Programme: Building Technology

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Asymmetry in Professionals’ Perceptions of Sustainable Construction
(2022) Tunji-Olayeni, Patience; Aigbavboa, Clinton; Oke, Ayodej
Sustainable construction is the response of the construction industry to the environ mental, social and economic challenges arising from construction activities. Although the negative impact of construction activities is a global problem, it has local effe cts that require the inputs of indigenous stakeholders for mitigation. Hence, the study assessed the perceptions of professionals about sustainable construction with a view to boosting understanding of how individual awareness and commitments influence the implementation of sustainable construction. The study adopted a quanti tative research approach to obtain information from professionals working in different sectors of the construction industry in Lagos, Nigeria. Descriptive and inferential statistics were used to analyse data from the survey. Findings revealed statistically significant differences in the perceptions of professionals about sustainable constri ction. The findings have implications for: the design of sustainable construction policies, the business case for sustainable construction and the diffusion of sustainable construction.
Barriers Hindering Green Building Materials Adoption in the Nigerian Construction Industry
(Ingenta Connect, 2024) Tunji-Olayeni, Patience; David, S.
The adoption of green building material can lower greenhouse gas emissions emanating from construction related activities. Green building materials (GBM) have a lower carbon footprint, it has more energy efficient and also offer better thermal comfort which make them advantageous than conventional building materials. Green Building material (GBM) offers environmental, social and economic benefits over conventional building material. However little empirical evidence exists of the wide spread adoption of GBM at scale in especially in developing countries, particularly Nigeria, what could be the factor that hindered GBM adoption. To answer this, this paper assesses the barrier hindering GBM adoption in Nigeria construction industrial (NCI). It uses a cross-sectional survey research design with a structured questionnaire to achieve the aim of the study. Inferential and descriptive statistics were used to analyse the data gotten from the survey. The result from the analysis showed; lack of government policies focused on Green building materials adoption, lack of knowledge about Green building materials, lack of industrialized systems for Green building materials production, Lack of institution to formulate policies and set guideline and Lack of Demand for GBM are the first five main barriers hindering GBM adoption in Nigeria. The findings of the study have great implications for GBM policy, design and implementation. These Policies will serves as frameworks which can create an enabling environment for GBM production to thrive and also drive the adoption of the same in the NCI. Ultimately this will cut down on greenhouse gas emissions and mitigate climate change.
Practitioners’ experiences with the drivers and practices for implementing sustainable construction in Nigeria: a qualitative assessment
(Emerald Publishing Limited, 2020) Tunji-Olayeni, Patience; Kajimo-Shakantu, Kahilu; Osunrayi, Ewaoluwa
Purpose – The purpose of this study is to assess the drivers, practices and policies for implementing sustainable construction in Nigeria. This is with a view towards increasing the rate of implementation and diffusion of sustainable construction practice, so that more Nigerians can benefit from its environmental, social and economic dividends. Design/methodology/approach – This study adopted a qualitative research design with the use of face-to face oral interviews. Interviewees were selected using a purposive sampling technique. Data from the interview were analysed using thematic analysis. Descriptive statistics of frequencies, percentages and rankings were also used to present the data and complement the thematic analysis. Findings – The study identified five major drivers of sustainable construction: clients’ demand, international pressure, corporate social responsibility, competitiveness and cost-effectiveness. The common sustainable practices adopted by the interviewees are compliance with health and safety regulation, waste management, energy efficiency and material reuse. The most appropriate policies for implementing sustainable construction as suggested by the interviewees were government regulations, provision of tax relief and subsidies and public awareness. A combination of regulatory policies, market-based policies and voluntary participation of stakeholders will enhance the attainment of sustainability transformations in the construction industry Originality/value – The study is based on the findings of construction participants who have practical experience with sustainable construction in Nigeria. The study also provides empirical evidences which could guide the design and implementation of policies that will further promote the diffusion of sustainable construction in Nigeria.

Programme: Building Technology

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