Diving operations from vessels operating in dynamically positioned mode
December 2023 Rev. 4.1 – Modifications made to guidance on drift trials & diver recovery trials within Section 11.1.
May 2023 Rev. 4 – Removal of guidance of the safe deployment and tending of diving umbilicals from vessels operating in DP mode. Subject now comprehensively covered in IMCA D078
June 2020 Rev. 3.1 – Minor edits during review
May 2008 Rev. 3 – Increased emphasis of the risks of diving within anchor patterns and other minor updates
July 2000 Rev. 2 – Revised for current practices
January 1998 Rev. 1 – Original document
Contents
- Introduction
- Responsibility and Authority of Personnel
- Safety Management
- Operational and Emergency Event Familiarisation for DPOs Working on DSVs
- Marine Interface
- DP Operations Risk Based Planning and Control
- DP Alert Responses
- Vessel Movement Limitations
- Diving Umbilical Management from Dynamically Positioned Vessels
- Shallow Water
- Diving Within an Anchor Pattern or Close to a Suspended Subsea Asset
- Diving Within a Swing Circle
- Subsea Structures and Wellheads
- References
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