4D BIM for Construction

Who Should Lead 4D?

Posted by Ken McBroom on Feb 10, 2015 4:00:00 PM

 With the ever increasing advancement of technology, there come new opportunities, along with creation of new roles and responsibilities to use this new technology. When I started in construction, MEP coordination (how the systems would physically need to be installed in the overhead space of a building) was done using light tables and overlays. 

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VDC/BIM: Top-Down or Bottom-up Implementation?

Posted by Leonardo Rischmoller on Feb 6, 2015 3:22:00 AM

top_down_bottom_up

Based on my experience, I have seen that when an explicit or tacit decision to choose between a top-down or a bottom-up approach to BIM/VDC implementation is made, companies and projects are biased through the top-down approach. 

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Synchro Unveils Mobile 4D Construction App at Conference

Posted by Sue Dengenis on Jan 22, 2015 6:35:00 PM

Synchro Software Ltd. (synchroltd.com) held its fourth annual 4D Construction conference last week at the San Diego Marriott Marquis Marina.   Over 120 people were present to see the unveiling of the new mobile app the company is developing to bring their 4D technology to construction sites.  “At Synchro, it is our tradition to provide continuous software improvements to keep pace with the user communities’ demand for increased capabilities within 4D Construction Project Management.” Said Tom Dengenis, CEO.

In addition to the mobile app, the company released an update to its' award winning Synchro PRO software.  The new release, PRO 5, has a long list of new features such as a direct integration with Navisworks and Bentley iModel, improved workflow enhancements and a new Risk Analysis tool.  A complete description of the new features is available at https://synchroltd.com/synchro-pro-5-release-notes/.

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Building a 4D Strategy on Top of VDC Principles

Posted by Jon Berkoe on Nov 13, 2014 8:37:34 PM

I like to think of Virtual Design & Construction (VDC) as a process that ideally flows through a project, digitally (i.e., virtually) creating, collecting, transporting, and delivering project data from design through construction.  The VDC process includes software, hardware, and people – ideally all in the proper configurations and locations to allow for cooperative participation, and enabled to deliver a high performing (i.e., optimized) constructed facility.  In this context you could say that if BIM is the car then VDC is the driver.  While there are a multitude of toolsets and techniques used, in my opinion there are essentially four “foundational” principles that provide a set of basic requirements for a well-designed and well executed VDC-enabled project.  Simply put, these are as follows –

  1.  Flow of information – data must flow continuously and non-selectively between project phases and  users.
  2.  Measurement/Control – data must be traceable and easily controlled, and allow for performance  metrics to be measured.
  3.  Impact on Construction – VDC should drive a construction process that meets schedule, reduces  cost, increases quality and minimizes risk.
  4.  Accessibility – VDC should enable data to be accessed by everyone involved in the project  (designers, planners, buyers, managers, builders, etc.) at the point of use and in the format required.

In this context, 4D planning is arguably the most critical aspect of VDC, in that it purposefully ties the schedule progress to the design/build progress, thus enabling a timely, accurate, and useful construction plan.  In order to align with the above VDC principles and fulfill the requirements for successful implementation, the 4D approach should align with an equally important set of basic principles, which I would suggest are as follows -

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