Ergonomic Tetrapod Reduces The MSDs risk and Productivity of Steel-bar Assembly for Reinforcement Concrete Beams

Sudiajeng, Lilik and Tarwaka, Tarwaka and Sutapa, I Ketut and Sudana, Made and Yusuf, Muhammad (2023) Ergonomic Tetrapod Reduces The MSDs risk and Productivity of Steel-bar Assembly for Reinforcement Concrete Beams. International research journal of engineering, IT & scientific research, 9 (1). pp. 1-13. ISSN 2454-2261

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Abstract

The digitalization of construction has been carried out to meet the demands of the industrial era 4.0. However, there is still a lot of construction work that is performed manually, such as the steel-bar assembly for reinforced concrete beams. Based on the 2019 ILO report, it can be seen that fatal work-related illnesses reached 86%, much higher than work accidents, which was 14%. Of the various fatal illnesses due to work, MSDs require the highest health compensation costs, which reach 40%. The previous study showed that the steel-bar assembly was done in an awkward working posture (squatting, bending, twisting repeatedly) with a high risk of MSDs (Rula score: 7) and needs improvement immediately. This research was conducted through an experiment with a pre-posttest control group design. The specific target of this research is to reduce the MSDs risk and increase productivity by supporting the workers with the ergonomic tetrapod as the working table. The subjects were two groups of students at the Civil Engineering Department Politeknik Negeri Bali, with 14 students in each group. Group 1 (P1) as the control group performs the tasks with the original working condition and group 2 (P2) as the treatment group performs the tasks with the new working condition, supported by the tetrapod as a working table.

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