Authors : Philbert Nsabimana; Dr. Luqman Afolabi; Tunezerwe Emmanuel

Volume/Issue : Volume 11 - 2026, Issue 8 - August

Google Scholar : https://tinyurl.com/km4jr7b5

DOI : https://doi.org/10.38124/ijisrt/26aug1385

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

Abstract : This study examined the effect of Total Quality Management (TQM) on the performance of the Karenge Water Treatment Plant Expansion Project in Rwanda. Specifically, it assessed the effects of quality planning, quality assurance, and quality control on project performance. The study adopted descriptive and correlational research designs and used a quantitative approach. The target population comprised 175 respondents who were selected using the census method. Data were collected through structured questionnaires, of which 169 were completed and returned, representing a response rate of 96.6%. Data were analyzed using descriptive and inferential statistics. The regression results revealed that quality planning positively influenced project performance, with a one-unit increase resulting in a 0.090-unit increase in performance. Quality assurance also had a positive effect, producing a 0.029-unit increase in project performance, while quality control recorded the strongest contribution, with a 0.526-unit increase. The regression model explained 34.3% of the variation in project performance, and the overall model was statistically significant. The study concluded that quality planning, quality assurance, and quality control contributed positively to the performance of the Karenge Water Treatment Plant Expansion Project, with quality control making the strongest unique contribution. The study recommended updating project quality management plans, establishing clear acceptance criteria and inspection schedules, conducting periodic independent quality assurance reviews, strengthening personnel training and document control, and consistently applying approved inspection and testing procedures to improve project performance.

Keywords : Total Quality Management, Quality Planning, Quality Assurance, Quality Control, Project Performance.

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