fastened or rivets to spokes of pollen, flywheels, to floor or to frame of machine (aw sec or gears. Where possibility of contact tion SO-304481).-*^*. with sharp edge*.of the.disk exist*.,the (1) AH metal shall be free'fromberrs^ edge'shaUibernlled or)iwired.<In-all`o'*' aad sharp edge*.''*- ..-** %** - - ? cases the nuts than be provided with lock ' (3> true mash shah be of the type la note which shall be plaoed on the unex- which the wires an eecanlr fastened at poaed tide of the wheel. . . every erase point.elthar.br' welding, . -.<b) Shield guards. soldering, or galvanising. except ta eaae - (D A shield guard shall eonsist of a of dlamood or square win meah made of frameflPed in with wire eaeeh.erpen^ Mb. 14 gauge wire, % inch mash-or perforated, or solid sheet metal. heavier. . ., (b> Design of guards: ..*' (3)' If ana of shield dots not *~*t square feet the wire meeh or b1U1eoml((nt13sss)),som,WCr aghbhkteusoearrdaerasdmdIssjtoth.Mmvtaoatlamlbnbnleeeeihno.d.atesesvsseoiagyrrnhyaempdtopgtloyec.dhaosfaQsnnsgeoeert^yxSi1-::rim'*f<ft:e*et(t:3tq*oa)*uld*l*Mmvr>aasanttorga"nllbeHtse,bh*dtrtlsraareionsdndt.seo.gnrmt%emhad;.yety.n"tt^hhaaialthasvcx^eof;rnexfasdtmvtgrIeeun's'wcc:ethroino^rkn:./, \ rf > *- working areas, protection against fan* lng shall be provided. to Interfere with the usual machine op erations, but give the maximum gratae* Uon to the operator. - tirely railed around a ft famh eohd iron rod. An material of shield guard ahan | 50-204.170 Opeahigs far edlag. (a) Methods of manufacture When frequent oiling oust be made,. WMrmatertal shan'be.w-- openings with hinged or sUdfatg sstf- metai. sheet lar^pcrfocatodl.aetal.^ closing corns shall be provided. AO . wire mesh andibe^eecuretyifattaoed' point* not readily loreerfhl* ahaQ have frame. oil feed tubes If lubricant Is to be added ; v "<I) By wsMfnsJw -frame while machinery is to motion. .. tnehaa. toy wearing through'eheimai or | 50-204.171 Frieda* drives. angle frame, or If Mo. 14 gauge ft toed mash or baaviar to used, by bandtag an* (s) The driving point at en friction Uraly around rad frames. drives when exposed to contact shell be ( Whan in plpa railing guarded. are to be fiQad tn with expended metal, (b) AD atm or spoke friction drives and wire or sheet metal, the filler material all web friction drives with holes In the shan be made into panel* with raOad web ihsn bt entirely enclosed. edges or bound with "V" or "U" edging tan than ba dastgaed tooover the under'7 jnrfaosand loweredge of a belt, multiple'-^--, eham.nar;zopo(drtve.$xt!shanibe:eon- --"trfructod:of 'materials .'sweifled -a-table ' ' of section 10-304431 and shan conform to the raqulraments of eeetlone lo304.10 and 80-3044M. Bdgos shall be smooth, and tt site of guard requires, thee* edge* shall be relnforoed by rolling, wiring, or by bindinr with angle or flat Iran. <c) All projecting bolts on friction of Mo. 34 gaugo or heavier sheet metal | 50-304.181 Approved at*Uriel*. drive* where exposed to contact shall be fastened to the panels with bolts or rivets guarded. . SpftBtd Dot snort ft ioclMt fcf* i 50-204.172 Key*. Ml arm,*. and other projection*. All projecting keys, set screws and other projections In revolving parts shall be removed or mads flush or guarded by metal coven. This doe* not apply to to oentsr. Tbs bound panels shan be fastened to the railing by sheet-metal clip* spaoed not more than Inches ocottf to eeaur. <4> Where the design of guards re quire* filled material of greater area than (a> Minimum Requirements. The materials and dimension* ^ this section shall apply to an guards **- eopt hortsonal overhead belts, rope, cable or chain guards mors than T feet above floor, or platform. (Bor the Utter, aee table following section 80-304.104.) keys or m screws within gear or sprocket Thu a* InnAii Mitimu mi Dintxflaoxf casings or other enclosures, nor to keys, set screws, or oil cope tn bubs of pulleys leas than twenty Inches in diameter where they are within the plane of the fiM part i haptoteu UffPM nekr (UAhumi1. pwlie lhw*li rim of the pulley. S 50-204.173 Caller*. All revolving ooQars. Including split collar*, shall be cylindrical, and screws or bolts used In collars shall not project beyond the largest periphery of tbs collar. S 50-204.174 Coapllag*. (a) Shaft oouplings shall bs so con U*4n r____ Wrrrm win.. UMirr^ r'li*...., KziaeUrS arul................... f-ir*___ hrftnM Mint-,,,----.-- rU-iir*.r.r.M. -- Wea *r w*ul Mrtp Wtotafd-... UaSar <*_ r>-ir*.... E N.n rUwmm*J Re._l_l_____ structed as to present no hasard from bolts, nuts, set screws, or revolving sur- Wtowl m mHtl ttrtjb Cb) Bolts, nuts, and act screws win. U. however, be permitted where they an ertoiml CStr!-fKts.ir_ U'vwtk-------- SaKL" reutli--------- - WUm2d N*. }ftM tuWtori tor lUflbifl* Awrlbn WUM. Ha. 361--Pvt n-------3 ' 13818 RULES AND REGULATIONS (t Framework: belt end follow the line of the pulley to of the pulleys which the guard encloses i l > Minimum dimension! of material the celling or be carried to the nearest thus forming a trough. These side niler for the framework of all guards except wall, thus enclosing the belt effectively. members shall be reinforced on the edges u noted In subparagraph (f) of this Where belts an so located as to maks It with IK Inch x Y* inch fiat steel, riveted paragraph (hall be angla Iron 1 Inch x t Impracticable to carry the guard to wall to the filling material at not greater than ineh x H Inch, metal pipe of % lneb in* or celling, construction of the guard g inch centers; the reinforcing strip shall aide diameter or metal construction of shall be such as to enclose completely the be fastened or bolted to all guard sup equivalent strength. top and bottom runs of belt snd the fees porting members with st least one K il> All cuards shall be rigidly braced of pulleys. See section 60-204.133 (b) Inch rivet or bolt st each Intersection, every 3 feet or fractional part of their snd (c). and the ends shall be secured to the cell hrijht to tome fixed part of machinery ib> Hie guard snd all its supporting ing with lag screws or bolts. The fining or bulldine (truetore. Where cuaxd 1* members shall bs securely fastened to materials shall be fastened to the frame exposed to contact with moving equip* wall or celling by gimlet*point lag screws work of the guard and the filler supports meat additional ctrencth la necessary. or through bolts. In ossa of masonry by ft* inch rivets spaced on 4 Inch cen . (3) The framework for all guards construction, expansion bolts shall be ters. The width of the multiple drive fastened to floor or working platform used. (ball be determined by measuring the and without othar support or bracing ic) Suitable reinforcement shall be distance from the outside of the first to shall consist of life lneb x 1% inch x K provided for the celling rafters or over the outride of the last rope or eh*m m Inch antis iron, metal pips or IK lneb head floor beams, when such is neces the group accommodated by the pulley. inside diameter or metal construction of equivalent strength. All rectantular sary, to sustain safely the weight and stress likely to be Imposed by the guard. | 50-204.135 Guard rails and toe boards. tusrds shall havt at least 4 upright The interior surface of aU guards, by (a) Guard mis shall be 42 Inches In frame members each of which shall bs which is meant the surface of the guard height, with mid-rail between top rail carried to tbs floor and be securely with which a belt will come In contact, and floor. fastened thereto. shall be smooth and free from all pro <b) Poets shall be not more than s (4) Cylindrical guards shall have at jections of any character, exeept when feet apart; they are to be permanent and least 3 supporting, members carried to construction demands It; protruding substantial, smooth, snd free from pro floor. shallow round-head rivets may be used. truding nails, bolts, snd splinters. If (5) Guards thirty Inches or less In Overhead belt guards shall bs st least mads of pipe, the post shall be 1K Inches height and with a total surface not in one-quartor wldtr than the belt which Inside diameter, or larger. Xf made of excess of ten square feet may have a they protect, except that this clearance metal shapes or bars, their section shall framework of % Inch solid rod. % Inch need not in any case exceed 3 inches on be equal in strength to that of IK hr IK x % inch x K Inch angle or metal eon* each side. Overhead rope drive and by fo Inch angle iron, if made of wood, structlon of equivalent strength. The bloek and roller-chain-drive guards shall the posts shall be 2 x 4 inches or largtr. tilling material shall correspond to the be not lam than 3 Inches wider than the Tbs upper rail shall be 2 x 4 Inches or requirements of the table contained In drive on eech side. two 1x4 strips, on* st the top and ooe paragraph (a) of this taction. (c) The specifications given in para* graphs (a) and <b> of this section an the minimum requirements; when guards are exposed to unusual wtar, detarlera* Uon or impact, heavier material and construction shall bs usad to protect amply tgatnst the specific hazards Involved. In overhead rilgnt chain-drive guards whtre the chain is held from lateral displacement oa the sprockets, the side elseraves required on drives of 20 Inch centers or under shell not be lest then Y* tneh from the nearest moving chain partand on drfvm of over 20 inch centers a minimum of K Inch from the nearest storing ****** p*rt | SO--204.113 TMd guard*. fd) The teble following section M- <e> Wood guards may be used In the 204J34 gives stsm of materials to be woodworking and chemical Industries, in used snd general construction of guards industries wherv the pressnes of fumes for bolts 10 Inches or more In width. or where manufacturing conditions No materiel for overhead belt guards would cause tha rapid deterioration of should bs smaller than that specified In metal guards; also In construction work this table tor belt* 10 to 14 Inches wide, and in locations outdoors where extreme even If the belt Is less than 10 Inches in cold or extreme heat makes metal guards width. However. No. 20 gauge sheet and railings undesirable. In all other metal may be used as a filler on guards industries, wood guards will not be for belts lees than 10 Inches wide, Kg- silos ed. pended metal, because of the sharp at tbs ride of posts. Tha mid-rail than be 1 x 4 Inches or more. The rails (metal shapes, metal bars, or wood), shall bs on that ride of the posts which gins tbs best protection and support. Wbsrw panels are fitted with expanded metal or wire mesh es noted in table, action 204.111 the middle rails may be emitted. Whtre guard is exposed to contact with moving equipment, addi tional strength may be tiareasary. (e) The boards shall be 4 Inches or mors In height, of wood, mated. or of metal grill not exceeding 1 mesh. Uxscbjuikoto Machixx aoseemo 150-204.190 Lathe* sad automatic crew merhinea. (a) Chucks end face plates shall be free from projections, and dogs. If used, shall bt of tha safety typo only--circular <t>> Material and construction. edges, shall not be used as a filler in hori- in shape with no projections beyond ths (D Wood shall be sound, tough, and sontal belt guards. periphery. free from any loose knots. (s) For clearance between guards snd tb) Chip guards to catch flying, chips, tli Guards shall be made of planed belts, ropes or ehatns of various center particularly in the case of the hlth lumber not lets than one inch rough to center dimensions between the shafts, speeds used in the softer metals, shall be board measure and edges and corners see bottom of table following section provided. rounded off. 60-204.114. to) Rotating stock In turret lathes snd <3> Wood guards shall be securely fastened together with wood screws, hard wood dowel pine, bolts, or firsts. 150-204.1*4 Guards for Wiismul overhead rope snd chain drives. automatic screw machines shall be eomplstely enclosed In pips long enough to contain ths longest stock used. (4) While no definite dimensions are Overhead-rope and chain-drive guard (d> Suitable shields snd oil oatchert given under this heading for framework construction shall conform to section 50 shall be provided to prevent tllpperineii or filler materials, wood guards shall be 204.113 for overhead-belt guard eon- from oil thrown trom the automatic equal In strength and rigidity to metal structlon of similar width, exeept that crew machines. guards specified 304.111(a) (b)(0). In section SO*' tbs filler materials shall be of the aolid type as shown In table following section 150-204.191 Drill presses. (5) For construction of standard wood 50-304.1Sl(a) unless the fire hazard de (a) All projections on the rotating railing, see section 50-304.185. mands the use of open construction. A spindle snd as much as possible of the fi 50-204.133 Curds for horisontal rrrrrhaaif belts. (a) Guards for horizontal overhead belts shall run the entire length of the slds guard member of the same solid fill ing material shall be carried up in a vertical position 2 Inches above the level of the lower run of the rope or chain drive snd 2 Inches within the periphery spindle Itself should be guarded. tb) Splndla drive belts, when in rsnge of the operator's head or body, shall be guarded to protect ths operator from both contact and breakage. Wednetdaf/, December 23, 1969 FEDERAL REGISIR 13819 Oci*e Rni > Bentnu Omuu Bum, Batat, in Cum r tar M Uni Aaovs hiNNiunoa (b) OtntrtI rogodrmontt for point of operation* tnurdlna. krarypaint of op H<nk OfffWUir Width OvwiruST OvwST kUlwNJ eration guarding devloe shall be staple and railshle in eonstraction. and adjustment, it ehall be pertnanaatlF attached to the pram or the die. rruttieirlubdt*vwtmUkM Fltetupportx.. Guard Hippwu.. * *.__--, rt'ixrHien'--r--.,, 1" * (" Hal ha*. Ha. u A.W.O.__ r t M* Bat h*..[ NaUt.i.O... tH'xIH-i K* *"(** riH*.------ WatS".------- Amato*. . Rat to*. AaHA than ftaL natAAada. tab** . It thill sot offer any aoddent hasard in itself. (1) The devioa shall be daalgnad and constructed ao that it la lmpwnihu tor the operator to plaoe or permit his harm or Angsts to remain within the dancer famine* Fite support* M___ rite flat* u toppwu (ball niardi) Fite u Iran . (repa aad tbaN caanW Guard auppana la tnawp _ Guard andadppaiula anrbrad rrlUot. ((*I>) *M(*""...-..-.-..-..-.-.. ST Ml. IMrltia. JlaMrtavia*paafiL| (***!*a*fidi* a*d * atolan a* baataa*. (IH*-----------)!** t *U- h* anamar la** WH-Haa*"-l.a--* --. arH ft) W--------K'sr'lM -------ar ;r csr sane created by the movement nf the ram. ( Care shall be used in tb selection of thetaetbod of guarding for each par ticular Job. Quandt than be installed, maintained, and adjusted to prodttM safe operation at oaeh setting of the press. (1) Quards which an to the pcTMu-anena, tie. Width al Ppaetaf bourn* ttewpparu_l iliarte balm* Ate Aal (bo* ana mmrtrr wkhrtha* hah, rapa.ar Waha Ndaat; ^ arracp.aar*t-o_____ i wai*c_____ |j-r--o---.-----o--.v..'tAi fuantil. nocur bHa*h laardwppartr. sr*c.ur.... irtiic...: nm and which move downward ao that the opexstorthand or Smuts might be ZUdifneSPSenEr banter guard la an enclosure to prevent etna* *etv aeau nun* rsaamsa flan metal fn*il a* I* mp* and ebala fuarda. Warn win. r* aU...___ -- No. W A.W.O. Na.UA.W.0. Sa. 11 A.W.0__ I Nh.MA.W.0. K*AA.W.O. Na.SA.W.0.. the handa or Angsts of the operator from entering the ana between the dies It may be attached to the preas or individ ual guards mar be attached to the tu* . (2) There ahall be ao exposed sheer' atiiiwi nos ten uKnnniftfi points between the guard and any mov ing part . ' neumv--iwMwMKiimn*. CftolTtoL. Ctensc* tnm MS, rvp*. or mu M fact*. OwlTtotf M. ovwartosphNi. gjvtr. * **ua e. . <) Opening! In the guard or between the guard and working acrfaoa shall not *' ; be greater then those shown to the Table below: ; | 50-204.192 Ftaacn ami ilupan^ oonslst of a two-handed devio* requiring (metal). (a) The apace* between tbe nn of planer Irame* shall b* filled in with 1jary sheet metal to eliminate the shear hazard. (b) When there Is not a 13-tnch clearance between a fixed object and the planer table and the work carried on the table, a ratline shall be provided between the Axed object and the table and the work on the tabl* to protect workers pasting between the fixed object and the planer. | 50-204.193 Shear*. (a) Alligator shears shall be guarded by running a heavy U-shaped metal strap hortxontaUy around the moving (upper) Jaw with the lower edit of the strap just (ar enough above the cutting edge of the fixed (lower) Jaw to allow the material to be inserted In the shears. (b) Squaring shears shall b* provided with a Axed barrier which dears the top of the table by not more 'ban % inch plus the minimum thickness of material for which used. Automatic clamp* shall b* accepubis as guards when cutouts are filled In so that fingers of ths op erator cannot enter the. danger zone. . | 50-204.194 CaUlotln* caller*, power* drlf (a) Power-driven guillotine cutlers shall b* eaulpped with a guard or devloe which will pTsvant the hands of the workers from entering the zone traveled by the knife while the knife is in motion. This may be a fized barrier or it may tha simultaneous use of tbs worker's two hends et points outside the son* of danger. 1 . (b) In addition to the point of opera tion guard or device described In eeo- tion 80-J04JM(a), the power-driven guillotine cutter chan be provided with an arrangement which win prevent tt cutter from, making a second stroke imtn the lever or two-handed devlee Is again used. ' I 50-204.19$ Fewer prases*. (a) Se/epwardfa# cliiwfjtogflo*.1 One or mot* means of safeguarding the prase at the point of operation shall be pro vided and need on every power press, depending upon the method of feeding, in accordance with the following: BavsouaaNora Cua*sncan Urtlust. of footing ItftguMTtlng rcqalrfd AutooAde taad: Fixed banter guard or Automate rail food. (at* guard (aaetiaa Automatic pish, SO-aotXM (). () pull or dial food. SttMautomate (*ed: FUd barter guard or Chut* foot (both fata guard (aacuoa gravity and fol so-aoAiM (a), (d) low trad), sue* or push feed. SUdlog din. Dtalfrad. Revolving cuts. Manual food... Find barrier guard or gat* guard, two- baad tnpptag drvlra. or pull-out guard. Inflate sweep guard (section S0aoa.ua (>, (d>. (), (f).(gl.(b)) DUtaoe* of opening arcemum tom alp point: width of ogontng OH to 1H--------------------------------- h IHtoSH--------------------------------- h SHW)*H--------------------------------- H *H toH----------------------------------- % H to OH--------------------------------- % HtotH--------------------------------- % 7H H--------------------------------------IK (4> Vbr the portion of the guard be tween the operator and the die or work ing area. It to required that fo-tath minimum vertical steel rods. vertioaOr lotted material, or shatterproof, non flammable. transparent material b* umd. Ifesh, or perforated plate ah*n not be used between the operator aad the die. ( Any hinged or aaovahle aactlan of a fixed'barrier'guard shall be connaetod to an interlocking device that will prevent tripping the pram while the seetlon to open. (d> Goto psardr. (l) A gato guard to a movable barrier arranged ao that It oompletm the enclosure of the point of operation before the operating dutch ean bmoma engaged. (3) Openings In the barrier of the gato guard than be not greater thn thorn ipedfied for the openings Infixed barrier guard* in notion 80-3W.l8(cHl). The maehanlsm of tb* guard ahaS b* de signed ao that there will be no positive linkage or other dose motion which mar trap the hand of the operator. (3) Oats guards shall tnetude either fixed or movable aide enclosure* around the di*. 13820 RULES AND REGULATIONS M) When th* speed of th ram u to reach behind tht guard in tht danger 150-304.195 Platen prsaias low that in operator might beet the run on th* down stroke after Ut prow ' ha* been tripped, tht cat* guard shall ba detuned to that the gate remain* elotad until the ram has completed the down stroke. . (e) Two-head tripping detlee. (1) Two-hand tripping devtoa* include only thotc which make It Impossible to trip the prata without the simultaneous ute of both hand* outside tht danger one. It thall be detlgned. located, and tone before the ram hat eompletcd its downward stroke. (3) The sweep or sweep* shall not oiler any hazard of or In themselves by creating a shear' hazard between the sweep enn and prees tie rods, die straps, or other parts of tha prem or guard. (i) One-Jimd tripping device. When ever a press is set up ao as to require tripping tha ram or plunger by one band, additional guarding as specified in sec tion 80-304496 than be provided. Platen presses shall be provided with sa auwnatle feed derlee. an automatic stop device, a guard gate or sweep motion dance, or another device, all aa defined In this section. (a) An automatic feed derlee Is one which does not require the operator's hand to ba placed between th* platen and bed. (b> An automatic stop device is one which will prevent the platen from dot ing If th* hand or handa of th* operator arranged eo at to prevent tying, wedging, (J) Special Hand teoU. Band tools are caught between the platen end the or otherwlee securing one handle or but toe placing and removing material shall bed. ' ton or operating It with any feature or be such aa to permit easy handling of (O A guard, gate or sweep motion derlee and tripping the prea* while the material without tha operator's placing device. It ant which will throw the op other hand may be In the danger tone. a hand In tha danger zone. Such tools erator's hands out of th* way before (3) On - frtctioo-ehrteh-operated shall not be accepted in lieu of other tha proas closet. If the guard U of the pteues, the controls than be arranged so guarding a* provided In this section. type which lift* the hands out of the that if any hand it mated from a oootrol during the down stroke of the ram, it will be Instantly stopped. ' <*> Where two at more persons are | W-W.1N ' Fees premm. -ij.. . - danger me. It shall rise at least 4 Inches above the platen before th* press doses. Foot presssa dull be guairdad by one The guard shall be arranged eo that It or more of the guards described In ate- will prevent a shear between tht guard engaged In tha operation of a single tlon 59-304496 (a) to (dMaehutve. and tha top of the olaten. press, separate two-hand controls (hall <a) Fixed barrier guard*. Used bar <d> "Another derlc*" Is ona that will be provided for each parson, except that rier guards shall conform to section 50- provent tha platen from dosing on the an auxiliary foot control (air or electric) may be ueed In Uru of one tet of two*hand oontrolt, provided the foot control U located eo that tha nip point la out of the 304.115(e). (b) UnttaUon of stroke. XT a toot or kick prea* is guarded by limitation of the ram stroke,'the adjustment must be operator's hands before they are removed from between the platen and the bed. 150-304.199 Abrasive wheels. reach of the operator, but the toot con trols shall in no ease be less than a dis tance of 31 inches msatured horitontaUy from the nip point. (f) Pull-out guard*. (1) Pull-out guards shall be so constructed as to he studied to the operator's hands or arms and connected to the ram. plunger, or outer slide of the prees In such a war that tha operator's hands and Angers will be withdrawn from the danger tone before the ram, plunger, or outer tilde descends to a hazardous point. (3> Where the open distance between the top of the work and the lower ex tremity of the punch Is less than 3 inches themultipbrtnf action of this guard thall be such that the hands will be with drawn a safe distance before this open set and locked securely in position to limit Um maximum, travel of tha num to % inch on aach treks. Thera shall ba no pinching or crushing hazards be tween other parts of the ram or die shoe. <c> Ode guarda. A gate shall be de signed to dose the opening at tht front of tha press befora tha foot lsvar can be operated. (d) Two-head operation. Two-hand operations shall conform to section 50304.186(e). <#) Sweep guard*. Sweep guards shall conform to section 66-30449S(h). (f) Pull-out guard*. Pull-out guards shah conform to section 50-304.186(1). (g) Location. Foot prsssts shall not be located in a position which will permit th* operating lever to extend Into an (a) The machine shall be securely mounted on substantial floors, benches, foundations or other adequate structures. (b) Guard*. Every stationary abra sive wheel end portable wheel used in stationary position shall he equipped with a hood or band guard strong enough to withstand the shock of a bursting wheel. A guard of this type shall also be used on every portable wheel where the nature of the work will permit. (c) Sptndle. The spindle and nut and Sang* projection. If any. shall be guarded. (d> Mounting* and lattenlng*. Hoods shall b* mounted u u to maintain proper alignment with th* wheels, and th* strength of the fastenings shall exoeed the strength of the hood. (s) Duet exhaust provision*. Hoods distance is V eioeed. <f) electronic ta/etg device. Cl) aisle or passageway. (h) Mounting. Foot prases shall be on machines used for dry grinding and other operations where dust It produced An electronic safety derlee shall be securely bolted to the floor. shall have provisions mads for connec so designed and Installed that when the operator's hand or any port of th* body is in th* die son*, the press cannot be tripped and if the band or any part of the body Is Inserted while tha ram Is in a downward motion. It win Immedlauly stop the ram. (3) These guards shall ba operated from a circuit wired so that Interruption I 50-304.197 Other power-prrss safety devices. (a) Treadle guard. A substantial suard shall be placed over the treadle of every foot-operated power press to prevent soctdental tripping. (bi Foot treadle. The use of tension springs or counter*elrhts on any treadle tion to an exhaust system: (f) Work rests. Work rests shall be kept adjusted close to th* wheel with a maximum distance of % inch to prevent th* work from being caught between the ' wheel and the rest. I 30--304-300 Revolving drama and cyl inder*. of the electric currant will automatically theft or tension springs on any treadle- Every revolving barrel, drum or other prevent the press from, tripping until the abaft lever la prohibited. revolving container shall be guarded by current has been restored. <e) Letch on hand-operating lever. an enclosure which U Interlocked with (3) Electronic safety devices shall not Hand-operated power prases, shall be the driving mechanism, ao that the be used on positive clutch preanes where equipped with a spring latch on the op-, barrel or drum cannot revolve unless the the ram continues for a complete stroke erating lever to prevent accidental or guard enclosure is in place. after each tripping of the press. (hi Sweep guard*. (1) Sweep guards mar be provided with either single or double sweep arms. Tha sweep arm, or arms, shall be connected to the ram In such a way ss to forcibly sweep the prematura tripping. . <d> Interlocking device. Each handoperated power pres*, if tended by more than one person at one time shall con form to the requirements of section 60304.196(0 (1) and (31. 150-304.301 Fans. When th* periphery of th* blades of a fan is leu than 1 feet above the floor or working level the blade* shall be guarded. hands of tha operator tram the die ton* (e) Single-ttnkt attachment*. On Woodwoxktno Machinist as the ram or plunger deeeendn and be positive-type dutch prases a singlt- fore there Is danger of Injury, stroke attachment shall be provided, by | 50--204408 Circular Uhl* aaw*. (3) Sweep guards shall be so designed which the treed]* or operating lever is (a) Quari*. Each circular saw shall sind operated that the operator cannot disconnected after each Stroks. be guarded by a hood which shall com- Wednesday, December Z8, I960 FtOEIAl REGtSTH '->w* -M5 - 13821 pletely wtoa* that portion of the saw from flying splinters, broken saw teet"h,' aontal hkeaa.idl ' shall be equipped with a ' above the table atf shall Im inund so eta. end will deflect mwffuet sway from cylindrical cutting head, the knife pro that the hood wfll aatomatimny adjust the. operator. The sides at the lower jection e( wbieb shall not exceed ft inch itself to the ttiinfrn-- of, and remain t& snoeed ww+fiw. at the blade shall be beyond the cylindrical body of the bead. oontaet with, the material.betor eat. guarded to the full diameter of the blade (21 The clearance between the edge When then Im a pomMltr at aeaUet tar a derlot that win sutosutMBr ad of the tear table and tht gutter bead with a portion of a circular taw beneath just itaelf to the thlckneee of the stock shaU be not more then ft inch. The or behind the aaw table, that portion ifwffjw *fi fftpfwith ttodc brine table throat opening shaU be not more thall be covered with a guard to prevent cut to give maximum protection possible than 2ft inches when tables are set or accidental contact with the aaw. tor the operation being performed. aligned with each other for aero cut. b) sprtmdert. Each circular ripaaw <b> SprtaAm. When radial aaws are (b) Automatic guards. u> Each thall be lumiahed with a threader to used for ripping, a spreader shall be pro band-tad jointer with a horiipntul prevent material from squsextng the aaw vided meeting the requirements ex cutting bead shall have an automatic or beinr thrown back on the operator. pressed in section 80-204JOg(b). guard which will cover all the section A ipreader need not be uaed for work (e) Non-kickback Angers or dogt. of the head on the working side of the which is restricted to grooving, dadoing, Each radial saw used lor ripping shah fcaoe or gage. The guard he keep or rabbeting. be provided with non-kickback Ungers or the operator's hand from coming in oon (e> Non-kickback fingers or dogs. dogs located on both sides of tbs saw taet with the revolving knives. The Each circular ripsaw shall be provided so as to oppose the thrust or tendency of guard shaU automatically adjust itself to with non-lcickback Onean or dogt so the aaw to pick up the material or to oover the unused portion of the heed located at to oppoae the thrust or tend throw it back toward the operator. end remain in contact with the material ency of the aaw to pick up the material (d) Adjustable stops and return ds- it & or to throw it back toward the operator. deal. An adjustable stop shall be pro (2) Each band-fed jointer with bori- | 50-204.209 k Swiss ad *Ua* ewt-off vided to prevent the forward travel ofdbe blade beyond the position necessary to complete the cut in repetitive operations. aontal cutting head shaU have a guard which wlU oover the section of the hsad taofc of th* cue or fenoL The requirements erpretaad in this aectlon apply to ail twine cut-off taws | SO-fMJHf Farnfcls ebcwlaraews. (g) Each wood Jointer with vertical bead shaU have either an exhaust hood and to thoae sliding cut-off aawa which AH portable power-driven aaws shall or other guard eo arranged as to enelose are mounted above the table. be equipped with guards above and btiow oompleteiy the revolving head, except far <a) Hood. Each of the asws.to which the bass plate or shoe. Theupperguard a slot of such width as may be neosesaary this section appUct shaU be provided shaU eovsr the aaw to the depth at the and oormnlcnt for the application at with a hood that shall completely n- teeth, exoept for the an required to material to b jointed. . oloee the upper half of the aaw, the arbor permit the ban to be tilted.^Tha lower end. and positions the point of of the saw. - operation The'hood at all shall-7. at ttw teeth; exoept for the astidm5*"|,`"-'"wtfr"l be constructed tn such a manner and of' required to ahow.proper retraotiost'and (aW Tbs'cutting: beads of eoehrwdod nob material that it win protect the eootaet with the work. When the tool shaper, hand-fad panel raiser, or other operator from flying splinters and broken is withdrawn from the wotfc. the tower similar machine not automatically fed. saw teeth. It shah be deelgnert so that guard shaU automatically and Instantly shaU be swclnewd with a cage or adjust it will auto natlcafly oover the lower por return to covering position. able guard designed to keep the opera- tion of the blade, eo that when the aaw is returned to the back of the table the f 50-204.212 Bawd mvi te haste re- torn hands away from the cutting edge. The diameter of circular shaper guards hood will rise on top of the fence, and when thr saw is moved forward the hood shall be not leas than tigs greatest di (a) Xnclostng bond-sow bladot. AU ameter of the cutter. In no case win drop on top of and remain in eon- portions of the saw blade than be en a warning device of leather or other tact with the table or material being closed or guarded, except toe the work material attached to the spindle be cut. ing portion of the blade between-the bot tootputili <b> CounUnotights. Baoh of the tom of the guide rolls and the table - <b> Cylindrical beads shaU be used aaw* to which this section applies shaQ Band-saw wheels shaU be fully enoaeed whenever the nature of the work will be provided with an effective device to The outside periphery of the enotoeure permit return the saw automatically to the back shall be solid. The front and back of <o) AU double-ipindie shapers shall of the table when released at any point the band wheels shall be either enclosed be provided with a starting and stopping in its travel. by solid material or by wire mash or drrioe for each spindle. (o> Limit stop*. Limit chains or other equally effective devices shan be provided to prevent the aaw from swinging beyond perforated metaL Such math or per forated metal shaU be not leas than 0027 inch (UJJ. Gauge No. 20). end the open I 50-104.218 Heaiag, aseUlwg. atlekbig ead aeetcfeiag aaedilaaa. the front or back edges of the table. ings shall be not greater than ft inch. (a) Each planing, molding.' sticking, (d> Latches. A latch or equivalent Solid material uaed lor this purpose shall. and matching machine shall have all device shall be provided to prevent the be of an equivalent strength site firm cutting beads, and saws if uaed. covered saw from rebounding upon Its return to ness. The guard for the portion of the by a metal guard. If such guard Is con the rear of the table. blade between the sliding guide and the structed of sheetmetal, the material uaed 8 50--204.210 Iavcrted twins rwt-off ** (jump taws). upper-saw-wheei guard shaU protact the operator from the saw blade at the front and outer tide. Brakes shaU be pro shaU be not torn than VU inch tn thick ness; and. if cast iron is used, it shall be not leas than ft* inch in fhlrkneei Inverted swing-cut-off saws shaU be vided to stop the wheel in case of blade (b> Where sn exhaust system is used, provided with a hood that will cover the breakage. the guards shall form part or all of the part of the saw that protrude* above the <t Tension. Each btnd-uw ma exhaust hood and shall be constructed top of the table or above the material chine Shall be provided with a tension of metal of a thickness not Ism than that being cut. It shall automatically adjust control device to indicate a proper ten specified in paragraph <a> of this section. Itself to the thickness of, and remain in sion for the standard saws used on the <o> Feed rails shaU be guarded by a contact with, the material being cut. machine. hood or suitable guard to prevent the } SO-204.211 Radial h (a) Hoods and guards. The upper hood shall completely enclose the upper portion of the blade down to a point (c> Feed rolls. Teed rolls.of band re saws shall be protected with a guard to prevent the hands of the operator from coming In contact with the in-running rolls at any point. hands of the operator from coming in eootaet with the in-running rolls at any point. "Die guard shall be fastened to the frame carrying the rolls so as td re main in adjustment for any thickness of that wUl include the end of the saw arbor. The upper hood shall be con I 50-204.214 JteMct*. stock. <d> Surfaoere or planer* used In proc structed in such a manner and of such <a> Point of operation. (1) Each essing multiple pieces of material simul material that it will protect the operator hand-fed planer and jointer with hori- taneously shall be provided with sec- r-iCl SC*-- [i , uaa RULES AND REGULATIONS sj?vv tioafti infeed 0a hkriac sufficient yield | SA-SO<JUS- Toeleaad ether materials. (o) Corned receptacles shall be kept i^'r'r./ia the coutraottoa of tbs eeotteo* o Tools, --ete^eUp or debris Hen Q0{ . .' provide fsentry content mwn an the stock, onr the permW1bis nun at variation to itook thtttmem meciacd or be strewn about tn a manner which may eauao trlpplnc or other haaards. . far which Um machine 1* dwrtgnsd. In | ld40i.HI Keccpuclce far wssu dls. 'Uaa ot such yielding action*! rati*. sult- "" ahle section kickback finger devices shall Any reoaptaela used for deoayinc aoUd In.all toilet rooms used by women. | SOdOOt! Construct)-- ef t e 11 c t rinim (a) Xach toilet facility (closet) shall oocupy a separata compartment. equipped with a door, latch, and clothes ' , ba provided at tha infeed end. ' or liquid waste or refuse **n be so con* hook. | 50-S0417 fleadtag aucliiM strutted that It does not leak and may bo tb> Tha walls of compartments or conveniently and thorouchly cleaned, partitions between fixtures may ba lest . u> feedroB*. Feed roBs of self-feed and It shall ba maintained tn a aanltary than tha halcht of room wans, but the aaadliiCBaehbiaa ihalt bapncaetad with --usimwi Such a receptacle than ba top than not bo leas than tlx feet from * aeml-eylindrieal guard to prmni tha equipped with a tight-fitting eovar. tha floor and tha bottom not mors than ot tha operator trod owning la contact with tha ln-nanlng roOa ot aay tsuum s~*. .4 ' pwi^t. Tha guard ahaU ba conatnietad or heavy material firmly secured to the --y*--* " --X -**** dntefc*ind Ui, B^TtSSt mate carrying tha roUa ao aa to remain rufttse. and garbage shall be removed in rams than be ao ecreened that the In- ><T f Mix*. Tha bottom at the coord ihoU oocbo SSLi.TSiSthJJSiaSE down to within % torch at a plane formed by the bottom or oontaei face of the feed. sssssa'ssisssStaV * sr--siSwS,!Si.pS rail, wbere tt loaebee the atock. - f-.<b) Bras. agadtx#-mcMm*. Xaeb dram --rxtntT.faHiff.-han hava an exhaust hood.- or,other,coord.' arranged to enclose tha raraMac'dram; except tor that portion ot the dram abort the table.* rtf .a table * * ; TOtt*r FscttunwAmWii* RoostsS^ ba of a finish that eon be easily cleaned. ea---s - ffVwu w TWtot moats, exoept those tn work *------------------------------ - ^^j2J|JSJ~^.piaoee'aooaaslbla.to wen only, *" be ----- . 3^8pSnJjnaeapietaly;enclosed wlth aaud' material kvery -plM]df|aavloyaantJuSnTbeSttiat la nontransparent from the ootrida: cSrSovSidhaMdtawaitphafardaetaqfuoarteeatdtooexO.^agae|gERt<fWfaiJUeS r.Cfhefmlictal-l?'stlmt'e.ta..s^ad r Disk fwuulUHex. Bean diik nMftitM ituB tew te >"* hood, or other coord If no ax- haact system la required, atxaacad to aortoaa tha revolving disk, axoept far | S-SOtlU ____ _ ___n, i . ?>0* tsffMaa^an be PWfldad m m ' whan chemical cloeeta or prlriaa are pamittad hy looal law they ahan be of k tip*XMWorad by tha health authoritiaa that portion ot the disk abort the table, if a tabta la need. fllcbt *of sta*ir*s axe not onodoabi^dwer-sadooaar thaMtnftaad*lalaa^Usaontittoaroy anidA<Snhran be main- <d> Sett aondfsf machines. Balt raadSy snrssafhll . | W404J4I Weehiac fadUtles. I: madias maohtrras shaB ba protldad with guards at each nip point whan tha aaad- 180-S04J41 Water rleerts. Adequate facilities for --)ttntriT Inc belt rent on to a paDar. Thamtnaad ran ot the mndtnr bait shall ba ruardad Water or -h--wi closets or prtries wbRepermlttod by toaOls^ P^*00*1 eleaallnatt shsa bo provided tn wary place of employment TbeaeahaU acalnst accidental contact. h.ri ns provided for --h sox and Hn ba convenient for the employees for ln aorerdaneo with the foUowSr mbom P"TM*1 * thtn > Bovwxxxxrao .ki. The number to bo crovidad for maintained ba * sanitary condition, | SO-3OC230 Cnml AH phnsa of employment. r**`f*way*. storerooms. sad sortM rooms shall b* kspt clean and orderly and in a sanitary orevfttVn | 5d-204.Xtt fleam. (a) floors of rry workroom shall be maintainsrt in a risen, ami. so far aa pot- tibia, a dr? oorvtlUop- Where wot proc esses in used, dralaart shall ba main* tatned. and false floors, platforms, mats, or other dry standing places should ba provided wbare practicable. (b> ciaantnc and awaeplnc than ba dona in such a manner aa to the oontammatiwi of tha air with dust .and, to far aa ia prscttoahls, should ba dona outside of working hoars. <e> Every floor, working place, and passageway than bo kept free from pro* trading nails, splinters, boles, or loose boards. . each eex shall In every casetabued on <*> least one lavatory iwattt basin) the --e-- p--rH-- of peraoos of that sdoquau hot sod oold water, shall ex employed at any one *-- at work on be provided for every 20 employees <men the 111 anlsse for which tha locllUlas are or woman) or portion thereof, up to 100 fnrnijhid. When prrwB1 other psi a4is, and one lavatory (wash basin) employees are permitted tha two of tcUet for each additional 3S persona or portion tHTiu}?-- on the pnenises. a rsamnitils ^bareof. Twenty-four Inches of sink .k.ti i- miv-- with Individual fsuoet shall be oooaldered persons in oomputmr the mfntmum " wual to one Uvatory. In aB In number of toilet faelllUee required. (a) stanoee. a suitable deaasiry asnt shall be provided at each waah place. . irinuiem <b> Where employees art exposed to nnmhtrof' skin --ihhihmi by polaooous. tnfee- Nmbr o/ vriu /eedttus tloua. or Irritating material, one lavatory l to *.-------------------------------- -- J supplied with hot and cold water, shall- 2Stos------- ------------------------------- * be provided for every S employees. so to ~~ ................... " ' 4 <o) One shower bath with ample sup- n to ioo_____ ______ s Pl7 of hot sad cold water tram ona o*r too_______________ () fixture shall ba supplied for every IB ' t for mh smmonsi so pmsou. wkso. or portion thereof, exposed to excessive heat or to skin contamination Where 10 or more are nployed, one -by poisonous. Infectious, or irritating water eloaet leas than tha number sped- material. fled In the fji sgUng may be provided fir (d) Individual hand towels, or sections | *0-204^31 FtaauuUe -sUriels. thereof, of doth or piper, or mechanical OOr rats, ofly waste, waste paper and other flammable end combuetible ---tvrial shaB be stored In tightly Oloeed metal nontamers. Magnesium and other flam mable metal aerspe shall not be mtxad with other scrap. An flammable scrap JB17 ooihPBi naaM to mbi uu t--w>SI *rr*.-*.w*ii*ia*it* fomr, d. rying ths han.ds.., sha. _ll be __ thirds ef the number apeetflad In tha foregoing. Two feet of trough urinal b^` be maintained for ..n be ooosldered as equivalent to one disposal of used towels. Towels for Individual urinal. common use shall not be provided. (b) An sdeqtzata supply of tollat paper <e) Adequate washing facilities shall material of any kind shall be removed with holder shall be provided for every be provided in every toilet room or ad- from the work areas daily. water closet. Jscent thereto. Wednesday, December IS, 1960 FIOItAL RIOISTIK 13823 S 50-204.245 Qiaafs reams. water the eonatmetlou of the container furnace tandlnx. and Irradiation with Separate chants or droBtof rooms .'hell tx provided for each mz what ever it is tha pneUoa to chants from street elothea or whararar It is naeaaiaiy to chance becauaa tha work performed involves exposure to xxecxxlve dirt, hast, fumes, vapor, or moisture. Where chence rooms are not provided, facili ties shall be furnished for hanslnc outer ferments: (a) Where employees' work clothae era exposed to hr poisonous, infeotlous, or trrltatlnc material, facili shah bo sueh that tha lee doaeaotoome ultraviolet llxhl in direet oontaet with tha water. i (e> open oootaisare such ea barrels, | *0-204470 Firsts14 for palls, or tanks for drlnklnr water from which the water most be dipped or Where workara' area may be exposed poured, whether or not they are fitted to injurious chemical such as with a cover, shall act be allowed. aeidi, eansUot, etc., lultabio ladlittes for id) The common drinklnf cup U quick drtnchlnx or flushing of tha eyes prohibited. shah ha provided within the workroom, (> Where staple aerrioe cups art am- for immwllate emerxeney use. plied, a sanitary oontahvTfor the unwed.**#*?XwvntojnxxirrAi. Common ,J. cups and areoapteclefor disposlnx of the mo" uaed cupschshbtprovided.aose*. vapors, ties shall be provided In ebaaca rooms so that street end erode clothes win not be Wo employee shah be exposed to any of stored in contact with each other. <b> Where tha'proeeni In which the worker Is encacod Is such that his workins clothes become wet or have to be washed between shifts, provision shall be made to insure that sueh etcthine is dry before re-use. as water iar industrial or nre-ntnuat 1 ***hw .list*min.nse'cmtioLntun-n<SvxtnMiU~-rr fumme-ks purposes only, than be posted to indkate that the water is unsafe and Is not to be used for drinktnr. washinx, or cookinx purposes. MSSiCAL BXXVICXS the UoU"tswtahoenre stated when ap plied ta him on an averse* basis for an debt hour workday, unless he is pro tected therefrom by respiration equip ment approved for the purpoee by the $0-204244 RmMm nmm for women. Where 10 or more women ore employed st any one time, at least one retains room shall be provided. <*) Where lees than 10 women are employed and a reUrine room la not fur nished. soma equivalent space chan be provided which can be properly screened for privacy and made suitable for tha use of women employees. (b) At least one oooeh or bad that! be provided In every place where women are employed. The number of sueh bade or couches required shall be aa follows: Beds I to 100............................................... 1 100 to ISO --____ ____________________ 3I I additional bed for each additional S 50-204464 Medical service*. is) The employer shah assure the ready availability of qualified medical personnel for advice and oosisultatloaon plant health problems, for emerxeney medical services, sad for the supervision of first-aid attendants ' (b) in the absence of an Infirmary.'a person trained to render first aid end e kit contetnlnr the fohowtnx items shah be available at every place of employment. i Adhesive Plaster H" x yd. Bail. 1 Adhsw** Plaster. 1 x f yd. BeU. 1 AhmsSsat Ootesa. ><otms* pecfcai**. 1 Atwntswit Ossas. 1 yd. I Aetivol Soap. S-ouaos bout*, too Adhesive Bsiylsjm. I". 1 Araoiau* Spirit* oC Aminowti, I-ottnv* United States Bureau of mw of the United States Department of the In terior end operated in aeoordanoa with the recommendations of its manateetursr. exposures without such equip ment which exoeed such limits tempo rarily. without exoeedinx them on a dally avows bails, or which Involve more than oaa such toxic substance, retardlees of the decree of its concentretton. art also haaardous unless thsy are undertaken ta strict conformity with prior wrtttsn approval of a quaUfled In dustrial hnteatet who has studied tha particular tereumstaneas of exposure and the toxle substances and conoantrattena involved. | *6-20447* Threshold limit vaW 250 women employees. A minimum of 80 square feet per bed shall be provided. L.UKCK ROOMS ARB FOOS RAHnUKa { 50--204.251 Lovells*. 1 Boris Add Sototioo. l-onne* hettl*. 1 Castor OU. Swraeot ltUe. 13 Ootspras* Bsadatsa. 3 . OoaaprwM asimsfss. 4". IS Oowqa Wound Applicators. . o*s.srt npwv-KvhuiM, -- -- - UtttftM far In ail place* of employment where em ployees lunch on the premHw. an ade quate speoe suitable for that purpoee shall be provided for the num ber of employees who may use sueh speoe st one time. Such speoe shall be sepa rate from any location where there is ex 1 BysOep. .~ss;>r -*- mnilih*_________ __ l By* Dioppst.-. ,-'io> -. - - amUtsM--__________ e pumsroo*.~*v`'.v ' '..'Hflij. * *** ssSywim. S Kill* Sor Bun*.. It os. tuhax'i^-',~-'- l rain far Sent, l-iuiiw e Oeaa* Hauer Beadscst !'* e e yes.Ar)us*"4.....------ e Ostsw Bousr BaaascM Ml ye*. AW^tedr...,,...---------- S Oauas Bousr BaadacM S`a a 0 ym. *2jpwnsua*............ mt .1 ss 44 la i.s *s li 1 tl posure io toxic materials. | 50--204.252 Waste feed dlspessl. 10 Osuas StlltsH. It" x XT'. t Usrthlolsu. Tiastur*. S-otmas haul*. l Martkiln* Olsat Aatyt _ Awyt _fSsi lM*yt *l- ------------ ------------ A covered receptacle shall be provided and shall be used by employees for the disposal of all waste food. 1 Manual mm Aid Instruction. 1 SoUsovs Pstr 4" Bandies. 1 Tiisvi Pah H". . l* *** -------- ------ ----- " jvancSUrtSv------ --------SSSSi;*(tAVMMMiv.:::: n I t .1 f 50-204.255 PrvenK* ef teak- Materiala. No employe* ahall be permitted to i epos*. i Tmmuqust. 3 Trunyulsr Baadsxas 40". S wood Splints tor Prsctuiss. niiisi (Mart art k_ u--l................. ............... Mds (vMrl mv nmriiimiiill'.'.'.l".'.'......... I Ta store or eat any part of his lunch or other food at any time where there ere present any toxic material or other rubstance that may be injurious to health. Dements Warn S0-204.25C PetabW water. (3 Wood Toncu* DtprsMova. . Ire PsoncnoK ladsw-.'..-"""!"' Botyt vrliMvv n-Suittr_tS*a*ii_.,...................... | 50-204469 Cswerel tequiremcal. Eye protection shall be provided where persons are exposed to any haaard which S"si!loen' may cause injury to the eyes from the _vrtrt ***)..------------- l m Mut a 1iaM ra (a) An adequate supply of potable followtnx operations: chipping, oalklnx, =>rmT'rr'TTi'r------------ water, approved as to source and dis tribution by appropriate authority. shall be provided tor drtnklny. washInf and cookinx purposes In all places of ooaree xrindinx. rlwttnx. stedtlnt. aoal- inx. llxht xrindinx. etene drewdnx. spot weldtnx. woodworfclax, metal-worklnt, babWttlnx, caetftir. dlpplnr ta hot metal cm--bsmwi c* rvSSt StdMwuiii ictiiintnuM_____ ?**]''*' -u-yr---, n Mi a I employment. baths, handllnx of adds and oausttea, uSST......................... a (b) In all Instances where water la electric sro weldlnt. oxyaeetylene end tsai-us)-- $ cooled by ice made from nan-potable oxyhydroxen weldlnt and cuttinx, crvuSslasi.*-"-*.' \ .tU.b_mjaUainr>a-.>...M...U o>DkiV'tim UVUanidlftMr l.l-Dklilifwmw. Uttyli 01ehlPrt4l....--~..-- IlMbrartkyl mint....-- Db*>Ji UMMlMWIlk l,l.PfctM-IW( H>--l, nmnumiOiw DmhyUmlm. . ruilimraSbmMWtitmtn..... aaAnt)...--, TTimitti t'--_________ , uSitnlMyiMttdik). curl ktuu___ --.-----------1 ItfcTl netyitM..-- KUyl imM mgoM)...^. lUrhiilM......... -----* rutyfam--' ------ KlbytHaMM Ztkyt cawcidi___________ -- ttkrl rtbw---------------------*M1 Hr--M --............ ?sS^Ez ztlrw^jjwH <>xf a w m * m m I i * V SI I 19 o r.t s t fwyuiwmi own.rri JsSSsrS- iMMyMp ___ I.TwhicrtMirttMifW... fcM M-ti rOJT/C DOSTM. TVMSS. AMD MISTS--Can. MUUfrtmt per ev&lc Subittntt mttrr at tlr UlBMlBlB oZdl fawt--,,,,, . ,, 1J lOtotbtOO (O.)-dimethyl dlthlopboa- pfcate ct dtwhyt mmsptatuetl- MM)---------- --------------------------------- 15 Muc*MM_-------------------------------------- Mmeury_________ _______ _____________ . i Mw i.uit (oeieulo compoundx)_______ . oi Metbosyebtor (3.3-dl.p.mathory- pb.nyl-U4-trtchloro.ttun.)_____ _ Molybdenum: otuble compound._______________ _ t Ineolubl* compound.______ ________ It IftMtUM-__ ....________________ __ .1 Paratbiaa (O.O-dMthyl O-p-altro- phtnyl uuopbaepbatt) taatteblocoaaphthaln*._.. ........ Peaucbteopbanol Pboepbarua (yellow)................ Phoapboru* pent*chloric*_____________ ..1 .t .1 Ptoetpboru* penmuina*______________ Pyrotbrua___ .l aleatum compound* ftooroaerut* (10*0). taauty*. HW--i < jlmainM mmLri Im (mmJrrl TTriruuni HT*om1 HftoCKA 0llRl4fl.M..M Br+mm **?*+----- TIHrttvD ......... ............. Uy4n*m --......... I441M. iMPMTtr H4t). MU7 M*t*rt xwpM>........ Xrtftri vrynm ,. V4tArl QWihlMl)....; >1*^71 mrVWMd............... >|UTI Um*4t mom (ttfiTlan* * Marl XMArlAi <1 IM........ . , >tr( dHi4lwm (l.l VtehtofMCM> lUttbnrrrM M*hytcTCtol MMAyt Murt uMyt (McCiyl mmjX ta>hQ.--*] Mchyt cfctartt* (CNUwi m*tn*/V4)......... . MiwbiUi^ uOm.. Xftphtbt (Ml ur)............ Ntp&ia* (rwuMtoxa)............... Xtafcet arfaNTl...................... Nttrtc *rkJ....~................. KNiirotnUbK.... .................. ItnhfniM_____ ____ _____ Nlinxi&ut*.......................... NltforM ......... SitrflyiMta.......... ,.......... . NlWBtHM............. ........... >Nttrqi,n p--i..... ............... ^.i NiuqioHm*.--...... ~........ Onim..................... . Twmdirttart(mm. ~. l`ua rmtwmw (MUyt pupyt kUM)....M................. I t* I 4 M I I > Mi XXI 2> ,0 A) If KM Oil 1 X>J V) .1 I \ ( IMS I A m M 4 e n .m u m m is M UM tl I. IS SB to i IM t SB IS a CM bayUlus------ --------- ------------------------ tys* Otdalua oxlda turn.____ ........__ . l didtsm tfHtuiK... ...___ _________ . i CbioMaa* (iJ4A4.?Ab-otMb)aoIM,f>H-litnby<i-t74BMbiB0la. CUUM) 3 Chlocuutad OBWPlMIM. *0%.____..... . t Chlortnaud spbrayl ozuu__________ . t Chlarodlptunyt (43% ebloefa*)...,,. 1 Cblorooiplmcy (M% chloclat)______ .1 CbromM Mb aad chromaM* (a* Craf barMalda (aodlum 3-|aodUus 3 13A-dlohJaroptunairy I ctbatMl by* dracan luUata)....__________ it Cyanide (aa CT)^.______ t 3.4-D(S.4*dleblo(opbenoeyaaatMaeld). 1* COT [JJ-bU |p-chk>ropbeayt|-U4- ____ l Dtetdrtn (1444.10.10-benMbleeo-cy- epo>y-l..4a4J.T44a-oetabydeo14. IJ-dlmethanosapbthal.na)_______ .11 PlBltrohanieoaI DinlMtaluana _______________________ 1.f DUUtro-o-crMOl__ __________________ .1 n (Oatbyt O-p-mltropbenyl tblooo- banaanephoaphonata)_____ ........ . I Farham (larle dimethyl (Utbloearba- uu|_____________________________ li parrormnadlua duet____________ 1 Fluorlda.__....,,...3.1 Bydrtiqulnana....___________________ 3 Iron oatda rum*.___ __________--____It Lead_______________________ _________ .1 Lead uwstu_______________________ . II Undana (baudblarocyelabtxana, fem me laomer).___ _____.........------ t ytusa Waifartb (l-(aeatonyibaaiyl|4-by- anjayeoumartn)____ ____________ CUM ok)da tumaa...tt Zirconium oompounda (aa Zr)........ t MBnaML Dtrera Million* of particle, per cubic meter / etr Aluminum oxide............. to Aabeatoa............_____________ Duet (nulaano*. no fra* tlUca)........ to Mica (below 1% rrea aiUaa)...__ 30 Portland eamani_______________________ _ Bfb (aboee 10% [r* SO.)________ Medium (t to t0% (raa 310l)._____ tow (ba)ow t% tree 810.) IIUhBtM ______ oapctooe (below lo (raa ! Tala______ _____ _______________ _______ I 10 AO 10 to JO VcmumoK I S0-204-248 Ccnerml Tcatllallen and tewiparalura mrwtremeuts. ta) Outdda air (hall bo provided to all workroom! at the rate of 16 cublo feet per minute per person, or one and onehalf air chanret per hour, whichever U tnatar. In most lmtaneu, leakace throneh walli, door*, and wlndowi will produce at lean one and one-half air ehancea per hour. (b) A minimum air temperature of <0* P. ahould be maintained at all work room* where work of a atrenuout nature It performed, and a minimum air tern- | to Wednesdag, December U, 1Mb FEDERAL REGISTER 13823 perature of <S* F. should bo matntatnsd (g) The capacity of an exhaust system ftMwa. Paoncrm Bqprwaorr in U other outfcrootna ttnltt prohibited by proem requirement*. shall bo on the basis of an booda, booths, and eaelasorea connected | IM__t_U__N Ttnml pcmeltf equip- ISMOUW UotolMM to the antem being open, earnest where - : I * * - -. fymsBt is so mterloekod that only a'^TPwnil protective equipment or pto* it> iwr local _ onus Hull protfoM and Balatak * ppcMfrMutowntowg trst ocaannoboooovpmeraatieed* at aa .ssirrremni * toottru^shie,,ldHstnoUr lbna<rdrietros shall, b9eQparaoim* mim, fl| pflkh case tha oipaattf grU movement of air toward th* opening, ba oaleulated on t*** basis that aQ t*** non whenersr aubstanoai. radiation. or tuflleltnt to prevent eooape of eonteml* hoods in tha group requiring the groat* mechanical irritants are eneountered in nont to tbo wttw during wocfctng cat volume rate of exhaute are opan. a manner capable of ceasing Injury or hours, beyood tbo Vmtte shorn tat aoo* <h> Suitebio air inlets then bo pro* m function of any part of tion 50-J0C31*. elded for replacement of othanstod air. tbo body through akin or muoous mem* <t Air flow through branch and (!) Bvhanat cyatems handling dusts beano absorption. main duets shall bo eulBctent to trane- and discharging to the outer air ahaO bs port thooontamlnsnt through the system provided with aoltablo ah skontng do* Bmminuca Omi mi Uokrs Ifnn without settling. rices tonmovo air ceutaatinante prior to 11HOUOO Federal Mia* SefMy Cede. <c> Piping shall bo loeatod so as to bi ftootfliblt for ond maintenance. <d) Air flow equipment including hoods, pipes, fans, motors, and collectors shall bo eflecUTSty grounded. (o> Two or more operations involving more than one mhstenee shall not bo the discharge to the outer air. except ttmtflw manal cfatUBUtncMi . Tfaa Federal Mine Safety ooda for Bl> tuaUnoue Coal and Lignite Minna of the (J) The diecharxe from any exhaust United atoms. Part I--Underground system shall be snob thafno air oentam* Minas, and Part XX--atrip Minos, as pub- ination therefrom will antar any window, llshod bp the Bureau of Minas. United door, or other opening of any work moos States Deportment of Interior is hereby in quanttttes suflfcten_t__to__o_r_n_a_t_e_a__h_e_a__lt_hadopted by rsfsrsnoo as ths. safety and hanud to aueh spaeo or create a mflaaaoo bmtth standard requiredforobeamnoe to ssrxouBdinr areas. in-the'tetamirwra ooal and lignite min. permitted to bo eonnaotod to the aaaao (k) OaOsoted matoriais'shall bo re- -'ay towfalcfa section 1(a) of the Walsh* exhaust system whan a combination of morsd at intervals fiaquiot eaqagh to HsotepPnhtfe Contracts Aet has applies* tbo substances tinawsd may constitute ftMflnf* xnG flttnflllRE SNSgEfl^B *in1T IMflPR * a firs baaard, an osplnalou haaard. or tbo otherwise dangerous mixture. (a), at all <f> Thoee Hoax at Washington, D.C., this 13tb dapofDooamber IMO. using or |l40Utl JumaP.MnaciLt. gases, fumes, vapors, Notes shall ba tsasonablp reduced or Jeorefory ofLabor. other impurities shall be completely pro oUmtnatad as a moans of preventing fa* (PB. Bss. eo-llSte: vnsd. Bis. T, IMS; tected from all souroes of Ignition. tigua or aootdanta. l4l SSL) - 4