The impact of 5s + 1s methodology on occupational health and safety

Joana P. R. Fernandes, Radu Godina, Carina Pimentel, João C. O. Matias

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


The research community agrees there is an interrelation between lean manufacturing system 5S tool and workplace organization, organizational performance, and waste elimination, among others. However, the relationship between the 5S tool and Safety is scarcely explored in the literature and since evidences from practice exist, it is important to turn it into a pertinent research topic. Therefore, the current chapter explores how the implementation of 5S can contribute to the occupational safety conditions through a case study made at an industrial unit of one of the largest European car producers. The study was focused on the company’s sorting process. Through this case study it could be demonstrated that apart from other quite well-known benefits of 5S, it is also essential to ensure the occupational safety. This conclusion is supported by a risk assessment analysis applied right before and right after the 5S implementation in which a decrease of 64% of the risk quantification could be reached.

Original languageEnglish
Title of host publicationLean Manufacturing: Implementation, Opportunities and Challenges
PublisherNova Science Publishers
Number of pages22
ISBN (Electronic)9781536157260
Publication statusPublished - 1 Jan 2019


  • 6S
  • Automotive industry
  • Case study
  • Lean manufacturing
  • Occupational safety
  • Risk assessment
  • Sorting process


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