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RR1000 - Inadvertent operation of controls in excavator plant - insight, analysis and recommendations for prevention by design

There is extensive anecdotal information available, particularly from large construction contractors, which suggests that inadvertent operation of controls (IOOC) on excavators is a significant issue. Any inadvertent operation of excavator controls has the potential to cause serious injury or death; whether or not injury occurs is only a matter of chance. This study was commissioned by HSE to gather evidence in the form of views, experiences and perceptions of both excavator operators, and subject matter experts working for both excavator manufacturers and for a major training provider. The aims of the research were to:

  • Gain insight into the differing ways IOOC might occur;
  • Identify the full range of control measures to prevent or mitigate the impact of IOOC; and
  • Seek expert and end-user views on the likely efficacy of different design control measures.

The research identified that operators perceived IOOC as a problem and it was their view that IOOC risks could be reduced through improved excavator design and the introduction of new technology. They did not see usability, productivity and reliability issues as being barriers to introducing design and technical changes aimed at reducing IOOC risks.

Subject matter experts considered that more could be done to better manage the risks of IOOC using new technical solutions. Some manufacturer based subject matter experts associated the risk of IOCC with operator error and context of use, rather than being additionally linked to control and system design.

Manufacturers are possibly under-utilising the potential of technological, ergonomic and human factors expertise to address IOOC risks.

Visit the RR1000 report (PDF) [12]

Assistance in the use of Adobe Acrobat PDF files is available on our FAQs[13] page.

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  1. Science and Evidencehttps://www.hse.gov.uk/RESEARCH/index.htm
  2. Annual Science Reviewhttps://www.hse.gov.uk/RESEARCH/review.htm
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  7. Coronavirus research reportshttps://www.hse.gov.uk/RESEARCH/coronavirus-science-research.htm
  8. Workplace Health Expert Committee (WHEC)https://www.hse.gov.uk/RESEARCH/workplace-health-expert-committee.htm
  9. Insight researchhttps://www.hse.gov.uk/RESEARCH/insight.htm
  10. Shared research programmehttps://www.hse.gov.uk/RESEARCH/shared-research-programme.htm
  11. HSE: Innovation in Regulationhttps://www.hse.gov.uk/RESEARCH/innovation-in-regulation.htm
  12. Visit the RR1000 reporthttps://www.hse.gov.uk/RESEARCH/rrpdf/rr1000.pdf
  13. FAQshttps://www.hse.gov.uk/faq.htm
  14. Research Reports (RR)https://www.hse.gov.uk/RESEARCH/rrhtm/index.htm
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  16. Find a publicationhttps://www.hsl.gov.uk/resources/hse-science-and-research-publications/
  17. Research report serieshttps://www.hse.gov.uk/RESEARCH/rrhtm/index.htm
  18. Annual Science Reviewhttps://www.hse.gov.uk/RESEARCH/review.htm
  19. HSE Buxton Laboratoryhttps://www.hsl.gov.uk/
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  22. HSE jobshttp://careers.hse.gov.uk/
  23. Chief Scientific Advisershttps://www.gov.uk/government/groups/chief-scientific-advisers
  24. Government Science and Engineeringhttps://www.gov.uk/government/organisations/civil-service-government-science-engineering

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Updated 2021-04-15