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    • Introduction

    • Purpose of Course

    • Course Approval

    • Course Format

    • Admission Requirements for Trainees

    • Learning Objectives and Course Syllabus

    • Facilities, Course Equipment and Student Materials

    • Course Instructors

    • Trainee Assessment and Certification

    • References

    • Appendices

      • Evidence Portfolio

      • Simulator Portfolio

      • Example Trainee Certificate

      • IMCA Guide to Live Online Training

    Date: Reason: Revision:
    Date:March 2025 Reason:Addition of Appendix 4 – IMCA Guide to Online Training Revision:Rev. 4.9
    Date:November 2024 Reason:Removed sole use of Class 1 & 2A from training equipment, reworded Section 4.0 Revision:Rev. 4.8
    Date:September 2024 Reason:Itemised simulator components added, and changed section 10 to appendix 1 Revision:Rev. 4.7
    Date:July 2024 Reason:Requirements for hybrid training delivery amended in section 4 and to section 10 tables Revision:Rev. 4.6
    Date:February 2024 Reason:Online training removed from options Revision:Rev. 4.5
    Date:August 2023 Reason:Minor revision to section 10 tables Revision:Rev. 4.4
    Date:June 2023 Reason:Minor update to section 5.1 Revision:Rev. 4.3
    Date:February 2023 Reason:Minor revision to section 10 tables Revision:Rev. 4.2
    Date:January 2023 Reason:Section 10 - Updated guidance on evidence portfolio requirements Revision:Rev. 4.1
    Date:November 2022 Reason:Restructured to reflect IMCA G010 and training course approval scheme Revision:Rev. 4
    Date:July 1996 Reason:Initial publication Revision:Rev. 0

    • Introduction 

    • Glossary 

    • Principles of Isolation 

    • Flowline/Manifold/Tree and Wellhead Systems 

    • Subsea Control and Umbilical Systems 

    • Isolation Flowchart and Isolations Summary Table 

    • Typical System Drawings 

    • References

    Date: Reason: Revision:
    Date:March 2025 Reason:Page 2, reference links & bookmarking updated; no change to technical content Revision:Rev. 0.1
    Date:October 2009 Reason:Initial publication Revision:Rev.
    Date: Reason: Revision:Rev.
  • Date: Reason: Revision:
    Date:March 2025 Reason:Links updated Revision:Rev. 0.3
    Date:March 2024 Reason:Update of page 2, document categorisation, and layout; no change to technical content Revision:Rev. 0.2
    Date:March 2022 Reason:Minor edit to Section 3.5 Revision:Rev. 0.1
    Date:May 2019 Reason:Initial publication Revision:Rev.

  • Summary of the 18th Intersessional Working Group on the Reduction of Greenhouse Gases from Ships (ISWG_GHG 18)

    As IMO moves to finalise the legal requirements in a new Chapter (Chapter 5) of MARPOL Annex VI entitled ‘Regulations on the IMO net-zero framework’ required to implement the revised GHG Strategy, several meetings are scheduled this year (see timeline below), the first of which being the 18th session of the Intersessional Working Group on Green House Gases (ISWG-GHG 18) which is summarised in this Information Note.

    February 2025


    Information Note

    Other

    • Background

    • IMCA’s Position on DDCs

    • Application

    • Project Planning

    • Roles and Responsibilities

    • Third Party Hyperbaric Facilities

    • Familiarisation, Drills and Exercises

    • DDC: Technical Specifications

    • Medical Support and Equipment

    • Next of Kin, Family, and Media Liaison in the Event of an Incident

    • Annex 1 – Example of a Generic DDC Checklist

    Date: Reason: Revision:
    Date:February 2025 Reason:Initial publication Revision:Rev.
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Our Guidance documents are categorised as follows:

  • Code of Practice – Its uniform application is recognised as essential for the safe and efficient conduct of marine contracting projects. IMCA expects the highest level of compliance with this category from its Members.

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  • Informative Guidance – Its application is recognised as useful for the safe and efficient conduct of marine contracting projects. IMCA expects its Members to take appropriate account when planning, managing, and conducting their marine contracting projects.

Our Information Notes covering safety, technical, regulatory, commercial and various other issues relevant to its Members. Non-members can explore a small number of individual articles deemed of broader industry interest.

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