Document bB1KjwgpvDLEm5MzRg4DV6qNy

Federal; Register /-;yql._:5'Uj.No. :119, / Friday, june; Appendix Gto1826.58---VYork Practices1 ; ^ ; ^Use of Clove, bags andEngineeringControlsfor Small-Scale, ..... --Removal`.of entire asbestos insulated . ShorlrDuratioD.Asbeslos Renovaiibnlflnd,,.. .pipes or structures Maintenance AcUvitlej^NonrMahdatory,, . ---Use of mini-enclosures ^ This appendix is not mandatory, in that* construction' industry employers may choose * Enclosure of asbestos materials: and . . Maintenance programs. . or renovatjon operation and wetting agents should be used continually throughout the* work period to ensure that any dry. asbestos- edntairting material exposed in the course of the work is wet and remains Wet until final disposal.. . ' tt? comply with all of the requirements of This appendix describes these controls and Removal ofSnialJ Amount ofAsbe^stosy,. OSHA's final rule for occupational exposure work practices in detail.-; .. Containing Materials *' to asbestos in the construction industry. ' Several methods can be used to remove ' . 8 1926.5fl; H6wever, employers'wishing.to be Preparation of the'Aroa Before Renovation or small amounts of asbestos-containing .exempted from the. requirements1 of . . . Maintenance Activities materials during.small-scale, short-duration ... paragraphs(e)(8).and i0(2}(ii)(fl) of5'19Z6.58. The first step in preparing to perforrii a ' renovation or mSintenahce tasks; These v shall comply/with the provisions of this ' small-scale, short-duration asbestos ; appendix.when performing small-scale, shortdurntion'rcnovation or .maintenance w renovation or maintenance-task, regardless of ' the abatement method that will be used, is: activities. OSHA anticipatesthat employers the removal from the work area of all objects in the electrical, carpentry, utility, plumbing, that.are movable to protect them from and interior construction tradesrh'ay wish to ' asbestos contamination. Objects that cannot avail themselves of the final standard's rbe.removed must be covered completely with exemptions for small-scale, short-duration renovation' and maintenance operations. a;^mil-thick-polyethylene plastic sheeting, beforethe.task begins. If objects have' include the use of glove bags'; the removal of' an entire asbestos-covered pipe or structure, and the coh8tfuctidn of mini-enclo9ures. The procedures-that employers must use for each of these operations if they Wish taavail themselves of the final rule'aexemptions are described in the following sections; GfoveBags Definition of Small-Scale, Short-Duration Activities ` ' ' . For .the purpose's of this appendix, smallscale. short-duration renovation and maintenance act.iyitics are tasks such as. but not limited to:' Removal of asbestos-contuining ... already been contaminated, they should be thoroughly cleaned.with a High Efficiency ' Particulate Air (HEPA) filtered vacuum or be wet wiped before they are removed from the work area or. completely encased in the plastic. Wet Methods As discussed in the Summary and . . Explanation section.of the preamble for. paragraph (g). Methods of Compliance, evidence in the, recordindlcate.that the use of glove bags to enclose the work area during small-scale, short-duration maintenance or' renovation activities will result in employee exposures to asbestos that are below the., . insulation.on.pipes; Whenever feasible, and regardless of the final standard's action level of-o.-l f/cc. This ' Removal of small quantitiesof-asbestos? abatement method to.be used (e,g., removul. appendix provides:requiremehts*for>glove- - containing.insulation on beams or above enclosure, use of glove bags)., wet methods ceilings;.. . . must be used during sm'all.-scaje. short . .Ruplace/nenl of an asbestos-containing duration maintenance and renovation gasket on a valve;. < . . activities that involve disturbing asbestos- . Installation or removalof-a small[ section, . containing materials. Handling asbestos. ofdry.wall:: . .. .` v . . materials wet is one of;the.(h6st-reljable . :..y Installation of electrical conduits through .methods pf ensuring that asbestos'fibers do. or proximate tq asbestos:cqtitaining` not become airborne,-and this practice should bag procedures to be followed by employers wishinglQ ayail.themselves of.the staridurd's exemptions for cach activities. OSHA has ' determined that the use of these procedures willreducethe 6 hour'time weightedaverage (TWA) exposures of employees involved in these work operations tolevels below the ' ' materials. : . therefqre.be used whenever feasible. As action level and will thus'provide a degree of ' Evidence in the record (see the Summary .and Explanation section of the preamble for * paragraph fg). Methods of Compliance.,for. - specific citations) suggests that the use of Certain engineering-and work practice controls is capableofreducirtgemployee.'^ exposures to.asbestos to levels below- tho .-final standard's 8ctioii.level:(0;l.f/cc);-.. H . Several1 controls and work practices; used either.singlyorin combination, cah.bc employed effectively to reduce asbestos . - discussed In tbeSummary and Explanation section of the preamble for paragraph (g).. .Methods of Compliance. Wet .methods can be usedi in the grquit majority of workplace . situaiidn8..bn]y.jn cases where asbestos. .wprkmu8lb.ep.erf6rrhed on liveClectrical - equipment.' on livesleam lines, or in other-. areaswherewater.wiirseriousrydamage .'materials or equipment.may dry removal be performed. .Amended water or another / / . wctting.agent should be applied.by means of an airle'ss sprayer to minimize the extent to employee protection equivalent to that provided by compliance with all provisions of the filial rule.-; s- ; "' Gtove Bag /nsta/Iolion.'Glove bags are approximateiyi4(^inch-wide;ilmes.64-inch:^ . 1ong:bag9 fitted wilh arms through which; the, : work can be performed (see Figure Grl(A)j. =. When properly.inatatied andjused/.they.;.... - permit workers to remain.completely isolated fronMhe asbeatosmtoterial-remoyed or^ - replacedinsidethe bag. Glove bags cari- thiis. -exposures during small-maihtenance.and. ' which the asbesiQSrcqntaining material is . provide a flexibile: easily.installed.and, -.' renovation opera'tions.-'.TKese include: .. * disturbed. !'' ' quickly dismantled tetapprairy small work VVet methods;- .Asbestos-contaming materials should be . area enclosure that.isddeal fqr'amaU-scale ^ -Removal methods': ` V-/ ' -v Wet}edfrbrrt';theihitiationbfthe^mflinferiance asbestos rehbvatidridrrnainteoance jobs^'^'. GLEASON-001033