Construction Manager In Training (CMIT) Practice Test

In BIM terminology, what does the 5D designation indicate?

Schedule Cost Quality Phasing

Correct Answer:

Cost

Explanation:

Cost is what the 5D designation represents in BIM. It means the model is linked with cost data, so quantities generated from the 3D model feed into cost estimates, budgets, and procurement planning, and updates occur automatically as the design or schedule changes. The 4D dimension already adds time/scheduling, and the 3D model covers geometry; adding cost in 5D lets you see how design decisions impact overall cost in real time. Quality work, while essential, is handled through QA/QC processes rather than a BIM dimension, and phasing relates to scheduling/sequencing rather than a separate dimensional label.

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