TOPSIS analysis for sustainable redevelopment potential of abandoned infrastructure in Nigeria

Ogunnusi, Mercy, Salman, Huda and Laing, Richard (2023) TOPSIS analysis for sustainable redevelopment potential of abandoned infrastructure in Nigeria. Built Environment Project and Asset Management, 13 (1). pp. 73-88. ISSN 2044-124X

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Abstract

Purpose: Abandonment poses a range of effects detrimental to the development of a country such as Nigeria. Restoring such infrastructure in a sustainable manner is a challenge identified in the literature. The aim of this study is to evaluate a novel approach – the technique for order preference by similarity to an ideal solution (TOPSIS) to identify the sustainability criteria for the redevelopment of abandoned infrastructure in Nigeria. The literature evidences use of TOPSIS in various development contexts, but not in the context of redevelopment of abandoned infrastructure. Design/methodology/approach: This study explores the potential of TOPSIS in the sustainable redevelopment of abandoned infrastructure in Nigeria through a combination of a quantitative method of data collection – questionnaire – and a case study. The case study focuses on the abandoned Federal Government Secretariat in Lagos. One hundred and sixty-one (161) participants responded to the questionnaire. Data collected were analyzed using TOPSIS analytical technique. Findings: Refurbishment is considered as the most sustainable alternative for the redevelopment of abandoned infrastructure. For criteria consideration, structural integrity and foundation categorized under the technological attributes ranked highest for refurbishment and conversion alternatives. Waste generation and prevention and profitability top the list for demolition and procurement respectively. Social implications: The social benefit of this study is to bring building considered to be an eyesore back into use. Originality/value: The findings from the analysis orchestrates the importance of the built environment research concentrating on innovative frameworks for sustainable redevelopment of abandoned structures in the construction industry.

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