KASAWARI DESIGN HSE CASE

The Design HSE Case for Sarawak Riser Platform A (SKR-A), Pipelines and Host Tie-in (GTI) was developed to demonstrate that the design and installation of the facilities is safe for the intended operations.

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A structured Hazard and Effects Management Process (HEMP) during the design phase of the facilities has been conducted to assess and address management of Major Accident Hazards (MAH); and also, to demonstrate that the risks have been actively reduced to As Low As Reasonably Practicable (ALARP). 

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A comprehensive technical assessment was undertaken for each of the MAH, addressing the threats, likelihood, consequences and providing the required barriers. A series of Formal Safety Assessment (FSA) i.e. HAZID, HAZOP, Bowtie assessment, IPF, FEA, EERA, EESA, SGIA, TRIA, Thermal Radiation, Gas Dispersion & Plume Study, QRA (including Dropped Object Analysis), HFE, H2S Area Classification and ALARP review were performed during the FEED stage to ensure that the prescribed risk/ safety criteria are met. All these were consolidated to form the Design HSE Case in accordance with PETRONAS E&P Guideline.

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The identified MAHs for the SKR-A platform were assessed utilizing the Bowtie diagrams. The Safety Critical Element (SCE) categories that fit into the general barrier groups were identified and their appropriateness assessed against the relevant Bowtie threats, to prevent or mitigate the effects of MAHs.

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Performance Standards were also developed as part of Design HSE Case for all the SCEs. These Performance Standards would be the parameter that are measured or assessed so that the suitability and effectiveness of each SCE can be assured and verified.