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Integration of risks from multiple hazards into a holistic ALARA/ALARP demonstration.

P A Bryant1,2, J Croft3, P Cole2

  • 1EDF Energy (Nuclear New Build), Bridgewater House, Counterslip, Bristol, United Kingdom, BS1 6BX.

Journal of Radiological Protection : Official Journal of the Society for Radiological Protection
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Summary

This paper introduces a new framework for integrated hazard risk assessment, moving beyond isolated evaluations. It addresses challenges in demonstrating risks are As Low As Reasonably Achievable (ALARA) or As Low As Is Reasonably Practicable (ALARP).

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Area of Science:

  • Occupational Health and Safety
  • Risk Management
  • Environmental Science

Background:

  • The principle of As Low As Reasonable Achievable (ALARA) originated in radiological protection but is now applied to all hazards in the UK.
  • Current hazard assessment methods are often isolated, making a holistic risk view difficult.
  • UK regulations require risks to be reduced to ALARA or As Low As Is Reasonably Practicable (ALARP).

Purpose of the Study:

  • To propose a framework for the integrated assessment of risks from multiple hazards.
  • To address the challenge of demonstrating holistic risk reduction to ALARA/ALARP levels.
  • To provide an overview of challenges in achieving a comprehensive ALARA demonstration.

Main Methods:

  • Development of a proposed framework for integrated risk assessment.
  • Review of current methodologies for hazard assessment.
  • Analysis of challenges in holistic risk management.

Main Results:

  • A framework for integrated multi-hazard risk assessment is presented.
  • Key challenges in demonstrating holistic ALARA/ALARP compliance are identified.
  • The need for a unified approach to risk assessment is highlighted.

Conclusions:

  • Integrated risk assessment is crucial for meeting ALARA/ALARP requirements.
  • The proposed framework offers a pathway towards more holistic risk management.
  • Addressing identified challenges is essential for effective implementation of ALARA principles.