4D simulations are often used to show the construction sequence for an entire project, but shorter simulations that focus on a specific period of time are also useful.
- Can you provide examples of how a simulation that focuses on a 1 or 2 week period could be useful for planning?
A 1–2 week 4D simulation might be useful for detailed planning and coordination during a critical phase of construction to help visualize material deliveries and crane or lift usage, or identify clashes in site logistics such as access paths. It would help with confirming sequencing, labor needs, and risk points for the upcoming weeks.
What level of detail should be included in a 4D simulation?
- Should you include all of the elements in the building model?
A 4D simulation should not include every element in the full building model, just the level of detail necessary to clearly communicate construction sequencing. Small fixtures, interior finishes, or minor MEP elements often add visual noise without improving clarity. Instead, prioritize structural elements, major architectural components, and other elements that influence schedule and coordination.
How can the feedback shown in a 4D simulation help you to optimize the project schedule?
- What are the main benefits of linking model elements to the project schedule?
Feedback from a 4D simulation helps optimize the project schedule by making sequencing conflicts, workflow inefficiencies, and logistical constraints immediately visible. When model elements are linked to the schedule, teams can clearly see how tasks overlap, improving resource allocation and a more reliable, data-driven schedule.