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On site and off site are the main construction methods used in the construction industry with the former being majorly adopted. Off-site construction offers significant opportunity to improve project performance. However, there is little awareness of its benefits in the Nigerian construction industry. This study aims to assess the benefits of adopting modular integrated construction in Nigeria to improve the level of understanding, usage for stakeholders and enhance productivity. Purposive and snowballing technique were used to select the prefab construction experts. Professionals that were involved in the study are engineers, architects and quantity surveyors in the study area. The most rated benefits are enhanced teamwork and collaboration, improved productivity, simplicity and ease in the construction, enhances sustainable building and improved quality of work. Five variables have significant difference between the respondents while the others do not. The study concludes that modular construction is at its nascent stage and could be developed and be more implemented if the government takes the lead. It is therefore recommended that stakeholders must be ready and willing to use modern method for better collaboration and teamwork. Also, more awareness and training programmes should be conducted to the stakeholders who could implement its usage in the Nigerian construction industry. The government should also provide financial support to encourage private clients and other people who are keen to execute the construction projects with prefabs. [ABSTRACT FROM AUTHOR]

Augmented reality (AR) is the combination of real and computer-based images and scenes to bring about a unified and improved view of the world. This study assesses the benefits of augmented reality technology (ART) to the construction industry so that productivity in construction can be enhanced. A survey of construction professionals involved in the built environment was carried out in Lagos State, Nigeria. Architects, Project managers, Engineers, Quantity surveyors, and Builders were engaged in the survey, and they were sent a well-structured questionnaire. Convenience sampling techniques were adopted in choosing these professionals. The collected data were analyzed using both descriptive and inferential statistics. According to the findings, the five most important benefits of ART are improved team collaboration and communication; enhanced repairs, rehabilitation, and maintenance; improved communication / real-time information retrieval; accurate automated measurement; and low-cost virtual training in operating heavy construction equipment. The results showed that there nine (9) out of fifteen (15) benefits had no significant difference in terms of the opinions of professionals, while the other six (6) had a significant difference. A post-hoc test revealed that there is a significant difference in opinions between the Architects and Quantity surveyors or between Quantity surveyors and Project managers on the benefits of AR while there is no significant difference for other professionals. The study concluded that AR improves collaboration and communication between workers on construction sites. It is therefore recommended that the Nigerian construction industry should create awareness programmes and platforms to inform its current and upcoming professionals on the benefits of using AR in the industry. [ABSTRACT FROM AUTHOR]

Internet of Things is a model in which computing and networking abilities are inserted into any sort of possible object. These abilities are utilized to inquire about the condition of the object and to change its state if feasible. This study assessed the challenges faced in the adoption of the Internet of Things in the construction industry in Nigeria, with the view of increasing the awareness and usage level for the benefits of stakeholders in the industry. The quantitative research method was adopted for this study and the adopted questionnaire was structured on a five-point Likert scale to elicit the opinion of respondents on the challenges of the application of the Internet of Things in the Nigerian construction industry. The respondents included builders, quantity surveyors, land surveyors, architects and engineers in the study area. Mean item score, pie chart, bar chart, percentiles, ANOVA and post-hoc test were used in analyzing the retrieved data. The results show that power supply, cost, limited consumer demand, and challenges in online security and data volume are the major challenges that are faced by construction stakeholders in the adoption of the Internet of Things in the industry. The study concludes that most professionals are aware of and have knowledge of the Internet of Things but the principles are not effectively utilized because of the constraints listed above; in addition, some organizations think the Internet of Things is not necessary. It is therefore recommended that the government should help in promoting and motivating the construction industry by regulating and subsidizing the cost of supply of IoT materials. This will improve the standard of living of people and thereby increase the country's economy through enhanced productivity and performance in the construction industry. [ABSTRACT FROM AUTHOR]