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Beyond the Concept of Lean Construction: A Prescriptive Rationalizing Model for Pipe Systems Manufacturing in a Petro-chemical Plant.

. The economic importance of the Construction Industry (CI) is overshadowed not only by several difficulties but by the lack of innovation in this sector. Notwithstanding that construction and manufactures are part of Industrial Activity; CI does not share the systemic progress of the latter. This research con-firms the possibility in CI to increase its efficiency. The main purpose is to de-velop an operational system that facilitates the rational management of the industrial construction (IC) value chain. The lead researcher designed a software-in-terface link that allows the transformation of a traditional constructive process into a rational and systematic industrial one. As a result, all areas involved in the construction chain are harmoniously integrated; the whole decision-making process is facilitated by determining what is to be designed, purchased, procured and manufactured and its usefulness for previous and subsequent activities. Both project management and construction benefit from operational costs and inventory reduction as well as opportunity-cost mitigation. The software facilitates project simulation by ordering the isometric drawings of a piping system in an industrial project; timely information allows for more rational decisions about design, pur-chases, manufacturing, procurement and forecasting overall efficiency in the project. The construction value chain benefits from the application of Supply Chain Management (SCM) and Lean Construction techniques (LC), based on information management and automation. The investigation uses the method of Action Research (AR) for conducting both a professional and a subsequent academic project in the field. The availability of the computer program allowed the relevant simulations in the professional and academic projects. An integral IC process is modelled and simulated, as applied to a real-life pipe installation in a Mexican Petro-chemical plant. CI requires new operational practices so that con-structors can rationalize costs, improve quality and reduce delivery times by means of processes control. The proposed construction model can be used to achieve these goals. The study evidences the pertinence and potential benefits of introducing SCM and LC techniques in core areas of IC.