ASSESSMENT OF THE IMPACT OF BUILDING COLLAPSE RISKS ON BUILDING DEVELOPMENT IN NIGERIA

D A Obodoh, E C Ubani, C M Obodoh

Abstract


Building collapse risks have been judged to have negative impacts on the stakeholders in the built environment and as well “threats to successâ€. The study examines the impact of building collapse risks on the building development in Nigeria. Survey research design was adopted in carrying out the research and five cities in Nigeria were selected (Abuja, Ibadan, Port Harcourt, Owerri and Lagos). The target population for the study is the key professionals in the Nigerian Construction Industry (Architects, Builders, Engineers, Quantity Surveyors and Town Planners), Neighborhood Inhabitants and Staff of Emergency Management Agencies). A total sample size of 1999 was determined using Taro Yamane formula for determining sample size for finite population and Cochran’s formula for calculating sample size when population is infinite. Questionnaire was used for data collection and data collected were presented in tables. The data were analyzed using percentages and weighted mean. The results of the study show that the identified building collapse risks have significant impacts on the building development in Nigeria. The results of the mean and ranking show that the key building collapse risks that impact on the building development in Nigeria include: loss of property (6.80), loss of lives (7.10), Structural damage (6.90), discourages investment in property development (6.81), among others. The study recommends among other things, the need to develop a framework for effective management of building collapse risks in Nigeria with a view to reducing or eliminating the impact on building development in Nigeria.


Keywords: Building collapse risks, disaster management, emergency management agencies, building development, built environment, stakeholders


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