LEAN AND SUSTAINABLE MANUFACTURING IN AGGREGATE PRODUCTION: A CASE STUDY

Aylín PUPO PÉREZ, Luminita PARV, Gheorghe OANCEA

Abstract


This study analyzes aggregate production at Mill 1 by integrating value stream mapping with sustainability indicators to address capacity underutilization and resource inefficiency. The analysis identifies key challenges such as excessive energy consumption, high sludge generation, aging technology, and downtime. To mitigate the identified issues, the study proposes strategies such as predictive maintenance, optimized conveyor scheduling, screening automation, and improved resource management. These improvements are expected to significantly increase operational efficiency, reduce environmental impact, and improve worker safety, ultimately contributing to a more sustainable production of building materials. The resulting framework is replicable and applicable to other intensive resource industries.

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