Guidance on the use of inert gas

  • Recommended Practice
  • Revision 0.1 - February 2024

This document provides guidance on the use of inert gas in offshore diving operations, emphasising safety measures and recommendations.

Contents

  • Background

  • Aims

  • Application

  • Recommendations 

    • Diving Depths and Oxygen Percentages 

    • Calibration Gases 

    • Gas Analysis and Monitoring 

    • Marking and Colour Coding of Cylinders  

    • Use of Entirely Inert Gases Considered Essential for Operational Reasons 

    • Entirely Inert Gas Use during Periodic Leak Testing of Saturation Diving Systems 

    • Permit-to-Work Systems for the Use of Entirely Inert Gas(es) During Diving Operations 

    • The Use of Diving Gases Containing a Minimal Quantity of Oxygen 

  • References


Revision

  • Rev. 0.1 - February 2024
    Updating page 2, reference links and bookmarking; no change to content
  • Rev. - July 2022
    Updated and issued as IMCA D070
  • Rev. - February 1986
    Initial publication as AODC 038