A Leading EPC’s Experience Using HDS Services on Multiple Projects

Leading EPCs experience

One of the first presentations I attended at HxGN LIVE 2013 was from Tellepsen – a Houston-based contractor that’s partnered with a local scanning company called Truth. They shared lots of great examples, but the one that hit home was their use of point clouds and Navisworks.

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They scanned one of their projects under construction after about 50 percent of the overhead work was complete. This point cloud went into their federated Navisworks model; in an instant, they could verify just how close the model was (or wasn’t) to field conditions. We all know shortcuts are commonplace in the field and it was interesting to actually see these in the model.

Tellepsen also hit on something we’ve struggled with: clashing with a point cloud. Navisworks, our primary clash detection tool, sees a point cloud as a single object and therefore clashes with everything. Their best bet was to break the model up into zones and clash these zones separately, but that’s still not ideal. As HDS becomes more prevalent, I hope Autodesk has big plans for this medium in the future. Autodesk Recap and their new point cloud engine built into Navisworks and Revit is a great start for the 2014 suite.

Read more about clashing point clouds here.

A senior engineer in Holder Construction's Building Information Modeling group, Zack is responsible for multiple BIM-enabled projects in all phases of construction both on-site and remotely. Responsibilities include model data management, BIM execution planning, visual controls, 4D scheduling, constructability modeling, clash detection, hardware/software procurement and maintenance, preconstruction support including trade procurement.

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