Knowledge Base

Understanding
the Level of Detail in a BIM Model

Providing flexibility by offering five different building output options in your 3D model ensures you have the data needed to make the most informed decision.

What is a Level of Detail (LOD)?

Level of Detail (LOD) defines the content or information of a physical space. This information is what will ultimately make up the Building Information Model (BIM).

The LOD refers to two elements: the geometry or visual representation of a project, and the related metadata. The two elements together will allow for a complete digital twin of the space.

Here are three examples of how professionals will require different LODs in order to provide the specific work related to their job.

Architects and designers

Architects and designers will rely on Architecture LODs in order to work within the existing walls of a space.

Asset managers

Asset managers could benefit from a detailed MEP LOD in order to track the aging assets and other various FFE to manage capital expenditures.

Property managers

Property managers can inventory and code building elements and complete the building records for support and maintenance.

The 5 Levels of Detail (LOD)

Architecture

Capture the fundamental components of the building’s internal structure, including walls, doors, stairs, and windows. This option provides you with a solid foundation to work with.

Architecture and Interior Furniture

Expand the possibilities with generic models of non-architectural features, such as tables, seating, cabinets, appliances, and wall fixtures. This inclusive package adds depth and realism to your designs.

Architecture and MEP

Obtain generic models of existing conditions, modeled to size, of interior architecture and visible MEP systems, including but not limited to mechanical equipment, piping, plumbing, and electrical outlets. This option eliminates the guesswork of existing systems.

Architecture, MEP, and Interior Furniture

Dive into the details with a comprehensive representation of interior architecture, furniture, and mechanical, electrical, and plumbing systems. Experience the pinnacle of modeling with the closest approximation to a one-to-one Matterport digital twin. This package provides stakeholders with a seamless jump-start to their work.

Architecture, Complex MEP, and Industrial Spaces

Specialized models designed specifically for engineering workflows in complex mechanical and manufacturing spaces. These models are perfect for plant rooms, fulfillment centers, and manufacturing facilities. Engineers can easily document the sizing, locations, and configurations of mechanical equipment and piping.

Why Should You Have Levels of Detail (Lod)?

LOD 100 (symbolic representation) – is the elementary model of the project and is represented graphically with a symbol or other generic and schematic representation;;

LOD 200 (generic system) – the model element is graphically represented within the model as a generic object with still approximate quantity, size, shape, position and orientation. Non-graphical information may also be attached to the geometric elements;

LOD 300 (specific system) – the model element is graphically represented within the model as a specific system, in which the object has specific quantities, dimensions, shapes, position and orientation. Non-graphic information is also linked to the geometric elements, which is more in-depth than the previous level;

LOD 400 (fabrication) – the model element is graphically represented within the model as a specific system, in which the object has specific dimensions, shape, position, quantity and orientation with further details for its fabrication, assembly or installation. More in-depth non-graphical information is linked to the geometric elements than in the previous level;

LOD 500 (verified representation – as built) – the model element is a verified representation on site in terms of size, shape, position, quantity and orientation. Definitive non-graphical information is linked to the geometric elements. .

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