Working with BIM

03Jul13

How to Make the Most of BIM in Construction

If your firm is using building information modeling (BIM), you already know the benefits it brings to the construction process and your clients’ management of their assets. But are you reaping the full advantages of BIM?

For many construction contractors, BIM is primarily an office tool that provides valuable insights before crews begin their work on the jobsite. From there, however, the model is often converted to a 2D drawing that is familiar but limited in the amount of data it can offer. Construction crews proceed the best they can with the information at hand, using plumb bobs and tape measures to complete the layout process. The real-time field data that is essential to a successful BIM process is lost through critical gaps that are generally accepted as the norm.

Bridging these gaps requires three key steps that connect the field with the office for a complete, highly intelligent BIM cycle.

1. Inform the model with real-world conditions. Many models are developed from as-built paper drawings that are outdated and inaccurate, which leads to problems in the field during construction. Beginning with a solid foundation of accurate, reliable information is imperative to avoiding rework and streamlining the process. One easy way to take the guesswork out of the equation is by using laser scanners to capture real-world conditions. The resulting as-built point cloud can then be converted to an as-built model or used natively to inform new construction. This practice can be applied to renovation projects, demolitions and any situation where documenting the existing space can provide valuable intelligence that reduces rework and waste.

Read the full article here

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