Provide risk assessments for nuclear safety cases

Overview & Purpose

What This Standard Covers

This NOS outlines the process for conducting risk assessments within nuclear safety cases, ensuring that all relevant data and assessments are integrated. It is aimed at individuals involved in drafting or contributing to safety cases, emphasizing the importance of adhering to safety standards and operational procedures.

Performance Criteria

• Review outcomes of relevant consequence and frequency assessments
• Define the scope of the risk assessment in the context of the safety case
• Select and justify appropriate risk assessment methods
• Obtain and collate relevant data using appropriate sources
• Identify applicable risk criteria for the assessment
• Calculate and quantify risks associated with nuclear activities
• Compare risks against established criteria to determine acceptability
• Assess results against ALARP (As Low As Reasonably Practicable) principles
• Identify methods for managing residual risks and propose mitigation strategies
• Explain uncertainties and limitations of the risk assessment results
• Comply with regulations and record actions and outcomes appropriately

Knowledge & Understanding Requirements

• Understanding of ALARP assessment and principles
• Effective communication and presentation skills
• Hazard and risk assessment methodologies
• Health and safety requirements
• Human factors influencing safety
• Risk criteria at international, national, and organizational levels
• Overview of nuclear facilities, materials, and processes
• Knowledge of organizational structures and procedures
• Types and sources of radiation hazards
• Various risk assessment methods
• Safety case design and preparation protocols
• Relevant statutory requirements and regulations

Relevent Roles

• Safety case writers
• Risk assessors
• Safety engineers
• Safety and assurance professionals
• Nuclear safety analysts