Human Resource Competence, Spare Part Procurement Lead Time, and Operational Smoothness at PT Wahana Bara Sentosa
DOI:
https://doi.org/10.65575/mqrx8872Abstract
Background
The availability of spare parts is a critical factor in maintaining the operational reliability of heavy equipment in mining companies. Delays in spare part procurement may extend lead time, increase downtime, reduce mechanical availability, and disrupt production targets. In this context, human resource competence plays an important role in ensuring that procurement activities are carried out accurately, quickly, and effectively.
Objectives
This study aimed to analyze the role of human resource competence in influencing spare part procurement lead time and its impact on operational smoothness at PT Wahana Bara Sentosa.
Methods
This study used a descriptive qualitative approach. Data were collected through observation, semi-structured interviews, and documentation. The informants consisted of personnel directly involved in spare part procurement and operational activities, including procurement supervisors, maintenance planners, mechanics, warehouse controllers, operational supervisors, and production superintendents. Data were analyzed through data reduction, data display, and conclusion drawing.
Results
The findings showed that human resource competence affected the effectiveness of spare part procurement. Technical competence helped reduce errors in spare part identification, digital competence supported the use of ERP and e-procurement systems, analytical competence improved demand planning, negotiation competence influenced vendor response time, and managerial competence strengthened coordination across departments. The main factors causing long procurement lead time included layered PR–PO administration, slow vendor response, long-distance delivery, and weak planning of critical spare parts. Long lead time contributed to increased equipment downtime, reduced mechanical availability and physical availability, delayed hauling activities, and higher operational costs.
Conclusion
Human resource competence has an important role in reducing spare part procurement lead time and improving operational smoothness at PT Wahana Bara Sentosa. Strengthening technical, digital, analytical, negotiation, and managerial competencies is necessary to improve procurement responsiveness, reduce downtime, and support more efficient mining operations.
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Copyright (c) 2026 Arda Prameswari, Trisninawati, I Bagus Endrawan (Author)
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