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Studies show that building information modelling (BIM) technology can improve construction productivity regarding the design, construction and maintenance of a project life cycle in the 21st century. Revit has been identified as a frequently used tool for delivering BIM in the built environment. Studies about BIM technology via Revit are scarce in training middle-level workforce higher education institutions. Thus, this study aims to investigate the relevance of BIM technology and offer measures to promote digitalisation in Nigeria’s built environment polytechnic undergraduates via Revit.

Given the unexplored nature of training the middle-level workforce in Nigeria, 37 semi-structured virtual interviews were conducted across Nigeria, and saturation was achieved. The participants were knowledgeable about construction-related BIM. The researchers used a thematic analysis for the collected data and honed them with secondary sources.

Improved visualisation of design, effective and efficient work productivity, automatic design and quantification, improved database management and collaboration and data storage in the centrally coordinated model, among others, emerged as BIM’s benefits. BIM technology via Revit is challenging, especially in Nigeria’s polytechnic education curriculum. The 24 perceived issues were grouped into government/regulatory agencies-related, polytechnic management-related and polytechnic undergraduate students-related hindrances in Nigeria’s built environment.

This study is limited to BIM implications for Nigeria’s built environment polytechnic undergraduates.

This study contributes to the literature paucity in attempting to uncover perceived issues hindering the implementation of BIM technology via Revit in training Nigeria’s built environment polytechnic undergraduates via a qualitative approach.

In most developing countries, indigenous emerging construction contractors (ECCs) face severe problems of not adopting a project management framework (PMF) in their business activities. It has increased their business risk and threatened their sustainability. Studies showed that government policy support (GPS) helps mitigate business risks. Thus, there is a paucity of literature concerning GPS on emerging Nigerian construction contractors' business sustainability. Therefore, the paper aims to investigate the moderating effect of GPS on the relationship between PMF and ECCs in Nigeria.

SmartPLS was used to analyse the collected data from the useable 310 questionnaires retrieved from respondents in Abuja and Lagos, Nigeria. Systems Theory was used to support the developed framework.

Findings show that government policy support significantly moderates the relationships between PMF and ECCs in the Nigerian construction sector. It implies that the study's results offer more understanding regarding issues affecting construction entrepreneurs' sustainable business cycle via applying PMF to mitigate business sustainable associated risks.

The study will stir Nigeria's ECCs and policymakers to promote construction business sustainability for a new entrepreneur, emphasising business risk management via PMF and GPS to enhance the sustainable business cycle.

The research (PMF and GPS) is strategies to enhance ECCs business sustainability in the Nigerian construction sector and other developing countries with similar political and economic attributes. Besides the study guiding old and intending ECCs and policymakers in the developing countries industries, it would contribute to bridge the theoretical gap regarding PMF and ECC, especially ECCs in developing countries with similar business sustainability issues.

Studies have proved that wood sawmill workers are exposed to high occupational risks if not well managed. In developing countries, many wood sawmills are found in urban and semi-urban areas. Studies exploring how residents near these wood sawmills perceive and react to these risks is scarce in Nigeria. The application of the fourth industrial revolution (4IR) technology is possibly one of the ways to manage the likely hazards. This study aims to investigate the possible hazards associated with timber sawmills in residential areas and the role of 4IR technologies in proffering feasible solutions to mitigate them in Nigeria’s cities.

Data were sourced from three cities and nine sawmills across Nigeria. Face-to-face interviews were conducted with authoritative participants (residents, environmentalists, government agencies, sawmill owners, 4IR technology experts and medical experts) who have been championing the regulation and safety of timber sawmill locations within the cities (Lagos, Benin City and Owerri) via a phenomenology type of qualitative research and supplemented by secondary sources.

Findings show that timber sawmills are located across the three cities in Nigeria and may have contributed to the health and environmental challenges of the people living in the neighbourhood. The identified hazards were grouped into three sub-themes (physical, health and environmental hazards). Findings identify robots, modularisation, cyber-physical systems, the internet of things and services and human-computer interaction as the digitalised technology that can be used in sawmills to mitigate hazards for the benefit of mankind.

The paper is limited to hazards that residents in timber sawmills locations may face in Nigeria’s cities and data collected via face-to-face 23 interviews. The paper’s referral to past publications in the findings and discussion section compensated for the small sample size.

As part of this paper’s implications, the emerged recommendations will strengthen collaboration with relevant stakeholders regarding control measures via the use of 4IR technologies in timber sawmills. This will stir up policymakers to develop possible policies that will promote and create the platform for the implementation of 4IR technologies in city sawmills.

Apart from probably being the first paper to explore the hazards of residents in timber sawmill locations and proffer solutions via the usage of the 4IR technology, this paper’s contribution emphasis the need for in-depth future studies regarding the risk perceptions of Nigeria’s residents living in timber sawmill area.

The recent COVID-19 pandemic has exposed the declining conditions of many of the hospital buildings, especially in developing countries. Past studies have shown inadequate maintenance practices but how far regarding Nigerian public hospital buildings is yet to receive empirical research. This paper aims to investigate the underlying issues leading to inadequate maintenance practices and proffers policy options to improve Nigerian public hospital buildings via an unexplored dimension.

The study used a mixed research design method involving both qualitative and quantitative data. First, results from the qualitative phase were analysed and verified at the quantitative phase through a well-structured questionnaire, developed from the qualitative findings across hospital maintenance experts (work/maintenance department, health-care provider, design team and health-care building/service contractor) in Abuja, Lagos and Benin City.

Insufficient funds for maintenance works, absence of planned maintenance programmes, inadequately trained personnel, etc., emerged as the maintenance inadequacies in the public hospital buildings across the cities covered. The paper categorised the cause of inadequate maintenance practices of public hospital buildings into six groups: statutory requirements, design stage, construction stage, budget for maintenance task, managing maintenance unit activities and user’s perception regarding maintenance management.

This paper is limited to maintenance practices of Nigerian public hospital buildings. Future research is needed to evaluate factors that will enhance outsourcing maintenance and the use of the 4th industrial revolution (building information modelling for refurbishment and building automation systems) amongst others in maintenance practices of public hospital buildings.

As part of the practical implication, the government and hospital administrators should make provision for adequate funding and accountability of annual maintenance budgetary allocation. Also, the government should establish a national maintenance policy for public infrastructure with an emphasis on preventive maintenance and contractor’s reputation, outstanding pedigree, technical and financial soundness during build maintenance contract award, etc., were recommended.

This paper reveals that the stakeholders, especially hospital administrators, policymakers and political office holders that are concern with maintenance budget, approval and disbursement concerning maintenance practices in public hospital buildings need to reawaken to her responsibility because of the inadequate implementation across the cities covered.