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In this post we have compiled a set of good practices based on our own experiences that in general have worked when we have implemented Lean Construction at the company level. This post summarizes 10 years of experiences and both successes and difficulties have been considered.
The concept of “Big Room”, also known by the Japanese word “Obeya” is linked with the concept of co-location, which in Toyota refers to the practice of locating multidisciplinary teams in the same place to improve communication and creativity.
As a trainer and consultant of Lean Construction, I have always been passionate about the human side of Lean. I have been observing the behaviour of people in a lot of companies regarding the cultural changes that comes with implementing Lean.
According to Tommelein et al.1, workflow can be characterized in several different ways. In manufacturing, it is defined by stationary machines with partially completed products being transported from one to the next. In construction, the products being built tend to be stationary, whereas crews of various trades move from location to location.
Glenn Ballard and Greg Howell developed the Last Planner System of Production Control throughout the 90s1. At the same time, Lauri Koskela was working on developing a theory of production which provided the theoretical framework for the LPS2.
A highly revered ex-Toyota consultant stated that most manufacturers seem focused on achieving a 35 to 40 percent productivity gain over three to five years as a measure of success in their current Lean efforts.