Role of BIM (Building Information modelling) in the AEC Industry

In this continuously developing Architecture, Engineering, and Construction (AEC) industry, the introduction of Building Information Modelling (BIM) has proved to be a game changer. The complexity of modern construction, combined with the demand for more suitable and efficient practices has made BIM an indispensable tool. BIM offers a sophisticated approach to simplify the design, construction, and operation. But what makes BIM such a valuable asset to the AEC industry, and how does it transform the way projects are delivered? What advantages does BIM provide in the AEC industry?

What is BIM?

Talking about BIM is not a thing or a type of software but a process to generate and manage building data. It is an IT-enabled approach that creates a comprehensive digital representation of building information across all project phases. It is a collaborative tool that enables all the stakeholders to work from a single digital model. It is a digital medium that not only allows one to visualise the 3D geometry of the building but also integrates the information regarding material, cost, and time in terms of the system which is referred to as BIM 3D, BIM 4D and BIM 5D respectively. It aims to enable efficient collaboration, ensure data integrity, support intelligent documentation, provide easy access to building data, and improve project outcomes through enhanced performance analysis.

BIM optimises the workflow from the initial design phase to the completion of the project. One of the reasons an AEC company must prioritise BIM and integrate it into its operations is the project timings. Large-scale projects follow strict deadlines that require the team to enhance collaboration, streamline processes, and adapt advanced control and automation tools to meet those demands.

History of BIM

To understand the history of BIM and BIM systems, we have to go back to the early days of computing when Computer-aided designs and computer-aided modelling were developed as two different technologies roughly during the 60s. At that time nobody would have imagined the intertwining of both CAD and CAM which would emerge as a powerful force in the industrial world.

In 1963, Sketchpad, the first computer-aided design (CAD) with a graphical user interface was developed. In 1975, a building description system was developed. This was the phase where transformation for 2D to 3D started happening. In 1987, ArchiCAD was launched, making it the first BIM software available on a personal computer. By 2000, a program called Revit was made.

Moving forward, Autodesk acquired Revit in 2002 and NavisWorks in 2007. In 2012, Autodesk developed Formit which enables the conception of BIM modelling on mobile devices.

What is BIM 3D, BIM 4D, BIM 5D?

BIM allows the team to visualise the project in a 3D form before it is actually built. It creates a visual representation of the project, including all architectural, structural, and MEP elements. This helps in making any sort of design changes in the initial phase of the project itself reducing the chances of any on-site changes. Moreover, a 3D model provides a clear picture of what one should be expecting from the project keeping all the stakeholders out of any misunderstanding or miscommunication.

BIM also allows a person to create a detailed timeline and the cost estimation for the project which is referred to as BIM 4D and BIM 5D respectively. BIM 4D allows the client to see how the project will evolve over time, helping to understand the sequence of activities. BIM 5D enables precise cost estimation by linking the quantities and timelines to the 3D model. The integration of 4D data and 5D data in the project helps the clients and managers get a clear picture of any changes in the budget and timeline of the project leading to more accurate planning and reducing unexpected costs during construction. Through real-time updates, teams can manage the resources and optimise the workflows in a much organised and better way.

Advantages of using BIM:

Systematic workflow:

One of the most significant advantages of BIM is its ability to eliminate the chaos that is usually present in a construction project. Before you had every department doing their own thing and finding that it all clashes with other departments making the process even more chaotic and hard to control. Moreover, the loss of data in the traditional paper-based processes is very significant. But BIM provides a unified central digital platform making it easy to read all the information for all the people involved in the project.

Increased Collaboration:

BIM offers an excellent ability to manage and plan all construction activities. It provides a digital common ground that integrates design, timeline, cost estimation, and collaboration. Its ability to manage and track all the design changes ensures that all the changes are reflected in real-time across the project which leads to smoother communication. Furthermore, BIM provides a collection of building data, which aids in long-term operation and building maintenance. BIM significantly increases project outcomes by making the processes smoother, reducing risks, enhancing accuracy, and facilitating better collaboration which leads to cost and time savings.

Clash detection:

BIM clash detection tools automatically identify conflicts between different systems—such as electrical, plumbing, HVAC, and fire protection—preventing costly rework and delays. Because everyone is working off a single model, errors are caught as soon as they appear, and way before they can cause any on-site chaos. Identifying and resolving these errors in the initial phase can help reduce the cost by 10 to 15 percent. Moreover, these tools prevent situations in which construction work has to be redone due to system incompatibilities.

Material Estimation and Sustainability:

Moreover, BIM can help get detailed understanding and analysis of the materials used in the construction process. This helps the team in reducing waste and ensuring that the project is both cost effective and sustainable. This level of accuracy is particularly beneficial for large-scale projects where even a small miscalculation can lead to a significant change in costs and the material requirements.

By tracking and managing material in digital form, BIM provides an opportunity for sustainable design and construction practices. The data provided by BIM enables the reuse of materials if possible which helps in cutting down the waste and unnecessary resource consumption. It also allows the architects to simulate energy performance, optimise the daylighting, and evaluate the life cycle impacts of different materials leading to smarter building designs.

Challenges of BIM

Implementing BIM in the projects comes with its own shortcomings and challenges. Despite the clear understanding of why BIM is required in the AEC industry, the transition to BIM can be rather time-consuming.

Firstly, the upgrade to BIM can be considerably cost-consuming. Upgrading the software, and hardware and teaching the staff the latest software requires considerable financial resources. Moreover, learning these software can also be time-consuming.

Moreover, shifting to BIM is a big cultural shift within the organisation itself. Shifting from traditional working practices to a collaborative workflow can be challenging and time-consuming for the organisation.

Lastly, data management and security concerns are always lingering after BIM adoption. BIM produces a vast amount of digital data which needs to be protected from all sorts of cyber threats, adding another layer of complexity to the implementation of BIM.

Conclusion:

As the use of BIM keeps growing all over the world, AEC firms are realising that the initial investment is much less as compared to the outputs one can get through BIM. The government has already started mandating the use of BIM for all public infrastructure projects and if a company or firm wants to stay ahead, they are left with no other option than embracing this technology. In regions like Europe and North America as well, BIM has become an industry standard. BIM adoption leads to better outcomes and improved client satisfaction.

The potential of BIM is truly limitless in the AEC industry. BIM promotes teamwork and project efficiency while decreasing costs to support sustainability in design. With the industry moving towards digital transformation, utilising BIM will be vital to move at the market pace. Firms that invest in BIM are not only improving their current projects but also positioning themselves as long-term success in the industry of the future.

Arpita Singla is a content writer at 18 Infratech, contribuating to sharing the company’s innovative approach to BIM and its impact on the AEC industry. 18 Infratech is a leading BIM service provider in USA, and BIM companies in Saudi Arabia. With a deep understanding of the challenges faced by modern construction, 18 Infratech helps clients leverage BIM to improve project outcomes, reduce costs, and meet sustainability goals.

Arpita Singla is a content writer at 18 Infratech, contributing to sharing the company’s innovative approach to BIM and its impact on the AEC industry. 18 Infratech is a leading BIM service provider in Australia, and Singapore.