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All you need to know about 3D BIM Modelling

What is BIM?

Building Information Modelling (BIM) is a very collaborative process allowing architects, engineers, contractors, real estate developers, manufacturers, and other professionals in the construction industry to plan, design, and construct a building or structure within a 3D model. The creation of a 3D model is the starting point of a BIM; thus, it is easier to manage the document and coordinate the simulation while construction is ongoing.

BIM helps in the creation and management of data during design, construction, and operation processes. The technology combines multi-disciplinary data to produce detailed digital representations that can be managed in an open cloud platform for real-time collaboration. BIM offers greater visibility, better decision-making, more sustainable options, as well as cost-effective solutions on AEC projects.

The uses of 3D BIM Modelling

BIM is useful in the designing and documenting building and infrastructural projects. A BIM organises all the details of a building or structure in a model, which is analysed to observe different design possibilities; and to construct visual concepts, providing all the project stakeholders with a view of how the building will appear before beginning construction work. The model presents various appearances of the building during construction.

What is the process of 3D BIM?

  • Data Collection: A 3D laser scanner scans the targeted area. The captured data is in 3D point cloud set, and in the 3D coordinate system, encompassing the external area of the site of interest.
  • Data imported to Modelling Software: The primary data collected in the point cloud is usually not clear, so the point cloud is imported to register the data and create a single point cloud file to use as reference when building the model.
  • Converting Point Cloud to BIM Model: The point cloud data is extracted from the modelling software and imported to BIM authorised software such as Autodesk Revit or ArchiCAD to create an intelligent BIM model.

Key benefits of BIM Models

1. Provide a comprehensive analysis of the building
Manual surveying was characterised by difficulty in determining an issue in a design or other structural components of a building for renovation or re-structuring. Using laser scanning and 3D modelling techniques make it easy to convert point cloud to BIM. An in-depth analysis of a building displays the critical problems before renovation or demolition of the building. With a 3D model, you can easily redesign and investigate the damaged parts of a building.

2. Reduce the time spent on the field
Surveying an existing building using laser scanning technique minimises the time spent by surveyors and technicians. Manual surveying technique usually requires 3 to 4 technicians to measure, record, and collect information on an existing site. The use of laser scanners greatly reduces the number of return trips to the field, making it an efficient method of surveying an old or existing building.

3. BIM Models enhance collaboration
The 3D model produced from point cloud images helps the designing team, architects, contractors, and other stakeholders to collaborate effectively. It is easy to identify any bug or pitfall in the new design as the designing team can have a look at the new design simultaneously. Team members can suggest and discuss the needed updates in a more smooth and efficient manner.

Contact The Team!

Our measured survey professionals are on standby to deliver efficient and cost-effective 3D BIM modelling service across Derby. Reach out and get a quote!

CONTACT THE TEAM

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    Author: Sonia