Guidance on the management of the hazard of vessel impact with offshore structures

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  • Published: February 2022
  • REF/ISBN: 9781787252868
  • Edition: 1st
  • Status: Current

This publication provides guidance on the management of the hazard of vessel impact with offshore structures.

This guidance is considered relevant to managing vessel impact hazards with any offshore installation worldwide. The main focus is on vessels that visit/attend/support offshore installations (also known as infield vessels). Examples of the most common visiting vessels to offshore installations are listed here:

  • supply;
  • emergency response and rescue vessel (ERRV) (standby/multirole/watchdog);
  • dive support vessel (DSV);
  • remotely operated vehicle (ROV) support vessel (ROVSV);
  • crew transfer vessel (CTV);
  • walk-to-work (W2W), and
  • other/ad hoc (e.g. inspection, maintenance and repair (IMR), service operation vessel (SOV), surfer).

The guidance is primarily concerned with permanent installations which typically are fixed steel or concrete structures, but could include any type of offshore installation visited by infield oil & gas industry vessels. Much of the guidance is also relevant to managing collision hazards with other offshore installations, such as floating installations (e.g. floating
production storage and offloading (FPSOs)), and mobile offshore drilling units (MODUs), such as semi-submersibles and jack-up rigs, especially where the type and/or size of vessels visiting the installation has changed from those assumed in the original design.

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