Diving operations from vessels operating in dynamically positioned mode
- Recommended Practice
- Revision 4.1 - December 2023
This document provides comprehensive guidelines for diving operations from vessels operating in a dynamically positioned (DP) mode, focusing on safety, responsibilities, and operational procedures.
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
Revision
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Rev. 4.1 - December 2023Modifications made to guidance on drift trials & diver recovery trials within Section 11.1
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Rev. 4 - May 2023Removal of guidance of the safe deployment and tending of diving umbilicals from vessels operating in DP mode. Subject now comprehensively covered in IMCA D078
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Rev. 3 - May 2008Increased emphasis of the risks of diving within anchor patterns and other minor updates
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Rev. 2 - July 2000Revised for current practices
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Rev. - January 1998Initial publication