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Authorised Gas Tester Training - Level 1

OPITO Approved

Entry Criteria:     All existing and prospective delegates required to visit an offshore oil gas installation

Course Duration:     1.5 Days



Course Description

The authorised gas tester (AGT) role is critical in testing for and ensuring safe working atmospheres, in particular: permit controlled confined spaces, and prior to and during hot work. The tasks authorised gas testers are required to undertake may vary depending on the workplace operation at the time. The tasks also vary in complexity and responsibility. Therefore, the AGT role has been split into three levels, they are: AGT Level 1, AGT Level 2 and AGT Level 3.

AGT Level 1 is required for those involved with performing a test for oxygen, flammable and toxic gases up to and including working in confined spaces. Persons undertaking Standby/Safety Watch duties at the entrance to a confined space shall be an AGT Level 1 Gas Tester.

Course Objectives

The aim and objectives of the AGT Level 1 training programme is to ensure that personnel preparing for a gas tester role are equipped with the knowledge to conduct gas tests for oxygen levels, flammable and toxic gases safely. This training programme also equips the participants with knowledge to conduct gas testing within confined spaces and awareness of associated confined space hazards.

On successful completion of the training, the participants will be able to demonstrate an understanding of:

  1. Confined space criteria
  2. The hazards of operations within an oxygen deficient, toxic or flammable environment
  3. Carrying out a suitable and sufficient risk assessment
  4. Using safe systems of work
  5. The implications of organisational and statutory requirements
  6. Interpreting operational requirements
  7. Selecting and using PPE and RPE
  8. Working within the Permit to Work system
  9. The operating principles of atmosphere monitoring and measuring equipment
  10. Gas detector pre-start checks
  11. Calibrating the instruments used in atmospheric testing
  12. How to set up the relevant detector for each gas testing application
  13. The behaviour of different flammable and toxic gases
  14. The range and frequency of tests
  15. Acceptable levels of flammable and toxic gases
  16. Performing gas tests in sequence
  17. Obtaining a representative atmosphere sample
  18. Monitoring and retesting
  19. Where to site ongoing monitoring equipment
  20. Interpreting and documenting the results





Please find below the list of documents required to get on the first day of the course.
  1. Passport copy / driving license / govt. Issued personal ID card
  2. 2 passport size photos (on white background)
  3. Approved offshore medical certificate
  4. OPITO courses, if any