Abstract
This study addresses a risk assessment at terminal facility of petrochemical company. Hazards are identified using HAZOP (hazard and operability) while the frequency of hazard is conducted by means of fault tree and event tree analysis. The consequence of hazards is analyzed using process hazard analysis tools and risk is represented in F-N curve according to Hongkong Government Risk Guidelines (HKRG). Five leak diameter scenarios were examined resulting that two hazards are potentially occur during the ammonia loading process such as gas dispersion and explosion. According to the result of frequency and consequence analysis, those hazards is laid in ALARP (as low as reasonably practicable) region, hence there is no mitigation necessarily to be taken. However, for the safe operation, the company should ensure that the risks will not move to unacceptable region by performing routine maintenance and all safety procedures established by the company were well implemented.
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More From: BAITA Engineering: Journal of Naval Architecture and Marine Engineering
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