Assessment of permit-to-work (PTW) system in a pipeline operator company / Fadiyatul Nabilah Abu Bakar

Fadiyatul Nabilah, Abu Bakar (2017) Assessment of permit-to-work (PTW) system in a pipeline operator company / Fadiyatul Nabilah Abu Bakar. Masters thesis, University of Malaya.

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Abstract

Permit-to-work (PTW) is an essential part of safe system of work where it control the risk and hazard of work activities to prevent incident from happening during particular task. Non-compliance in PTW reflect negligence of operators on safety management during work and also lack of operator safety supervision on contractor during work. For this purpose, PTW system audit has been conducted to identify compliance of the permit to work, concurrently with a survey by using a set of questionnaire to evaluate the awareness level of staffs. The study revealed respectively similar trend of PTW compliance in 2015 and 2016 which is 86.33% and 87.83%. However, it declined to 81% in 2017. In the minute scale, Hand back section was found to be critical non-compliance in the range of 8% and 27% throughout three years. Survey results shows average of 86% of respondents are understand the procedures and requirement in PTW. In the part of hot work and gas testing requirement, only 17% to 20% of respondents know the requirement of hot work permit. In the implementation of current PTW system, 63% respondents are not sure that the system is able to prevent hazard on the site effectively and 50% said they are not sure the current system is easy to use. Based on the results obtained, it showed that the potential factors of non-compliance of PTW occurred due to human behavior, system design and management commitment.

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