Pull vs. Push in Construction Work Informed by Last Planner

Bo Terje Kalsaas1, John Skaar2 & Rein Terje Thorstensen3

1Professor, Dr.Ing School of Business and Law, Department of working life and innovation, University of Agder, 4846 Grimstad, Norway, Mobile +4797082582, e-mail: bo.t.kalsaas@uia.no
2Lean Manager, Skanska Norway, 0271 Oslo, Norway, Mobile +4745869178, email: john.skaar@skanska.no
3Senior lecturer, Department of Engineering Sciences, University of Agder, 4846 Grimstad, Norway, Mobile +4790932669, e-mail: rein.t.thorstensen@uia.no.

Abstract

The Last Planner System (LPS) is widely characterized as a pull system. In this paper the authors question if this characterization is correct. The authors argue that LPS applies a combination of pull scheduling and push control at the shop floor level. Line of balance and Takt-time Planning are also discussed. There are no findings that support that these techniques applied in combination with LPS change the authors’ main conclusion. The goal of this paper is to provide a better understanding of LPS and to contribute to the discussion of pull-push. The authors agree that pull may not always be the best option. The authors argue that choosing pull, push or a combination of the principles should be based on the production dynamic in question

Keywords

Pull & push, Last Planner System (LPS), Line of Balance, Location-based management systems (LBMS), Takt-time planning (TTP).

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Reference

Kalsaas, B.T. , Skaar, J. & Thorstensen, R.T. 2015, 'Pull vs. Push in Construction Work Informed by Last Planner' In:, Seppänen, O., González, V.A. & Arroyo, P., 23rd Annual Conference of the International Group for Lean Construction. Perth, Australia, 29-31 Jul 2015. pp 103-112

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