Revit Model LOD | Level of Detail - Level of Development

Posted by Daniel Hughes on Aug 5, 2016 8:30:00 AM

Defining and managing BIM models' Level of Detail (LOD) --or Level of Development is reviewed in great detail (no pun intended) by Antony McPhee, Registered Architect Melbourne, Victoria, Australia and Author of Practical BIM Blog.

Antony extensively researched his BIM LOD article; What Is This Thing Called LOD?. He provides BIM LOD Definitions from multiple countries and professional associations with descriptions and images.

Antony's LOD article serves as a great discussion tool; as BIM-based organizations define both their internal and project BIM & Revit modeling standards.

Excerpt from What Is This Thing Called LOD?,

What Exactly is Level of Development?

Therefore; a BIM Level of Development (LOD) for a chair might go:

LOD 100 = there is a chair
LOD 200 = there is a chair that has nominal space requirement of 500x500
LOD 300 = there is a chair with arm rests and wheels
LOD 400 = manufacturer and model number.
LOD 500 = manufacturer and model number, supplier, date purchased

or in General Terms:

LOD 100 = there is a thing
LOD 200 = there is a thing about this size
LOD 300 = there is a thing with these functions and options
LOD 400 = it is this particular thing.
LOD 500 = this particular thing provided by this person on this date.

Continue Reading the Entire Article: What Is This Thing Called LOD?

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Daniel Hughes

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