Lean Construction

Lean construction is a methodology to design systems to minimize the waste of materials, time, and effort on a construction project. There are significant differences between lean construction (LC) and the traditional project management (PMI) approach. Some of these include:

  • In lean construction, optimization efforts focus on making work flow reliable (Ballard, LPDS, 2000). In contrast PMI focuses on improving productivity of each activity which can introduce errors and reduce quality; which in turn results in rework.
  • The project is structured and managed as a value generating process. LC define value as satisfying customer requirements while PMI considers value to be less cost.
  • Managing the interaction between activities and the combined effects of dependence and variation is a key concern in lean construction. In contrast, these interactions are not considered in PMI.

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