34th Annual Conference of the International Group for Lean Construction (IGLC 34) - Singapore, Singapore - 2026

https://doi.org/10.24928/2026/0272

Toward an industry standard for LPS maturity using a company-grounded framework

Guillermo Prado Lujan1 & Nick Loughrin2

1Production Manager, Project Delivery Services, The Boldt Company, San Francisco, California, USA, [email protected], orcid.org/0000-0002-5325-1132
2Corporate Director of Project Delivery Services, Project Delivery Services, The Boldt Company, Appleton, Wisconsin, USA, [email protected]

Abstract

Lean Construction maturity frameworks have been widely used to assess the implementation of Lean and the Last Planner® System (LPS); however, most approaches emphasize diagnostic evaluation of practices rather than the development of enterprise production strategy. This paper addresses this limitation by proposing an initial, practitioner-grounded outline of a company-level LPS maturity framework. The study adopts an inductive, empirically grounded approach based on the Boldt Production System (BPS) as a reference case. First, existing Lean Construction and LPS maturity frameworks are comparatively analysed to identify their primary purposes, structures, and measurement focus. Second, key omissions are identified from a company-level perspective, particularly the limited integration of estimating, production system design, execution control, and organizational learning. Third, insights from this analysis and the BPS case are synthesized into a structured set of maturity dimensions that conceptualize LPS maturity as an integrated organizational capability. The contribution is a conceptual starting point for reframing maturity beyond implementation quality toward enterprise production strategy, providing a foundation for future validation and refinement.

Keywords

Last Planner System, lean construction, maturity framework, production system design.

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Reference in APA 7th edition format:

Lujan, G. P. & Loughrin, N.. (2026). Toward an industry standard for LPS maturity using a company-grounded framework. In Hamzeh, F., Poshdar, M., & Garcia-Lopez,, N. P. (Eds.), Proceedings of the 34th Annual Conference of the International Group for Lean Construction (IGLC 34) (pp. 1773–1784). https://doi.org/10.24928/2026/0272

Shortened reference for use in IGLC papers:

Lujan, G. P. & Loughrin, N.. (2026). Toward an industry standard for LPS maturity using a company-grounded framework. IGLC34. https://doi.org/10.24928/2026/0272

 

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