https://doi.org/10.24928/2017/0271

Collaborative Takt Time Planning of Non-Repetitive Work

Iris D. Tommelein¹

Abstract

This paper describes an approach for takt time planning (TTP) that was developed and tested on a pilot project in California. A companion paper by other authors describes their approach for TTP that they applied in a different project type-, commercial-, and geographical context. The aim of these papers is to articulate TTP methods used so as to allow for comparison, refinement, and improvement. The here-described approach was piloted on the gut-and-remodel of a small healthcare project. The owner chose to deliver this project using an Integrated Form of Agreement (IFOA) contract. Accordingly, the project team members working together as trade partners were driven to explore opportunities to use lean practices. The researchers offered the IFOA team an action research opportunity to study together, not so much if-, but rather how takt time might be used to plan and execute their work because, at first glance, units of repetitive work were not obvious. The researchers embedded with the team developed a TTP approach on the basis of “work density” and then successfully used it on two project phases. The contribution of this paper is that it presents a characterization and proposes a formalization of a method for collaborative TTP of non-repetitive work. This may inform the use of TTP on other projects, as well as serve as a basis for comparing and contrasting takt time- and other planning methods.

Keywords

Lean construction, collaborative planning, takt time planning (TTP), work structuring, work density, Last Planner System (LPS)

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Reference

Tommelein, I. D. 2017. Collaborative Takt Time Planning of Non-Repetitive Work, 25th Annual Conference of the International Group for Lean Construction , 745-752. doi.org/10.24928/2017/0271

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