Visualisering av 4D-arbetsplatsdispositionsplaner på byggarbetsplatser : Påverkan på säkerhetsplanering och jämförelse med traditionell- 2D-APD-plan

Sammanfattning: The construction industry leads the statistics when it comes to reports of accidents and serious incidents compared to other industries. Falls from heights, improper working positions as well as heavy lifting and carrying, are some of the most common safety risks. The purpose of this study is to examine the potential of using a 4D-site layout plan at construction sites and analyze its impact on safety planning. Furthermore, the advantages and disadvantages of the developed 4D-site layout plan are compered the conventional 2D-site layout plan. The aim of this thesis is to develop a method that enhances the visualization of the site layout plan and thus increases safety on the construction site. The methods used in this study include semi-structured interviews, field observation to closely study the current project, and ultimately constructing a 4D model of the site layout plan. The interview results indicate that current site layout plans have limited visualization as they depict the construction site in 2D and from a single angle. Respondents emphasize that current site layout plans are used as a basis for discussion for logistics planning but not for safety planning. This suggests that with 2D-site layout plans, it’s challenging to foresee and evaluate potential safety risks that may occur on the construction site. Respondents agreed that the 4D-site layout plan enhances the understanding of the construction site and improves communication among stakeholders, as it clearly illustrates ongoing progress. However, respondents had varying opinions on the usability and implementation of the 4D-site layout plan at the construction site, as it’s difficult to predict the effects this method has on safety planning. According to the literature review, there are numerous advantages to 4Dvisualization, such as the ability to plan and evaluate work processes and more straightforward way to convey results to relevant parties. Through this method, risky situations can be identified and addressed throughout the entire construction process, contributing to a safer construction site. In this thesis, Unity software has been utilized to visualize the site layout plan in 4D, and this method can enhance safety efforts at the construction site. In conclusion, 4D-visualization requires advanced technology and developed expertise within this field. Further investigations and observations are necessary to evaluate this method at construction sites and explore its potential in safety efforts. The work concludes with suggestions for further studies that haven’t been covered in this thesis. One of the presented suggestions is to upgrade the method to 5D by integrating the cost aspect.