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Process safety is a dicipline that framework for managing the integrity of operating system and processes handling hazardous substances. In the process industry, asset integrity is a major concern. Failure of eqiupment are observed as fundamental contributory issues in the large number of accidents in the process facilities. Asset integrity management in the process industry is carried out by ensuring the adequacy and relibility of the protection layer. Determination of the protection layer equipment adequation is done by calculating SIL (Safety Integrity Level) of a safety instrumented function. Two widely used methods in the Oil & Gas industry for SIL determination are Risk Graphs and Layer of Protection Analysis (LOPA). Analysis both Risk Graph and LOPA methods is performed to understand what factors should be considered in SIL determination study with both methods. The research was conducted by conducting analyze of primary data through SIL study workshop and secondary data by reviewing several related internation journals. The results of this research are the explanation of the advantages and limitations of both methods and the modification of the Risk Graph method and combination to other SIL determination methods (semi quantitative and quantitative) as the initial screening.
All risk management activities always focus on activities to reduce or minimize risks. Many risk analysis methods are used when applying risk management in work-related activities Layer of Protection Analysis (LOPA) analysis is one of the semi-quantitative risk analysis methods in risk management aimed at reducing or reducing risk by formulating a protective layer that will be used to reduce the risk level. LOPA is determined by three main factors, namely: Scenario Determination, Initiating Event Selection, and Independent Protection Layer Selection. PT X and PT Y are one of the chemical process industries selected for their LOPA study. The background of the election of PT X and PT Y is because both companies have similar characteristics to the burning fuel terminal in Buncefield tragedy The results showed that the risk reduction of both companies was different, although the scenario and the Independent Layer Protection (IPL) involved were identical. This difference is because both companies have different rules of IPL treatment program. PT X has a more stringent treatment program regulation than PT Y. All programs aimed at maintaining customs will increase the risk reduction value by a factor of 10. Validation and ITPM (Inspection, Testing and Preventive Maintenance) is one of the steps that can be used to enlarge the Risk Reduction of LOPA study results.
This thesis discussed the potential and risks of fire on workers in the offshore platform oil and gas production caused by hydrocarbons hazard by identifying those hazard. Hazard calculation was conducted in order to find out the specific location which has potential risk, then calculated individual risk per annum (IRPA) surveillance followed by the final results of the Potential Loss of Live (PLL). These results compared to criteria or standards and determine the position of workers was in ALARP condition or not. This research was a quantitative risk assessment with descriptive design. The results of this study gave recommendation to company for maintain programs and activities that always prevent fires even though the CB platform is within the acceptable region. Alert to the hazard of hydrocarbons, increased awareness of workers at workplace, checking and monitor hazards, and always follow working procedure.
Tesis ini membahas tentang penilaian risiko yang dilakukan di Stasiun Pengumpul Gas Y PT X. Metode penilaiaan risikonya menggunakan penggabungan 2 (dua) analisis yaitu analisis risiko proses melalui metode Hazops dan analisis risiko peralatan melalui metode risk based inspection (RBI). Penelitian ini adalah penelitian observational dengan pendekatan analisis risiko semikuantitatif. Hasil penelitian ini memberikan gambaran tingkat risiko proses dan peralatan di Stasiun Pengumpul Gas Y, dimana tingkat risiko tertinggi ada pada proses dan peralatan tanki penampung kondensat. Tingkat risiko tersebut diperoleh dari kombinasi kemungkinan kejadian (likelihood) dan konsekuensi/keparahan dampak (severity). Selain itu dihasilkan butir-butir rekomendasi untuk mengendalikan risiko sampai pada risiko yang dapat diterima. Kata kunci : Risiko, likelihood, severity/konsekuensi.
The focus of this research is risk assessment carried out at Gas Gathering Station Y in PT X. Risk assessment method applied are combination between process hazard analysis by using Hazops method and equipment risk analysis by using risk based inspection (RBI) method. The research is observational by semiquantitative analysis approach. The research gives description regarding process and equipment risk level at Gas Gathering Station Y, which is the highest risk level is on the process and equipment named condensate storage tank. Risk level is calculated by combining likelihood and severity/consequence value. The research also recommend several risks control to reduce risk to be acceptable risk. Key words : Risk, likelihood, severity/consequence.
In the 2006 2025 national energy management blueprint, Indonesia is moving towards energy independence where the state will be present in providing energy at a reasonable price for the community. In 2018, the government, through a business plan to provide electricity until 2025, plans to increase power generation capacity to 56,024 MW. PT Indonesia Power is a subsidiary of PT PLN (Persero) which is engaged in power generation. In managing generator assets, PT Indonesia Power implements an integrated risk management policy. However, until now there has been no study or policy that analyzes the safety factors of power plant buildings. In conducting a building safety assessment, there are several methods that can be used. Among them are ISRS 7th, NFPA 5000, and Permen PU 29 of 2006. Based on the analysis of the assessment method, it was found that the level of suitability of emergency facilities was 91.6%, hazard early warning was 100%, inter-floor installation was 86.6%, fire fighting was 62.9%, ventilation was 100%, and hygiene facilities were 80%. These results are obtained by combining the three assessment methods
Globally, the mining industry has long been considered one of the most dangerous industries with great health and safety risks to its workers. The frequency of work accidents can be prevented by planning, implementing and monitoring Occupational Safety and Health (K3) in the workplace as well as the behavior of workers in particular and the community in general, who are starting to realize the importance of implementing OSH norms in the workplace. Maturity level of safety culture (safety maturity level) is very important for the prevention of unsafe behavior, especially various industrial sectors with high rates of injury and death. This concept aims to assist organizations in determining the maturity level of their current safety culture and identify the actions needed to improve their safety culture, so that the dimensions and aspects of safety culture need to be improved . The purpose of this study is to design a cultural measurement instrument that is appropriate to the conditions in the PT. XYZ with 10 research variables commitment & support, Leadership, policy & strategy, engagement & involvement, value, safety cost, competency & training, information & communication and safety performance, measured safety culture at PT. XYZ is based on a safety culture maturity level model, and looks at the relationship between safety culture dimensions. The method used in this study is a mix method, quantitative and literature study to select the dimensions of safety culture which are used as research variables with research sample of 123 people. The results were analyzed using Structural Equation Modeling (SEM). The results of the study show that the assessment of the safety maturity level with 10 (ten) dimensions of safety culture at PT. XYZ is at point 3.56 (Compliant to Proactive), there are 9 (nine) hypotheses that can be accepted, there is a significant relationship between Leadership (L) and Policy & Strategy (PS), Policy & Strategy (PS) dimension with Safety Cost (SC), Commitment & Support (CS) dimension with Process (P), Leadership dimension (L) with Engagement & Involvement (EI), Safety Cost dimension (SC) with Competency & Training (CT), Process dimension (P) with Information & Communication (IC), Engagement & Involvement (EI) dimension with Value (V), Competency & Training (CT) dimension with Safety Performance (SP) , Value (V) with Safety Performance (SP) and 1 hypothesis which is not accepted, there is no significant relationship between Information & Communication (IC) and Safety Performance (SP) dimensions.
