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COMAH Onshore Major Hazards: Predictive Aspects of COMAH


This course is intended for risk assessment specialists and 'intelligent customers' who buy in risk assessment services. It gives an overview of the requirements for the predictive (risk assessment) aspects of a safety report under the Control of Major Accident Hazard Regulations (COMAH) from the point of view of safety.  Information assessed, during both the early predictive assessment and the full assessment, are explained. Common pitfalls and ways to avoid them will be identified. The course gives an overview of different risk assessment approaches, and explains how the approach needs to be selected to be proportionate to the risk.

It is delivered by experienced safety report assessors, and from the point of view of the requirements of the regulator.

The course will cover:

  • The purposes of a COMAH risk assessment
  • Proportionality
  • Key information to include (Schedule 3 of COMAH)
  • Structure of the risk assessment
  • Risk matrix and QRA approaches
  • Input data and uncertainty
  • ALARP demonstration

Who should attend?

Safety professionals and managers who are involved in the co-ordination, writing or updating of COMAH safety reports. Consultants who provide assistance with safety reports.

Comments & Feedback

"I really valued the course and shall be recommending it to colleagues involved in this activity."

Richard Homan, Esso Petroleum Company UK Ltd.


The course will be run at the HSE Science and Research Centre in the spa town of Buxton. Buxton is in the heart of the Peak District and has good links to mainline train stations and Manchester International Airport. This course can be run at your site or local area by arrangement.

Details of hotels in the Buxton area can be found at


£1,175 per person (includes course notes, lunch and refreshments).

Please note that all courses must be paid for via credit card at the time of booking.

This course can also be delivered in-company, please contact us to discuss your requirements.

Telephone: +44 (0)203 028 3704

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