https://doi.org/10.24928/2024/0135
Automated Data Capture and Analysis to Detect Process Waste in Interior Finishing Work
Ashan Senel Asmone1, Danny Murguia2, Asitha Rathnayake3 & Campbell Middleton4
1Research Associate, Department of Engineering, University of Cambridge, UK, [email protected], orcid.org/0000-0002-2173-38902Senior Research Associate, Department of Engineering, University of Cambridge, UK, [email protected], orcid.org/0000-0003-1009-4058
3PhD Candidate, Department of Engineering, University of Cambridge, UK, [email protected], orcid.org/0000-0002-1389-7801
4Professor, Department of Engineering, University of Cambridge, UK, [email protected], orcid.org/0000-0002-9672-0680
Abstract
Detecting process waste in complex production systems is still a challenge in construction projects. The integration of lean construction with automated data capturing technologies presents an opportunity to timely detect process waste and steer projects towards targets. By using vision-based technology for automated progress monitoring in a residential building, this study examines interior finishing work activities through the lenses of process/location flow and operations/trade flow. Location-based management tools (flowlines and line-of-balance) were used to visualise the data. Results showed that planned production deviated from actuals in all activities. Significant variability was observed within the completion of each activity at each location. The ratio between average production rate and exemplar performance indicated a missed opportunity to improve project performance. Resultantly, several waste types were identified including inefficient work, space not being worked in, unnecessary movement of people and unnecessary transportation of materials. The ability to actively pinpoint process waste provides managers with a granular understanding of inefficiencies, enabling targeted interventions to enhance productivity and reduce waste. The findings support that automated data capturing and analytics through the lenses of lean construction is a useful strategy to inform construction programmes to be more realistic, improving upon efficiency and waste reduction.
Keywords
Flow, process, waste, location-based management (LBM), work in progress/process (WIP).
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Reference
Asmone, A. S. , Murguia, D. , Rathnayake, A. & Middleton, C. 2024. Automated Data Capture and Analysis to Detect Process Waste in Interior Finishing Work, Proceedings of the 32nd Annual Conference of the International Group for Lean Construction (IGLC 32) , 660-671. doi.org/10.24928/2024/0135
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