Effect of Adoption of Green Construction Practices on Sustainability of Public Infrastructure Projects in Rwanda: A Case of Kigali Green Complex, City of Kigali

The study examines the effect of adopting green construction practices on the sustainability of public infrastructure projects in Rwanda, focusing on the Kigali Green Complex as a case study. The general objective was to assess how integrated green practices influence environmental sustainability, while specific objectives explored the contributions of energy-efficient building systems, renewable energy technologies, sustainable water management practices, and low-carbon construction materials. The research employed a mixed-methods approach using a descriptive and correlational research design. The study population was 212 stakeholders while sample size was 139 respondents. Stratified random sampling and purposive sampling were used. Data were collected using structured questionnaires. Quantitative data were analyzed using descriptive statistics (means and standard deviations), Pearson correlation, and multiple linear regression. Findings from descriptive statistics indicated high adoption levels of green construction practices, with mean scores above 4.0 across all variables.