Risk Assessment On Combined Cycle Power Plant Mechanical Maintenanance

Hawford Harold, Sinpong (2015) Risk Assessment On Combined Cycle Power Plant Mechanical Maintenanance. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This study is subjected to investigate risk and hazard exposed by employee of mechanical maintenance department at the combined cycle power plant as well as to assess risk probability and to study risk management of boiler, gas turbine and water treatment plant maintenance activities at Kota Kinabalu Industrial Park (KKIP), Sabah. The assessment was conducted based on HIRARC method which typically used to identify hazards that will cause a threat to the operation and maintenance of the plant. Three main stations were chosen for the study site in the combined cycle power plant which were the boiler, gas – turbine and water treatment plant stations. Risk and hazard were determined based on these three stations during the maintenance activities. The survey was conducted by work place inspection scheme method that including interview, task observation, reviewing standard operation procedure (SOP) as well as accident and incident investigation. The hazards identification was analysed through risk evaluation based on likelihood and severity of the hazards. A total of thirty-one hazards were identified in the combined cycle power plant at the three stations maintenance activities. The data acquired was summarized and categorized into three levels which were high, medium and low risks. Generally, 6% of the hazards identified were at low risk, 84% at medium and 10 % at high risk. In addition, 88.2% of the hazards were at medium risk at the gas-turbine station as well as at the boiler and water treatment plant stations with 85.7% and 71.4% of the hazards were at medium risk. From the results, the preventive or control measure such as elimination, substitution, engineering and administrative control as well as personal protective equipment (PPE) were recommended.

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