33rd Annual Conference of the International Group for Lean Construction (IGLC 33) - Osaka and Kyoto, Japan - 2025

https://doi.org/10.24928/2025/0209

Continous Improvement of the Digital Last Planner System Whiteboard

Ergo Pikas1, Rasmus Jaagant2 & Lauri Koskela3

1Assistant Professor, Department of Civil Engineering and Architecture, School of Engineering, Tallinn University of Technology, Tallinn, Estonia, [email protected], orcid.org/0000-0001-5691-685X
2Site Engineer, Mapri Ehitus OÜ, Tartu, Estonia,
3A Professor, Department of Civil Engineering and Architecture, School of Engineering, Tallinn University of Technology, Tallinn, Estonia, orcid.org/0000-0003-4449-2281.

Abstract

The first paper on this iterative action research was published in 2022, describing the digital Last Planner System (LPS) whiteboard concept and prototype development, and evaluation. The aim of this subsequent research iteration is the continuous improvement of the implementation of the proposed digital LPS whiteboard for design process planning and control. Using the action research methodology in collaboration with Estonian design firms, challenges were identified through the observation of two design projects, and solutions were proposed, implemented and evaluated within a third project. Nine problems were identified in managing design processes and in utilizing the digital LPS whiteboard. They fall into three areas: (1) individuals and motivation, (2) process and time management, and (3) the digital LPS's collaboration board. Four improvements were suggested, implemented and evaluated: (1) a standardized process for digital LPS implementation; (2) identifying causes of design task delays; (3) designer specific KanBan view; and (4) automating the preparation of meeting minutes, which provide information on project status, decisions, and visual performance metrics. The results indicate that these improvements increase the reliability of collaborative design planning and control.

Keywords

Lean design management, Last Planner System, digital Last Planner System whiteboard, continuous improvement.

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Reference in APA 7th edition format:

Pikas, E., Jaagant, R. & Koskela, L.. (2025). Continous Improvement of the Digital Last Planner System Whiteboard. In Seppänen, O., Koskela, L., & Murata , K. (Eds.), Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) (pp. 846–856). https://doi.org/10.24928/2025/0209

Shortened reference for use in IGLC papers:

Pikas, E., Jaagant, R. & Koskela, L.. (2025). Continous Improvement of the Digital Last Planner System Whiteboard. IGLC33. https://doi.org/10.24928/2025/0209

 

Founded in 1993, the IGLC is an international network of researchers from practice and academia in architecture, engineering, and construction (AEC) who feel that the practice, education, and research of the AEC industry have to be radically renewed in order to respond to the global challenges ahead.

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