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Recommended Practice for Fixed Offshore Installations

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This Recommended Practice (RP) replaces the existing Rules and Regulations for the Classification of Fixed Offshore Installations 1989 (amendments 2000) and is applicable to offshore installations engaged in offshore operations including drilling,oil/gas production and storage, accommodation and other support functions.

This RP is applicable to fixed offshore installations/platforms (a structure that is bottom founded and transfers all actions on it to the seabed) and that operate at a fixed geographic location for their entire service life. A typical offshore installation/platform consists of jacket, topside decks, piles and conductors; the RP does not apply to floating facilities to which other LR Rules are applicable.

Sections include:

  • Introduction
  • Abbreviations
  • Existing guidance on collision assessment
  • Risk assessment
    • Risk assessment process
    • Visiting vessel collisions – supply vessels
    • Visiting vessel collisions – standby vessels
    • Visiting vessel collisions – shuttle tankers
    • Permanently moored vessel collisions – storage vessels
    • Passing merchant vessel collisions
    • Fishing vessel collisions
    • Collisions between floating and fixed installations
    • Naval and submarine collisions
    • Risk analysis of grounding
    • Collision consequences - generic
    • Establishing the risk picture
    • Evaluation of risk
  • Numerical analysis
    • Establishing Collision Scenarios
    • Collision Mechanics
    • Technical Approach to Modelling & Analysis
    • Results and Deliverables
    • Presentation to Class
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