TY  - CONF
TI  - Lean-green supply chain framework for construction using VSM and DES
C1  - Singapore, Singapore
C3  - Proceedings of the 34th Annual Conference of the International Group for Lean Construction (IGLC 34)
SP  - 449
EP  - 460
PY  - 2026
DO  - 10.24928/2026/0164
AU  - Jaiswal, Tushar
AU  - Kadam, Erawati Ravindra
AU  - Francis, Ann
AD  - Assistant Manager, Larsen and Toubro Construction, Chennai, India, tusharjaiswal0108@gmail.
AD  - Ph.D Student, Department of Civil and Environmental Engineering, Indian Institute of Technology Delhi, India, Erawati.Kadam@civil.iitd.ac.in
AD  - Assistant Professor, Department of Civil and Environmental Engineering, Indian Institute of Technology Delhi, India, annfrancis@iitd.ac.in, orcid.org/0000-0002-0273-9883
ED  - Hamzeh, Farook
ED  - Poshdar, Mani
ED  - Garcia-Lopez,, Nelly P.
AB  - Construction supply chains are often affected by inefficiencies, delays, material wastage, and carbon emissions, with implications for both project performance and sustainability. Although lean and green supply chain management (GSCM) approaches have been studied extensively, evidence on their integrated, project-level application in construction remains limited, especially in developing economies. This study proposes a comprehensive framework designed to enhance operational efficiency while promoting sustainability within the construction sector by integrating Lean and GSCM. The framework integrates Value Stream Mapping (VSM) to identify and redesign inefficient processes, with VSM-based Discrete Event Simulation (DES) to quantitatively demonstrate how lean interventions translate into environmental benefits across the construction supply chain. The proposed framework is validated through a real-world case study of a water supply pipeline distribution project in India. The results demonstrate that lean-driven supply chain redesign leads to an 8% reduction in total cycle time and inventory levels, while simultaneously achieving 7% decrease in carbon emissions. The integration of VSM and simulation enables construction practitioners and project managers to evaluate the operational and environmental implications of lean supply chain redesign in advance, reducing implementation risk and supporting informed decision-making at the project level.
KW  - Lean Construction practices
KW  - construction supply chains
KW  - green supply chain management
KW  - Value Stream Mapping
KW  - Discrete Event Simulation.
PB  - 
T2  - Proceedings of the 34th Annual Conference of the International Group for Lean Construction (IGLC 34)
DA  - 2026/06/22
CY  - Singapore, Singapore
L1  - http://iglc.net/Papers/Details/2477/pdf
L2  - http://iglc.net/Papers/Details/2477
N1  - Export Date: 19 June 2026
DB  - IGLC.net
DP  - IGLC
LA  - English
ER  -