4D BIM for Construction

Job Cams and the Power of 4D: That's Innovation!

Posted by Sue Dengenis on Feb 19, 2014 5:37:14 PM

In his article, “Construction Job Cams Become Common, Useful Tool”, (ENR January 6/13, 2014), Tom Sawyer outlines the uses and benefits of job site cameras.  The ENR article states that the growing use of job cams is being propelled by, among other things, the growing use of building information modelling (BIM).  Not only are specs requiring job site cameras, there is also a noticeable trend globally to require 3D models and 4D construction visualizations in project specifications- from tender bids to design/build and commissioning.  Innovative companies have found that when used in combination, job cams and 4D visualizations become a very powerful tool, as 4D provides a context against which job cams images can be viewed.

“Jobsite cameras take scheduled photos from static positions and stream them to private users or public websites, stringing together the images as movies of projects going up or to archive for later use. While the cameras are a hit with developers and marketers of high-end residential buildings and flagship projects, they are becoming a general construction staple, written into specs from the start, say users and vendors.”

  Job Cams are used for a variety of purposes:

  • Monitor progress- remotely and on multiple projects concurrently
  • Improve safety-identify and respond to items of concern when they occur
  • Marketing/PR- showcase your company work through short time lapse capture of the project.
  • Security- often a secondary purpose.

Value Increased when Planned vs. Actual is put in Visual Context

Used independently, job cams provide excellent visual documentation. When used in side-by-side analysis of planned (4D visualization) versus actual (job cam), the value increases enormously.    By adding context, 4D transforms job cams into much more than visual documentation; they become a tool for proactive management.  A number of projects are using this innovative approach to managing their projects.

The image below provides an example.  The schedule identifies the place in time that was planned by the project delivery team.  The 4D visualization on the bottom left visually illustrates what is represented in the 2D bar chart in real time.  The visualization can be as detailed or general as required.  The image on the right is the job cam photo from the site at the same point in time.

job_cam_image

Job cams are good, job cams and 4D together are an innovative and efficient approach to project management because the images now have context.

Image provided by Synchro Software Ltd.

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