Logo - Prévenir les risques professionnels avant d’intervenir en espace clos (E.CLOS)



The instructions and information provided in this tool were written by occupational health and safety researchers, with the help of a grant from the IRSST as part of the research project Development of a Confined Space Risk Analysis and Work Categorization Tool (R-955).

  • Damien Burlet-Vienney, IRSST
  • Brigitte Roberge, IRSST
  • Yuvin Chinniah, École Polytechnique de Montréal
  • Ali Bahloul, IRSST

Other scientific publications

Burlet-Vienney, D., Chinniah, Y., Bahloul, A. The Need for a Comprehensive Approach to Managing Confined Space Entry: Summary of the Literature and Recommendations for Next Steps, Journal of Occupational and Environmental Hygiene, Vol. 11, No. 7 (2014), pp. 485–498. DOI:10.1080/15459624.2013.877589

Burlet-Vienney, D., Chinniah, Y., Bahloul, A., and Roberge, B. Occupational Safety during Interventions in Confined Spaces, Safety Science, Vol. 79, No. 11 (2015), pp. 19–28. DOI:10.1016/j.ssci.2015.05.003

Burlet-Vienney, D., Chinniah, Y., Bahloul, A., and Roberge, B. Design and application of a 5-step risk assessment tool for confined space entries, Safety Science, Vol. 80, No. 12 (2015), pp. 144–155. DOI:10.1016/j.ssci.2015.07.022

Burlet-Vienney, D., Chinniah, Y., Bahloul, A. and Roberge, B. Risk analysis for confined space entries: Critical analysis of four tools applied to three risk scenarios, Journal of Occupational and Environmental Hygiene, Vol. 13, No. 6 (2016), pp. D99–D108. DOI:10.1080/15459624.2016.1143949


We would like to thank the people and organizations that sat on the monitoring committee for the development of this tool: Elsa Dagenais, Via prévention; Caroline Godin, Multi Prévention; François R. Granger, CNESST; Élaine Guénette, APSAM; Charbel Mouawad, ASFETM; Mireille Pelletier, CSN; Pascal Rousseau and Philippe Rouleau, PréviBois; Bernard Teasdale, ASP Construction. Their contributions were extremely valuable and much appreciated.


Marie-France d’Amours and Linda Savoie, IRSST


Ameziane Meddour, IRSST

Graphics and web design



Isabelle Vézina, IRSST


James Cookson and Karin Montin


The authors disclaim all liability associated with the use that may be made of any part of the tool and Web pages referred to.

Questions and comments

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