Programme: Building Technology

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Start date: 2020

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Now showing 1 - 10 of 27
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    Diagnosing Government Responsibilities in the Implementation of Public-Private Partnership System for Infrastructure Procurement
    (International Journal of Sustainable Development and Planning Vol. 20, No. 6, 2025-06) Ojelabi, Rapheal A.; Oyenubi, Adebayo; Oyeyipo, Opeyemi
    Public-Private Procurement is a system that allows for collaboration between the government and private partners in infrastructure provision. However, researchers argued that the successful implementation of the procurement option rested more on the government's shoulders. Hence, the study aims to identify critical government roles and investigate their importance and performance in PPP projects in Nigeria using a survey approach. The targeted respondents are PPP stakeholders operating in Lagos and Abuja. However, due to the absence of comprehensive lists of the PPP stakeholders involved in PPP projects in Nigeria, a project based approach was used in attaining the representative samples for the study, including contractors, consultants, concessionaires, government agencies, and financiers. About 384 copies of questionnaires were randomly distributed to the sample representatives, and 274 copies were retrieved. The data generated were analyzed using descriptive and inferential statistical tools. Findings showed that all the roles identified are critical and showed significant interrelationships with each other. However, the government's performance in the highlighted roles is unsatisfactory, and recommendations were made on its shortfall.
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    Adoption and Barriers of Engineered Bamboo Products in the Nigerian Construction Industry
    (Civil Engineering and Architecture 13(2), 2025) Ojelabi, Rapheal A.; Omuh, Ignatius O.; Amusan, Lekan M; Ogunrinde, Olugbenro
    The rise in the cost of conventional construction materials and the greenhouse effect from construction activities have been an issue of concern to stakeholders in the construction industry. Hence, efforts have been concentrated on developing low-cost, environmentally friendly and sustainable local materials to mitigate the greenhouse effect. The quest for the sustainable materials necessitates the study to examine the prospects of adoption of engineered bamboo products and the challenges militating against its use among construction professionals. A quantitative approach was adopted and 70 questionnaires were distributed among construction professionals with structural engineering background in selected firms across Lagos State. Data collected were processed using percentage, mean item score and Kruskal Wallis’s test. Facts garnered from the study revealed that engineered bamboo adoption for construction related works like ceiling, flooring, and reinforcement among others is not outstanding. The poor implementation of the engineered bamboo products is attributed to some challenges which include ‘high affinity for conventional materials’, ‘unavailability of bamboo products’ and ‘lack of machinery to refine raw bamboo’ among others. Therefore, the study recommends that stakeholders need to channel more resources into research and development and creating an enabling policy that can enhance the bamboo products adoption.
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    Construction Craftspeople Apprenticeship in Nigeria: From the Lens of Apprentices
    (Routledge; Taylor & Francis, 2026) Tunji-Olayeni, Patience; Adah, Christiana Ada; Daniel, Emmanuel Itodo; Aghimien, Douglas
    The construction industry is facing a shortage of skilled workers worldwide. This shortfall can be addressed through the construction craftspeople apprenticeship system, which has not received significant attention in developing countries like Nigeria. This study aims to explore the experiences of apprentices in construction craftspeople apprenticeship programs in Nigeria. Data were collected using questionnaire surveys and interviews. Astructured questionnaire was distributed to thirty-two apprentices across two construction craftspeople apprentice ship programs in Nigeria, and sixteen interviews were conducted. The survey data were analyzed using the Relative Importance Index (RII), while data from the interview were analyzed using content analysis to identify key themes. The findings revealed that the primary motivators for individuals to pursue apprenticeships in the construction sector include the desire to work in the construction industry, the opportunity for skills and ability development, and the opportunity for income and associated benefits. Conversely, the major challenges faced by apprentices include limited job availability after completing their apprentice ship, poor or nonpayment of allowances, redundancy during training and inadequate training quality. These findings are significant for con struction stakeholders as they highlight the need for strategies to encourage young people to engage in apprenticeship training while addressing the challenges faced by apprentices.
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    The experience of women in construction craftspeople apprenticeship programmes in Nigeria
    (Emerald Publishing Limited; ICE Publishing, 2025) Tunji-Olayeni, Patience; Adah, Christiana Ada; Daniel, Emmanuel Itodo
    The construction industry needs skilled personnel for its sustainability due to the shortage of skilled workers. Women are reputed to bridge the gap created by skills shortages in construction, which can be achieved by increasing their par ticipation in the industry through the instrumentality of construction craftspeople apprenticeship training. This qualita tive study explored the experiences of women in construction craftspeople apprenticeship programmes in Nigeria. Twelve female apprentices and two representatives of stakeholders (senior managers at the apprenticeship pro grammes) from two construction craftspeople apprenticeship programmes were interviewed on the factors that moti vated women to join construction crafts apprenticeship training and the challenges confronting female apprentices. The data retrieved were transcribed and qualitatively analysed using code-based content analysis. Findings indicated that the main factors motivating women to participate in construction craftspeople apprenticeship programmes are: the desire to acquire skills and intrinsic factors such as employment opportunities and better remuneration. Payment issues such as non-payment of allowance, and issues related to apprenticeship training, such as inadequate tools for training, were the prominent challenges faced by female apprentices in construction craftspeople apprenticeship pro grammes. The study identified factors that can be enhanced by stakeholders in construction craftspeople apprentice ship training to attract women to the construction industry.
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    Application of artificial intelligence in the Nigerian building and construction industry
    (2022) Tunji-Olayeni, Patience; Owolabi, James Dele; Malagwi, ,Dzarma; Oyeyipo, peyemi; Ola-Ade, Esther Oluwafolakemi; Fikiemo, Patience
    The uniqueness and inherent complexities of the construction industry require the use of Artificial Intelligence (AI) to improve its processes and enhance overall competitiveness and performance. This study examined the awareness level and application of AI to provide useful insights into the state of AI applications in the Nigerian construction industry. A quantitative research design with the use of a questionnaire was used to obtain data from 53 construction professionals in the Lagos Island area of Lagos State, Nigeria. The professionals included Quantity Surveyors, Architects, Civil Engineers, Builders, and Estate Surveyors selected based on a purposive sampling technique. Data from the survey were analyzed with frequencies, mean, and ANOVA. The study found that most of the respondents were aware of the application of AI in construction, and there was no difference in the awareness level of the participants irrespective of their professional affiliations, organizational type, and organizational size. Generally, the most common application of AI among the participants surveyed were generative designs in BIM, measurement and estimating software, and the use of sensors in intelligent buildings. Moreover, design and project planning was found to be the most critical areas of need for AI in the study area. The study underscores the need for investments in other AI applications other than BIM and estimating software to improve productivity, performance, and enhance client satisfaction.
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    Construction 4.0 Application: Industry 4.0, Internet of Things and Lean Construction Tools’ Application in Quality Management System of Residential Building Projects
    (MDPI, Basel, Switzerland., 2022) Amusan, Lekan; Aigbavboa, Clinton; Essien, Stella; Emetere, Moses; Obaju, Biodun
    The advent of Construction 4.0 has played a major role in construction industry develop ment through the improvement of quality performance. One of the parameters that have contributed immensely to the management of construction quality in the industrial revolution era is Industry 4.0, the Internet of Things (IoT), and Lean thinking concepts. Lean construction is characterized by a set of clear objectives in project delivery involving the concurrent design of products and processes. The study aims to carry out an exploratory study of the application of Construction 4.0 and Industrial 4.0 in quality management of building works and the development of Lean-based quality management models: The study engaged a survey design approach, and a random sampling technique was used to select the study samples. A structured questionnaire designed on a Likert scale 1–5 was used to collate data on the quality aspect of a construction project, and the data were used in model creation. The parameters that emerged are cast as the quality management model. The resultant factors were categorized into three (3) quality categories, which are the Zero level Defect range, Medium Quality, and High-Level Quality Range. The three (3) quality factors were recommended for adoption for quality management of residential building projects.
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    THE EFFECTS OF PSYCHO-SOCIAL FACTORS ON CONSTRUCTION EMPLOYEE PERFORMANCE
    (African Journal of Applied Research, 2026) Amusan, L.; Aigbavboa, C. O.; Jegede, O.; Ojelabi, R.; Aderounmu, P.
    Purpose: The aim of the study was to assess the Influence of psychosocial factors like competence, emotional intelligence, and education on construction firms' employees, with a focus on improving their performance on the construction site. Design/Methodology/Approach: This study adopted a quantitative descriptive survey research design. A random sampling method was used to select 20 medium-sized construction companies and 100 respondents. 100 questionnaires were administered. Analysis of Variance tool [ANOVA]. The relative agreement index technique was used to analyse the data. Findings: The findings provide a comprehensive, empirically grounded understanding of the multidimensional nature of employee performance in the construction industry, highlighting the interplay among psychosocial, organisational, environmental, and socioeconomic factors in determining on-site performance. Research Limitation: The study focused exclusively on medium-sized construction companies, thereby excluding small- and large-scale construction firms. This restriction limits the comprehensiveness of the findings, as the organisational structures, resource capacities, workforce compositions, and operational practices of small and large construction firms may differ considerably from those of medium-sized companies. Practical Implication: It provides guidelines for project managers and professionals on understanding the following as a key requirement to improve on-site output: Wages should be paid on time, allowing construction workers to participate in professional conferences, which also greatly helps improve competence. Social Implications: The deployment of financial and non-financial incentives can induce higher performance by meeting workers' social needs. Originality and Value: The findings of this study firmly establish that emotional intelligence is not a peripheral or incidental factor in construction employee performance but rather a foundational psychosocial competency that underpins goal achievement, teamwork, and professional resilience on construction sites.
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    Government’s motives and investor’s commitment in public-private partnership procurement system adoption
    (Sciendo, 2025) Amusan, Lekan; Ojelabi, Rapheal Abiodun; Adewolu, Adeoye Olugbenga; Olanipekun, Oladeji Olubunmi
    The study examined the government’s motives - ment to infrastructure delivery. The study adopted a quan titative research method with a survey conducted using a structured questionnaire targeted at 384 respondents selected through random sampling. The data were ana lysed using mean, percentile and Pearson correlation sta tistical tools. The study identified 17 key motives respon sible for the government adopting PPP in socio-economic infrastructure delivery. These motives were factored into three main groups: public infrastructure maintenance, financial and economic benefits; improved discipline in the contractual relationship and predictable path in infra structure delivery and integration of innovative approach in enhancing infrastructure delivery. Therefore, the relationships between the three factored government’s motives and investor’s commitments, including finance, management, technical and operational services in PPP, were tested using the Pearson correlation statistical tool. The results showed that the motive for public infrastructure maintenance, financial and economic benefits of the government in PPP showed a significant relationship with the four services commitment of private partners. Also, the government’s motive for improved discipline in the contractual relationship and predictable path in infrastructure delivery showed significant relationships with technical, finance and management commit ments of investors. Lastly, the government’s motive for the integration of innovative approaches in enhancing infrastructure delivery showed a significant relationship with only technical commitment. The outcome indicates that factors measuring government motive and investor's services commitment are mutually dependent and critical in ensuring a sustained relationship among stakeholders in a PPP arrangement for infrastructure procurement.
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    Influence of Industry 4.0 Applications on Covid-19 Pandemic in Managing Materials, Human Resources and Completion Time of Construction Projects
    (Praise Worthy Prize S.r.l., 2024) Amusan, Lekan; Odusola, Mojisola; Aigbavboa, Clinton; Ajao, Ayodele Christianah
    This research was centered on the influence of Industry4.0 in effective management of Covid-19 pandemic on construction sites and materials and resources of construction projects on construction sites. This study aims to increase sensitization about the COVID-19 pandemic's influence on the construction industry. For this research work, 80 questionnaires were administered to selected construction sites in the areas with highest incidence of Covid-19 in South Western Nigeria (Lagos State). The influence, effect, and strategies adopted using Industry4.0 apparatus The structured questionaire designed in Likert scale was distributed to respondents. The collated questionaire was test for validity and reliability and was found to be in good order. Spearman ranking, ANOVA, Mean item scores and relative agreement tools were used to process the data.It was discovered that Industry 4.0 tools were of good help during the pandemic in allocation, distribution and curation of information and resources. It was also discovered that COVID 19 posed a lot of challenges in administering human resources personnel while companies suffered procurement of effective human resources, low productivity and casualties while the pandemic lasts. The study however recommended intense use of the Industry4.0 tools in construction process administration even in the advent of Zero Covid 19 incidence on sites.
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    Influence of Industry 4.0 Applications and Development of Internet of Things (IoT)-Based Logic Framework in Energy Management Systems in Buildings
    (Praise Worthy Prize S.r.l., 2023) Amusan, Lekan; Aigbavboa, C. O.; Ebitimi, Vianana
    – Energy management refers to the reduction of energy usage and costs with little steps like choosing LED light bulbs and energy-efficient appliances or larger efforts such as the improvement of insulation and weatherization. Energy management is simplified as foresighted, organized, and systemic production, distribution, and use of energy under ecological and economic target setting and judicious and effective use of energy to maximize profits and minimize energy demands. This work aims to develop a strategy for energy management in commercial buildings to create best-practice in commercial building energy consumption. Also, study the current energy practice in Nigeria and identify factors affecting energy management. A total population size of 150 comprises commercial buildings of malls and supermarkets where the Internet of Things (IoT) application was obtainable. Sample size of 100 comprised of respondents from the population was administered with 100 questionnaires out of which 80 valid questionnaires were used for the analysis. The questionnaire was administered among 13 branches of malls and mega supermarkets. That is an average of 6 questionnaires in each branch to respondents like managers, facility managers and other staff connected with the application of the installed IoT features. This study highlighted the factors that influence adequate and proper energy management in buildings. To this end, this research achieved the following objectives: To study the current practice of electrical energy management in commercial buildings, identify factors influencing electrical energy management in buildings (commercial buildings), and influence of Industry 4.0 applications in electrical energy management systems in buildings. The government should provide sufficient funding for power stations and maintenance activities. The use of Tariffing Meter System should be adopted in energy management, therefore eradicating the estimation billing system. There should be more aware of advanced networking and monitoring technologies for management.