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

https://doi.org/10.24928/2025/0248

Application of Cause Mapping Method in a Building Project with Prefabricated Slabs

Mauricio A. Melgar-Morales1, Sulyn Gomez Villanueva2 & Saul Ortiz Foglia3

1Student Researcher, Faculty of Civil Engineering, Universidad Nacional de Ingeniería, Lima, Peru, [email protected], orcid.org/0009-0007-6491-4134
2Quality Leader, DPR Construction, Redwood City, USA, [email protected], orcid.org/0000-0003-2367-9880
3Lean Construction Consultant, JOF Consultores, [email protected], orcid.org/0009-0003-7485-4746

Abstract

This paper explores the application of the Cause Mapping method in a building project with prefabricated slabs in Lima, Peru. Cause Mapping is a root cause analysis technique based on the principle that a "root cause" is typically a system of interconnected factors rather than a single issue. In this case study, the method is used to identify, analyze, and propose solutions to the most recurrent quality defects observed in prefabricated slabs. Common defects identified are fissures in the slabs, misalignments in the modulation with respect to the plans, and incorrectly positioned or non-existent installation points. The study uses interviews and documentary analysis in projects of the construction company under study. The results show that many of the defects arise from discrepancies in the design drawings, manual processes in non-mechanized plants and communication problems between the parties involved. As a response, the study proposes optimizing preconstruction processes, strengthening design review protocols, and promoting the adoption of advanced technologies. A noted limitation of the study is that quality defect data were sourced from company records, which may contain inaccuracies or incomplete information. Future research could benefit from broader data samples and an expanded focus to include other scopes of work.

Keywords

Cause Mapping, prefabrication, root cause analysis, defects, quality issues.

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Reference in APA 7th edition format:

Melgar-Morales, M. A., Villanueva, S. G. & Foglia, S. O.. (2025). Application of Cause Mapping Method in a Building Project with Prefabricated Slabs. In Seppänen, O., Koskela, L., & Murata , K. (Eds.), Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) (pp. 739–750). https://doi.org/10.24928/2025/0248

Shortened reference for use in IGLC papers:

Melgar-Morales, M. A., Villanueva, S. G. & Foglia, S. O.. (2025). Application of Cause Mapping Method in a Building Project with Prefabricated Slabs. IGLC33. https://doi.org/10.24928/2025/0248

 

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