4 Levels of BIM Model and BIM Modeller Requirements 

Using 3D BIM model or Building Information Modelling

Building information modelling (BIM) is a collaborative process that includes developing and maintaining digital representations of a building project’s structural and functional details. Architects, engineers, contractors, and facility managers can all collaborate more effectively by integrating information using the BIM framework. BIM is sometimes divided into several levels, each of which corresponds to a certain level of complexity and maturity in the BIM process’s application. The many layers of the BIM model and their importance will be discussed in this article.

Level 0: 

Level 0 is the simplest version of BIM, employing 2D CAD (computer-aided design) drawings for drafting and documentation. At this level, communication and electronic interchange of information are not commonplace, and each discipline normally operates independently, utilising its own set of blueprints and written materials. There is a lack of coordination and communication among the various parties, which could result in construction-related mistakes, delays, and conflicts. Level 0 does not fully utilise digital technologies and lacks the collaborative and information-sharing elements of BIM Model.

Level 1: 

Using the Common Data Environment (CDE), Level 1 introduces a more coordinated approach by standardising CAD designs and information sharing amongst various stakeholders. The cooperation is restricted to file-based exchange, and the information is still predominantly shown in 2D format. Digital files specified by each BIM modeller are preserved and transferred at specific project stages. While this level does a better job of coordinating and minimising errors, it falls short of offering the full integration and interoperability that more advanced BIM levels do.

Level 2: 

The application of BIM has significantly advanced with Level 2. The idea of a “common data environment” (CDE), which acts as a central repository for project data, is introduced. BIM modellers at this level make use of 3D models for design and coordination. Software appropriate to each subject is used to build the 3D models, which are then sent to the project team via the CDE. But the models from many disciplines are still distinct and incompletely integrated. The cooperation is still file-based, and information is exchanged at set intervals rather than instantly. Although Level 2 BIM construction may not offer a fully collaborative environment, it does enhance coordination, minimise conflicts, and enable improved visualisation.

Level 3: 

Level 3 is the most advanced BIM maturity level and is also known as “fully collaborative BIM.” At this stage, all project participants collaborate in real-time while working on a common 3D model. A single source of truth for all project information, including geometry, requirements, timetables, budgets, and more, is the 3D model. All stakeholders have access to the model, which is constantly updated, allowing them to contribute and get the data they require. Level 3 BIM promotes a collaborative work environment, which also improves project outcomes and decision-making. For improved visualisation and simulation, it also makes it possible to integrate new technologies like augmented reality (AR) and virtual reality (VR).

Level 4 and thereafter:

While degree 3 is the greatest degree of BIM maturity currently recognised by the industry, discussions about and research into additional levels are continuing. BIM will be integrated with cutting-edge technologies like the Internet of Things (IoT), artificial intelligence (AI), and machine learning (ML) at Level 4 and beyond. These levels are designed to make it possible to use sophisticated features like automated decision-making, predictive maintenance, and real-time monitoring and analysis of building performance. Even though Level 4 and above are still in the research and development stage, they have the potential to further revolutionise the building sector.

BIM Modeller Requirements

With that said, using Building Information Modelling requires technical expertise, and you can’t just use the software and understand it in one go. A number of conditions must be satisfied in order to become a skilled BIM (building information modelling) modeller. The following are the essential qualifications for a career as a BIM modeller:

  • Education and experience: It is crucial to have a strong educational foundation in architecture, engineering, construction management, or a similar profession. The ideas and procedures involved in construction projects are best understood with a bachelor’s degree or higher in one of these fields. It also aids in learning about structural systems, building practises, and design ideas. To further develop technical skills and experience, courses or certifications tailored to BIM software and processes are particularly valuable.
  • Knowledge of BIM Software: A BIM modeller must be proficient in BIM software. The most popular software in the sector comprises Bentley Systems’ products as well as Autodesk Revit, AutoCAD, Navisworks, and ArchiCAD. To develop, edit, and manage 3D models, as well as extract and analyse data from the models, one must be familiar with these software programmes and their features. BIM modellers are able to cooperate and communicate effectively with other team members when they possess strong technical skills in these software tools.
  • Understanding of Construction Processes: A BIM modeller must have a thorough understanding of the various construction processes. This covers understanding MEP (mechanical, electrical, and plumbing) and architectural systems. It’s also important to be knowledgeable about the rules, guidelines, and ordinances that govern building design and construction. Construction drawings, specifications, and other project papers should be able to be accurately translated into digital models by a BIM modeller. Effective coordination and collision detection between various building systems inside the model are made possible by this understanding.
  • Accuracy and Attention to Detail: A BIM modeller must possess strong attention to detail and an accurate eye. They must be able to thoroughly examine and confirm the data to make sure that the digital representations of the construction project appropriately reflect the actual physical site. Maintaining data integrity, coordinating numerous systems, and averting conflicts or collisions within the model all depend on meticulous attention to detail. In order to handle problems and reconcile differences that develop during the modelling process, a BIM modeller should also have good problem-solving abilities.
  • Communication and Collaboration Skills: Working together with other stakeholders is a key component of the job of a BIM modeller. Understanding project needs, collaborating with architects, engineers, contractors, and other team members, and resolving any disagreements or challenges that may occur all depend on effective communication and teamwork abilities. BIM modellers must take an active role in interdisciplinary coordination meetings and have excellent communication skills.
  • Continuous Learning and Adaptability: As new technology, tools, and techniques are developed, the BIM industry is always changing. It is essential to embrace lifelong learning and consistently update your skills and knowledge if you want to succeed as a BIM modeller. It’s crucial to stay current with industry trends, go to conferences, workshops, and training sessions, and actively participate in professional development opportunities. Maintaining the vanguard of BIM practises requires flexibility with new software releases, workflows, and industry standards.

In conclusion, the different levels of BIM represent varying degrees of maturity in the implementation of the BIM process, and in order to proceed with all levels, the individual has to meet all the requirements that are needed to be a BIM modeller. As BIM construction continues to evolve, the industry strives to push the boundaries and explore new frontiers of technology integration, ultimately driving innovation and improving the way buildings are designed, constructed, and managed.

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