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Supervision by the Client of Site Radiography Contractors Why and How?

Learn why and how clients should supervise radiography contractors on site to prevent incidents and ensure safety. Discover responsibilities, benefits, and best practices outlined by the IRID and IAEA Safety Reports.

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Supervision by the Client of Site Radiography Contractors Why and How?

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  1. Supervision by the Client of Site Radiography ContractorsWhy and How?

  2. IRID • 84 cases reported • 26 due to gamma radiography

  3. IAEA Safety Reports No 7 • 43 cases reported • 9 involved public/ other workers

  4. Client Supervision? YES!

  5. Inadequate supervision - Consequences • Large work areas resulting in a lack of access control/ surveillance • Others remaining in the area • Inadequate supervision of the source - theft/ loss • Source remaining on site • Delays

  6. Supervision of contractors - Benefits • Adherence to procedures • Lower doses to radiographers • Restriction of exposure to others • Incidents do not become accidents

  7. Responsibilities - Radiographer • The radiographers do the work! • The radiography company is principally responsible for supervision • Co-operate with site owner to ensure that work area is safe for them to operate in • Restriction of access • Contingency plans

  8. Responsibilities - Client • Liaise with the radiographers • area to be demarcated • access controls • safety considerations (lighting, access etc) • contingency plans • Liaise with others (staff/ contractors) on site

  9. What else can the Client do? • Prior to arrival • Identify who will be doing the work • Confirmation of training (PCN etc) • Safety procedures/ risk assessment • Source/ projection equipment details • Emergency equipment available? • Notification to authorities? • Relevant names (RPA, RPS etc) • Barrier surveillance • Public access?

  10. What else can the Client do? • On arrival • Confirmation of source details etc • Dose rate - container • Emergency equipment? • Radiation monitors, EPD etc? • Barriers/ lights/ notices?

  11. What else can the Client do? • Prior to radiography • Barriers etc correctly set? • Permit to work issued? • After radiography finished • Check dose rate on container (confirm presence of source!) • Container locked?

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