The process of leaving an offshore installation in the event that part, or all, of an evacuation and / or communication system fails, whereby personnel on the MODU make their way directly to the sea.

Source: International Association of Drilling Contractors, Appendix 2 to Health, Safety and Environment Case Guidelines for Offshore Drilling Contractors, Issue 3.3.2, February 2010. IADC Guidelines



Act of personnel moving away from a hazardous event to a place where its effects are reduced or removed.

Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards

Source: ISO 15544:2000, Petroleum and natural gas industries – Offshore production installations – Requirements and guidelines for emergency. Global Standards


Escape means the process of leaving the installation in an emergency when the evacuation system has failed; it may involve entering the sea directly and is a ‘last resort’ method of getting persons off the installation.

Source: Prevention of Fire and Explosion, and Emergency Response on Offshore Installations, Offshore Installations (Prevention of Fire and Explosion, and Emergency Response) Regulations 1995, Approved Code of Practice and guidance (UK HSE L65), Second Edition, 1997. Regulatory Guidance


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