Evaluating The Efficacy Of A Dedicated Last Planner (R) System Facilitator To Enhance Construction Productivity
CONSTRUCTION ECONOMICS AND BUILDING(2021)
摘要
Construction unknowingly plans for poor levels of productivity with substantial waste, inefficiency, and rework stemming from a proliferation of non-value adding activities embedded within traditional delivery processes. This approach negatively influences construction's economic and environmental sustainability. Last Planner (R) System (LPS) is a key tool of Lean Construction (LC) and is lauded as a value-add process that prioritises flow efficiency by addressing workflow variability and waste elimination on construction projects. This research evaluates how the presence of a dedicated knowledgeable and competent LPS Facilitator, enabling a complete LPS implementation, contributes to improved construction flow, efficiency, and productivity.The study adopted a mixed-methods approach utilising case study design and data collected from a literature review, site observation diary, site documentation analysis, and semi-structured interviews. Limitations exist around small survey size, lack of generalisability, and potential bias of researchers. Findings posit considerable productivity increase; more reliable, predictable, and stable workflow; enhanced team collaboration; as well as accrual of safety, quality, cost, and schedule benefits. Embedding a knowledgeable and competent LPS Facilitator appears to assist successful implementation of LPS with sectoral and societal value-add opportunities.
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关键词
Lean Construction, Last Planner System, Facilitator, Collaboration, Mindset
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