Synergy performed a Quantitative Risk Assessment (QRA) for the Etan FPSO, quantifying the risks to personnel due to Major Accident Events (MAEs) during normal operations. The work scope included:
1) Estimation of the probability of fatality arising from MAEs on the FPSO
2) Estimation of Individual Risk Per Annum (IRPA) and Potential Loss of Life (PLL) from hydrocarbon hazards (topside, riser and pipeline releases) and non-hydrocarbon hazards (Helicopter accidents, structural failures, ship collisions, dropped objects and occupational hazards).
3) Evaluation of the overall IRPA and PLL values for personnel working on the FPSO.
4) Evaluation of the quantified risk levels against the stipulated Risk Acceptance Criteria to ensure that the risks to personnel are within acceptance levels