A Study of CAD in Comparison to BIM and the Adoption of BIM

Siaw, Kai Xin (2023) A Study of CAD in Comparison to BIM and the Adoption of BIM. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

For decades, the construction sector has been badly impacted by inefficiencies and ineffective project completion (Noor Akmal Adillah Ismail, 2019). Historically, blueprints and sketches were utilized to convey information about a specific construction plan. The 2D method made visualising dimensions and requirements extremely challenging. Then, came Computer Aided Design (CAD), which made it easier for drafters to see the value of plans in a digital setting. Afterwards, CAD evolved into 3D which provided more accurate models (BuildingPoint, 2022). Today, the adoption of BIM technology has changed the construction process, bringing substantial advantages that contribute to project success (Noor Akmal Adillah Ismail, 2019). The advantages that BIM provides are such as reduced project time and expense, improved team collaboration and communication and improved project quality and performance. As a result, BIM applications are said to provide an accurate model that can be used throughout the life cycle of a building, from conception to occupancy and maintenance. BIM's benefits may be seen in its capabilities (Fatima, 2015). However, there are still many challenges on the BIM adoption. Therefore, this research will be investigating the similarities and differences between CAD and BIM, to determine the challenges and learning curves of BIM and identify the benefits and risks of implementing BIM in the construction industry. The research was carried out using a quantitative approach. The questionnaire's questions were designed based on the findings of the literature review. The survey questionnaires have been distributed throughout the QS firms in Selangor. Once the data was collected, the Microft Excel and descriptive analysis method would be used to evaluate the data. In short, this research can assist users in recognizing the differences between CAD and BIM that are currently in use by the sector, the advantages of utilising BIM, and the limitations that must be aware of