Journal article

Comparing point-to-point precedence relations and location-based management system in Last Planner System: A housing project of highly repetitive processes case study

Case study Flow Last planner Peru

A comprehensive production system is needed to enhance the flow operations during the works. In this context, the Last Planner System (LPS) is one of the Lean tools used more often in project management for construction, and in doing so, tries to offset the limitations of the Critical Path Method (CPM). Many tools and techniques have been correctly integrated into the LPS area, some of them required to analyze the task continuity. Over the last years, in the case of housing projects of highly repetitive processes, finding the optimal activity train, hand-offs and milestones using Location-Based Management System (LBMS) was a solution. On the other hand, research about Point-to-point Precedence Relation (PTPPR) exhibited that the main finding is that newly developed point-to-point relations are better from a theoretical and practical point of view than the solutions based on traditional precedence relationships, but they still cannot provide a theoretical perfect solution. The purpose of this paper is to analyze the use of LBMS and PTPPR in housing projects of highly repetitive processes. The research strategy is the case study. Information of a building built in Peru was studied. The first phase is a data collection through direct observation and analysis of documents to describe the work structuring, planning and control. The second phase is the application, analysis and comparison of LBMS and PTPPR. The research method has certain limitations. The results might be biased for the regional behaviour of planners. The main outcome of the paper is that it provides pros and cons of both methods.

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