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The Sahel region is continuously in the spotlight due to issues related to precarious security situations, political instabilities, high refugees and internally displaced persons, and climate change crises. For decades, the activities of various non-state organizations in the region have led to devastating consequences to its built environment. For instance, in Nigeria, a Sahel nation, the cost of damages and destructions to its public infrastructures due to conflicts and climate-related issues in its extreme North-Eastern Sahelian states is estimated at a cost of USD 9.2 billion, while about USD 6 billion is needed for recovery, repairs and reconstruction. It is therefore pertinent that all necessary measures should be taken to reduce tendencies of cost overrun during the implementation. Hence, this study evaluated the perceptions of stakeholders on the impacts of cost management success factors on public building construction projects in the Sahel region. The study is limited in scope to the Anglophone-speaking part of the region with Yobe State, Nigeria as a case study. A descriptive survey was employed to elicit responses, and a structured questionnaire was used to collect data. A convenience sample of 150 samples was distributed to the accessible construction professionals in the study area through a multiple snowball sampling technique point. SPSS version 24.0, a social science statistical tool was used for data analysis. Findings revealed that 62.7% of the stakeholders have encountered cost overrun in a range of 5-25% at most during construction project delivery in the region. In addition, all the success factors assessed have ‘high or moderate’ impacts on public building construction projects. Major findings revealed that the success factors with a ‘Relative Severity Impact’ in a range of 70.85-74.24% on public building construction projects are project planning and monitoring, taking adequate security and climate change measures, project manager’s technical competence, project team technical abilities, and project manager’s previous work experience. Furthermore, the stakeholders were in concordance with their perceptions of the success factors, which was significant. In conclusion, cost overrun is a pertinent issue in the Sahel region. This present study delved more into cost management success factors, which are unique to the built environment devasted with issues related to insecurity and climate change.
Suleiman Shehu (Fri,) studied this question.