ABSTRACT
This paper discusses the Haga Station project, part of the Westilink railway tunnel in Central Gothenburg, which involves constructing three new railway stations. The project faces challenges due to urban excavation, natural canals, and geological conditions, primarily clay. To overcome the challenges, Building Information Modelling (BIM) has been crucial approach to coordinate various disciplines from the projects’ early stages. However, the project's complexity necessitated a 4D model to assist the client in choosing construction solutions through site simulations, evaluating time and cost. Specifically, the Skattehuset area required detailed planning due to the tunnel's slanted interface between rock and clay, affecting the existing building's foundation. The goal is to provide an agile workflow for simulating scenarios, estimating timing, and managing site work interferences. Implementing the 4D model offers real-time insights into design choices' time-saving impacts, potentially reducing the carbon footprint and promoting sustainable design practices.
