It can be a sound strange to work in "4D" but in this post will propose a menu of several different ways to use 4D planning ranging in complexity and usefulness.
Simply put, 4D is finding a way to meaningfully represent a series of intermediate 3D steps progressing over time. It is in this broader definition of 4D that we can build the menu of how to practically make it work for different organizations with different needs, expectations and desires.
Progress Vignettes - the first step in 4D and you might already be doing it!
A series of still images of the virtual 3D project that show important stages in access or logistics.
Why use it?
Represent key alterations to pedestrian traffic, fencing, and site access as the project progresses.
Show changes in site material storage, temporary buildings, logistics equipment over time.
Communicate swing space for renovation or phased construction process.
Situational Simulation - Why "boil the ocean" when what you need is to "circumcize the mosquito", figuratively of course.
Consider a detailed simulation of only a specific critical moment to help planning and shared understanding of a complex situation and may discover opportunities to increase speed and decrease risk.
Why use it?
Large equipment routing through a progress model or laser scanned point cloud.
Feasibility studies of offsite assembly opportunities.
Worker egress and material movement simulation and optimization.
Whole project condensed animation - also referred to as "Hollywood BIM"
This is the 60 second to 4 or 5 minute less-than detailed simulation usually resulting in lots of "oohs" and "ahs" especially from owners. Unfortunately it doesn't provide a lot of value outside of promotional material and demonstrating a level of sophistication or investment with project planning .
Whole project planned vs. actual digital 4D twin - A wordy title/description but it really is the "big idea" around 4D.
Why use it?
Compare progress to payouts,
Track material, improve wayfinding and safety onsite.
Empower the owner and project executives to visualize and consume vast amounts of planning data in a virtual 3D or immersive format.
If you are curious about your 4D menu of services, consider the cost vs. value of each solution and always build a practical purpose or business value proposition.
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