Journal of Structural and Construction Engineering

Journal of Structural and Construction Engineering

Modeling Time and Cost Using LPS and VSM Techniques for Linear Project Success

Document Type : Original Article

Authors
Azad Enayati 1
Kamyar Chalaki 2
Amir Asad Nasrizar 3
Adel Fatemy 4
1 PhD student. Department of Civil Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
2 Assistant professor. Department of Industrial Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
3 Assistant professor. Department of Civil Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
4 Associate Professor. Department of Statistics, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
10.22065/jsce.2024.478848.3522
Abstract
Lean construction is one of the most effective modern approaches for reducing project time and costs. In the construction industry, linear projects face challenges due to significant waste and repetitive operational processes, with numerous factors influencing their success. Given that previous studies have rarely examined precise modeling of success factors and their relationship to the performance of linear projects, the primary aim of this research is to model and analyze time and cost factors in linear projects using lean construction techniques—specifically, the Last Planner System (LPS) and Value Stream Mapping (VSM)—to reduce time and cost waste, thereby enhancing performance, reducing risks, and increasing productivity in the lean construction industry. This study, centered on modeling success factors in linear projects, seeks to minimize and eliminate waste. Structural Equation Modeling (SEM) was employed to analyze data and examine the relationship between techniques and project success. The findings demonstrate that implementing the Last Planner System and Value Stream Mapping significantly reduces time and cost waste, ultimately improving project success. These techniques enhance project productivity by optimizing workflows, improving resource management, and reducing unnecessary activities, helping to achieve goals such as timely project completion, cost control, and improved execution quality. Additionally, results indicate that the Last Planner System has a greater impact on reducing time waste, whereas Value Stream Mapping is more effective in reducing cost waste. Finally, this research recommends that clients and project managers of linear projects utilize lean construction techniques to improve overall project performance and increase the likelihood of success.
Keywords
Success of the project
Project waste
Lean Construction techniques
linear projects
structural equation

Subjects

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Journal of Structural and Construction Engineering
Volume 12, Issue 08 - Serial Number 97
November 2025
Pages 166-187

  • Receive Date 16 September 2024
  • Revise Date 01 November 2024
  • Accept Date 30 December 2024