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Project IRSST
 | Comparative evaluation of the lockout programs and procedures applied to industrial machinesYuvin Chinniah,
Mathieu Champoux,
Réal Bourbonnière,
Renaud Daigle
/ IRSST
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0099-4500 : Completed
Lockout reduces the risks posed by maintenance, repair and unjamming work on industrial machines. The CSST recently indicated that 5,225 accidents, six of which are fatal, still occur annually during the execution of such work on machines that are improperly or not locked out. Canadian standard CSA Z460-05 defines lockout as the placement, in accordance with an established procedure, of a lock or tag on a machine’s energy-isolating device in order to indicate that it must not be operated until the lock or tag is removed. According to the Regulation respecting occupational health and safety, workers who perform maintenance, repair or unjamming tasks in the danger zone of one of these machines must apply this process. This report shows that publications give different meanings or definitions to lockout, that the legal requirements on this subject vary by Canadian province and by country, that there are normative differences in this respect, that the lockout programs in books and guides differ, and finally, that Québec establishments have programs with regulatory or normative deficiencies. This study, which will help companies wanting to draw up or carry out a lockout program be better equipped, will open the way to subsequent research on the application of lockout in industry.
Following this project, a technical fact sheet was developed to provide companies with a simple and practical means of verifying the content of their lockout programs.
IRSST publicationsBurlet-Vienney, Damien; Jocelyn, Sabrina; Chinniah, Yuvin; Daigle, Renaud; Massé, SergeVerifying the Content of Lockout ProgramsStudies and Research Projects / Technical Data Sheet
RF-635, Montréal, IRSST, 2010, 48 pages. Free download
More Info
Burlet-Vienney, Damien; Jocelyn, Sabrina; Chinniah, Yuvin; Daigle, Renaud; Massé, SergeVérification du contenu d’un programme de cadenassage
(Verifying the content of lockout programs)
Études et recherches / Fiche technique
RF-617, Montréal, IRSST, 2009, 48 pages. Free download
More Info
Chinniah, Yuvin; Champoux, Mathieu; Burlet-Vienney, Damien; Daigle, RenaudAnalyse comparative des programmes et des procédures de cadenassage appliqués aux machines industrielles
(Comparative analysis of lockout programs and procedures applied to industrial machines)
Études et recherches / Rapport
R-587, Montréal, IRSST, 2008, 77 pages. Free download
More Info
Chinniah, Yuvin; Champoux, Mathieu; Burlet-Vienney, Damien; Daigle, RenaudComparative Analysis of Lockout Programs and Procedures Applied to Industrial MachinesStudies and Research Projects / Report
R-575, Montréal, IRSST, 2008, 70 pages. Free download
More Info
Scientific publications and communicationsBourbonnière R.
Présentation sur l'analyse du risque, atelier d'une journée sur la norme CSA Z460 sur le cadenassage
in North-American Robot Safety Conference, (March 21, 2005 : Etobicoke, Canada), 2005.
Chinniah Y.
Safety of workers during maintenance of machines, equipment and processes: a canadian perspective
in International Congress on Condition Monitoring and Diagnostic Engineering Management / COMADEM, (23rd : June 28-July 2, 2010 : Nara, Japan), 2010, p. 871-878.
Chinniah Y.
Comparative analysis of lockout programs and procedures applied to industrial machines
in Imagine, Innovate and Inspire : Health & Safety Canada 2009 - IAPA Conference & Trade Show (April 20-22, 2009 : Toronto, Canada), 2009.
Chinniah Y.,
Burlet-Vienney D.,
Champoux M.,
Daigle R.
Analyse comparative des programmes et procédures de cadenassage (consignation) appliqués aux machines industrielles Download
839 Ko
in L’interopérabilité et l’intégration : 8e Congrès international de génie industriel / CIGI (8e : 10-12 juin, 2009 : Bagnières de Bigorre, France), 2009.
Chinniah Y.,
Burlet-Vienney D.,
Daigle R.
Étude comparative des règlements, normes et documents d'entreprises québécoise sur le cadenassage
Travail et santé, vol. 25, no 4, 2009, p. S23-S27.
Prévention au travail articles
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