Authors : Given Mushipi; Lynne Kazembe

Volume/Issue : Volume 11 - 2026, Issue 2 - February

Google Scholar : https://tinyurl.com/3n467sxb

Scribd : https://tinyurl.com/5e7w8tu4

DOI : https://doi.org/10.38124/ijisrt/26feb359

Note : A published paper may take 4-5 working days from the publication date to appear in PlumX Metrics, Semantic Scholar, and ResearchGate.

Abstract : Sustainable procurement has become a critical component of supply chain management, driven by the need to balance economic performance with environmental and social responsibility. In the mining sector, where operations significantly impact local communities and ecosystems, integrating sustainable practices into procurement processes is essential. This study examines the effectiveness of sustainable procurement strategies within the project supply chain of Lumwana Mining Company. A case study exploratory research design was adopted, using a mixed methodology for primary data collection and analysis. The collected data was entered and analyzed using STATA software. Descriptive statistics such as frequencies, percentages, and means were used to summarize the findings, while Chi-square tests was applied to determine the association between recruitment strategies and employee performance outcomes. Lumwana Mining Company implements a range of sustainable procurement strategies across its project supply chain. Mixed sourcing is the most common method, complemented by local, regional, and international sourcing. Supplier selection prioritizes cost, quality, and sustainability, with safety and environmental certifications emphasized. Framework contracts dominate long-term supply, while recycling, waste reduction, and energy efficiency practices are applied with varying consistency. Digital tracking and site checks monitor supplier compliance, though reporting and standards are not uniformly enforced. These strategies improve delivery time, cost control, stock availability, communication, waste reduction, supplier responsiveness, risk management, tracking, compliance, and internal coordination. Key barriers to effectiveness include cost, limited skills and equipment, slow approvals, weak systems, data gaps, operational constraints, and contract or supplier issues, which collectively hinder adoption, execution, monitoring, evaluation, and supplier engagement in sustainable practices. The study concludes that Lumwana Mining Company has made significant progress in implementing sustainable procurement strategies, with mixed and local sourcing, framework contracts, digital monitoring, and recycling initiatives contributing to improved delivery, cost control, stock availability, communication, waste reduction, and supplier responsiveness. To enhance outcomes, the company should prioritize strengthening digital and procedural systems, enforce consistent environmental and energy standards, expand supplier training programs, foster closer local sourcing partnerships, and allocate sufficient resources to overcome financial and operational barriers, ensuring sustainable procurement practices fully support project efficiency and supply chain resilience.

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