Fit for Purpose

‘Fit for purpose’ means able to perform intended functions. Intended functions include drilling in case of drilling rigs, and top side facilities in case of production well / process  platforms. OISD guidance notes for fit for purpose certification of MODU are placed at annexure-4.

Source: Guidance Notes on Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, Oil Industry Safety Directorate (India), 2012. Regulatory Guidance


Meeting the intent of an International Standard although not meeting specific provisions of that International Standard in local areas, such that failure in these areas will not cause unacceptable risk to life-safety or the environment. [ISO 19900:2002].

Source: ISO 19901-7:2013, Petroleum and natural gas industries – Specific requirements for offshore structures – Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units. Global Standards

Source: ISO 19900:2013, Petroleum and natural gas industries – General requirements for offshore structures. Global Standards

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