BIM Level of Development (LOD)
Defining precision and detail at every stage
Overview
LOD 100 - Conceptual Massing
LOD 200 - Approximate Geometry
LOD 300 - Precise Coordination
LOD 350 - Shop Drawing Detail
LOD 400 - Fabrication & Assembly
LOD 500 - As-Built & Facility Management
LOD Progression & Project Phases
Overview
Step 1 of 8
Level of Development (LOD) specifies the degree of detail and reliability of BIM model elements at different stages of a project. It defines both the geometric detail and the information richness of model components, ensuring clarity about what can be expected from a model at each project phase.
Defines degree of detail and reliability at different project stages
Specifies both geometric detail and information richness
Ensures clarity about model expectations at each phase
Maps to specific project phases from concept to operations