Highlights An agent-based model is proposed to model the spread of COVID-19 among construction workers. The workforce in a project can be decreased by 30% to 90% due to the spread of COVID-19. Construction and project managers should maximize construction activities classified as low-risk regarding the spread of COVID-19. Understanding the impact of COVID-19 on construction workers will help to plan the workforce of construction projects in the context of pandemic.

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Multiple attributes make construction projects to be likely to face disputes during its execution, such as the nature of adversarial relationships between stakeholders, tight budgets, and the lack of incentives in contracts encouraging collaboration. Furthermore, the impact of claims will vary but is likely to have a negative impact on projects. Consequently, stakeholders have to manage the process of claim resolution. A challenge of this process is the understanding and clarity of the information used to resolve construction claims. A technology that has faced a steady growth in the construction industry is Building Information Modeling (BIM). The benefits of implementing BIM in construction projects are widely recognized such as automation of the quantity takeoff estimation process, quick reaction to design changes, better visualization of the construction schedule, and design coordination. Nonetheless, limited studies have addressed how the existing benefits from implementing BIM can be used as a platform to facilitate the resolution of construction claims. This study explores and discusses the existing literature to identify the main benefits of implementing BIM in the resolution of construction claims. The aim is to assess what exists in the legal branch of implementing BIM in construction to suggest its use in this regard.

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The construction sector has been heavily impacted by COVID-19 due to the restricted conditions required by construction projects to perform physical activities. Given this context, it is of interest for the industry to identify the impacts that COVID-19 has had on the development of construction projects. However, little is known regarding how the impacts of COVID-19 have affected multiple stakeholders in construction projects and whether there is some interaction among such impacts. This study aims to explore the impacts of COVID-19 and their influence among different construction stakeholders (i.e., engineers and managers, workers, suppliers). This study was enabled by 40 semi-structured interviews that were performed with stakeholders in construction projects in Chile. Content analysis from the interviews led to the identification of categories of impacts and stakeholders, to the development of a cognitive map of the impacts, and to the application of correspondence analysis. Fifteen categories of impacts were identified, and six construction stakeholders were identified as having been impacted by COVID-19. Identifying the causes and effects of the impacts felt by multiple stakeholders revealed that these impacts interacted among each other. Understanding the impacts of COVID-19 on construction stakeholders may facilitate the development of effective mitigation strategies to reduce COVID-19 impacts on the construction sector.

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