https://doi.org/10.24928/2020/0069
How Does Takt Production Contribute to Trade Flow in Construction?
Pekka Kujansuu1, Joonas Lehtovaara2, Saara Salerto3, Olli Seppänen4 & Antti Peltokorpi5
1Development Engineer, Skanska Oy, Finland, [email protected], orcid.org/0000-0002- 5672-11012Doctoral Candidate, Department of Civil Engineering, Aalto University, Finland, [email protected], orcid.org/0000-0002-4761-3811
3Site Supervisor, Skanska Oy, Finland, [email protected], orcid.org/0000-0001-8222-5470
4Associate professor, Department of Civil Engineering, Aalto University, Finland, [email protected], orcid.org/0000-0002-2008-5924
5Assistant Professor, Department of Civil Engineering, Aalto University, Finland, [email protected], orcid.org/0000-0002-7939-6612
Abstract
Takt production has gained increased attention over the past decade inside the Lean Construction community. Several case studies have shown that implementing takt has positive effects on construction production, increasing flow by decreasing various types of waste. However, evidence on how takt production actually affects the flow of trades has been contradictory. The purpose of this study is to gain a better understanding of how implementing takt production, which heavily focuses on improving the flow of processes, affects the flow of trades. This was conducted as a single case study. We collected and analyzed 650 hours of video material by observing one takt area over a period of six weeks, in addition to document observation and nine semi-structured interviews, including general contractor and trade partner personnel. We then classified and analyzed the results in light of propositions based on a literature review. Lastly, we drew our conclusions regarding what effects takt implementation has on trade flow. The observations showed that even though the beginnings of the takt production resembled the traditional firefighting way of working, this more structured method stabilized production and positively impacted trade flow.
Keywords
Flow, takt production, waste, trade flow
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Reference
Kujansuu, P. , Lehtovaara, J. , Salerto, S. , Seppänen, O. & Peltokorpi, A. 2020. How Does Takt Production Contribute to Trade Flow in Construction? , Proc. 28th Annual Conference of the International Group for Lean Construction (IGLC) , 445-454. doi.org/10.24928/2020/0069
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