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BIM articles

Articles from IMI Design on bim: practical guidance for architects, developers, contractors and building owners.

3D model of the same duct run at five levels of development, from a simple mass at LOD 200 to an insulated, supported and site-verified run at LOD 500

BIM

LOD in BIM Explained: What LOD 200, 300, 350, 400 and 500 Mean

A plain-English guide to LOD in BIM (Level of Development): what each level contains, which stage of a project it suits, and how to specify LOD in a BIM scope.

5 October 2026 · 3 min read

3D BIM clash model: a fire sprinkler main rerouted below a concrete beam, with the original clashing route shown as a red ghost

BIM

How BIM Clash Detection Saves Money on Site

What BIM clash detection is, the clashes it finds, how a coordination cycle works, and why fixing clashes in the model costs far less than on site.

16 September 2026 · 3 min read

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