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CANDU Pressure Tube Integrity Assessment

Dates & Locations


    ​The purpose of this seminar is to provide an overview of the life-limiting issues in CANDU reactor pressure tubes and how they are managed through a process of inspection, materials surveillance and an emphasis on the assessment hydride crack initiation risk.

    Download Course Outline

    Course Outline

    Fuel Channel Basics

    • Fuel Channel Design
    • Pressure Tube Manufacture
    • In-Service Degradation Mechanisms
      • Deuterium Ingress
      • Crack Initiation
      • Deformation
    • Inspection and surveillance

    CSA N285.8 and Practical Applications Detail

    • Historical Background
    • Contents Overview
    • Evaluation of Blunt Flaws for Delayed Hydride Cracking (DHC)
    • Fatigue Crack Initiation
    • Hydrided Region Overload
    • Probabilistic Assessment
    • Leak before Break


    • Proposed 2010 addendum
    • Fuel Channel Life Cycle Management​

    Who Should Attend

    ​The ideal participants for this seminar include:
    CANDU station Technical Staff responsible for:
    • fuel channel life cycle management
    • periodic inspection
    • pressure boundary regulatory interface
    • operations and maintenance
    Technical specialists providing:
    • Research and Development
    • Engineering Analysis support

    Key Benefits

    Gain an understanding of:

    • CANDU Fuel Channel Technical Issues
    • Pressure Tube “fitness-for-service” assessment methodologies


    • David Graham P.Eng, MESc, MBA

      Technical Director – Structural Integrity

      Generation Life Cycle Management​


    Contact Training

    Training Locations

    • Head Office

      800 Kipling Ave., Unit 2
      Toronto, Ontario, M8Z 5G5




    • Pickering

      940 Brock Road, Unit 11
      Pickering, Ontario, L1W 2A1