Inspecting Major Hazard Leadership and Investigating Leadership
Failures in Major Accidents

This Delivery Guide (DG) is part of the COMAH Competent Authority’s (CA)strategy for encouraging strong leadership and preventing major accidentsin major hazard industries. It underpins…
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Inspecting Major Hazard Leadership and Investigating Leadership
Failures in Major Accidents

This Delivery Guide (DG) is part of the COMAH Competent Authority’s (CA)
strategy for encouraging strong leadership and preventing major accidents
in major hazard industries. It underpins the CA’s programme for ensuring
effective major hazard leadership in preventing, controlling and mitigating
major accidents.

  1. The guide covers the background and arrangements for inspection and
    investigation of leadership. A separate Major Hazard Leadership
    Intervention Tool provides the principles to use when engaging with senior
    leaders.
  2. This guidance sets out a framework for:
    a) inspecting aspects of major hazard leadership (MHL) at senior
    levels in companies; and
    b) investigating leadership failures at senior levels following a major
    accident.
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