24th Annual Conference of the International Group for Lean Construction - Boston, Massachusetts, USA - 2016

Takt Time Planning of Interiors on a Pre-Cast Hospital Project

Adam G. Frandson1 & Iris D. Tommelein2

1Adam Frandson, PhD Candidate, Civil and Envir. Engrg. Dept., Univ. of California, Berkeley, CA, USA, [email protected]
22Professor, Civil and Envir. Engrg. Dept., and Director, Project Production Systems Lab., Univ. of California, Berkeley, CA 94720-1712, USA, [email protected]

Abstract

This research presents a case study of Takt time planning developed for interior construction in a healthcare facility in Sacramento, California. This research uses design science to test the method of Takt time planning and answer the research question: how does a team develop a Takt time plan and what challenges exist during plan execution? Data was collected from a project, where one of the researchers worked the entire time during the planning and execution of the work. Evidence for the claims come directly from the scheduling data. The purpose of this research is to improve upon current practices of planning and project delivery during the interior phase of hospital construction. Findings from the research reveal how the Takt time planning process can help improve construction schedules with (1) smaller batches of work and/or (2) an improved understanding of the work contents. However, executing to a Takt time plan requires rapid feedback and problem solving in order to maintain the plan, depending on the pace of the job. As such, all aspects of the production system need to be aligned in order for a Takt time plan to be executed successfully. A limitation to the research is that it comes from a single case study. The implications from the research are that there may be types of projects or phases of projects where buffering with capacity alone may not make sense during interior construction, and early schedule data collected within the Last Planner system may provide that indication. The research contributes new research questions regarding the relationship between non-field and field production. The research also contributes insight into how to apply Takt time planning on a project.

Keywords

Takt time planning, Production Planning and Control

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Reference

Frandson, A. G. & Tommelein, I. D. 2016. Takt Time Planning of Interiors on a Pre-Cast Hospital Project, 24th Annual Conference of the International Group for Lean Construction , 143-152. doi.org/

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