Find out more about the types of IMCA documents and our definitions

    • Scope 

    • Definitions 

    • Introduction 

    • Equipment 

    • Protection of Personnel 

    • Operational Procedures

    • Avoidance of Accidents during Underwater HP and UHP Water Jetting Operations 

    • References 

    • Appendix 1 - Diving Medical Advisory Committee Recommendation: Accidents with High Pressure Water Jets 

    • Appendix 2 - Advice to Attending Medic or Doctor 

    • Appendix 3 - Useful Contacts

    • Appendix 4 - Extract from IMCA Safety Flash 05/11: Diver Safety – High Pressure Water Jetting Operations 

    • Appendix 5 - Extract from IMCA Safety Flash 06/07: Diver Injury Using Cavitation Blaster

    Date: Reason: Revision:
    Date:November 2023 Reason:Page 2, references and bookmarking updated; no change to content Revision:Rev. 1.2
    Date:October 2021 Reason:Minor additions to guidance Revision:Rev. 1.1
    Date:July 2013 Reason:Updated to incorporate ultra-high pressure jetting equipment & two safety flashes Revision:Rev. 1
    Date:August 1998 Reason:Initial publication Revision:Rev.