https://doi.org/10.24928/2025/0228
Good Safety, Health, and Quality Performances in Construction Industry: MRT Jakarta Phase 2 CP203 Through Best 5S Practices
Andung Damar Sasongko1, Mardiansyah2, Rizky Agung Saputra3, Aliset Sebayang4, Rias Nur Wulandari5, Amy R. Widyastuti6 & Roberto Prans7
1Executive Vice President Quality, Health, Safety, Security and Environment, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0008-3675-59622Executive Vice President Human Capital, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0005-4040-5542
3Executive Vice President General Civil, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0001-5801-6262
4Project Manager MRT Jakarta Phase 2 CP203, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0008-0464-9807
5Vice President Health, Safety, Security and Environment, PT. Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0005-7091-4590
6Vice President of Digital Construction, Engineering, & Information Technology, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0006-7600-6064
7Senior Analyst Health, Safety, Security and Environment, PT Hutama Karya (Persero), Jakarta, Indonesia, [email protected], orcid.org/0009-0006-3233-7793
Abstract
The construction industry in Indonesia has experienced significant growth in recent years. One of the major ongoing projects is the Jakarta MRT Phase 2, which extends from the already operational Phase 1, spanning approximately 16 kilometers since March 2019. Phase 2 is divided into two segments, 2A and 2B, with CP203 being part of Phase 2A. This study focused on implementing high discipline standards through the 5S methodology to enhance safety, health, and quality performance. Prior to the implementation of 5S in 2022, Extra-Process (39%) and Defect (29%) were the most common waste types occurred. However, as of January 2025, these issues have been completely eliminated. Awareness campaigns and management training have contributed to the development of an activity tracker, further strengthening the progress achieved. With a workforce of 754 individuals, including contractors and consultants, and a project duration of 1,165 days, the initiative has successfully maintained a record of 1,165 days without any lost time incidents or reported cases. The findings demonstrate 5S’s effectiveness in minimizing waste and mitigating risks while aligning with Lean principles to optimize “Safety, health, and quality.”
Keywords
Safety, Health, and Quality, 5S, Lean principles
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Reference in APA 7th edition format:
Sasongko, A. D., Mardiansyah, , Saputra, R. A., Sebayang, A., Wulandari, R. N., Widyastuti, A. R. & Prans, R.. (2025). Good Safety, Health, and Quality Performances in Construction Industry: MRT Jakarta Phase 2 CP203 Through Best 5S Practices. In Seppänen, O., Koskela, L., & Murata , K. (Eds.), Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) (pp. 1070–1080). https://doi.org/10.24928/2025/0228
Shortened reference for use in IGLC papers:
Sasongko, A. D., Mardiansyah, , Saputra, R. A., Sebayang, A., Wulandari, R. N., Widyastuti, A. R. & Prans, R.. (2025). Good Safety, Health, and Quality Performances in Construction Industry: MRT Jakarta Phase 2 CP203 Through Best 5S Practices. IGLC33. https://doi.org/10.24928/2025/0228
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