Level of Development (LOD) Specification - BIM Forum Latest Version Download LOD Spec 2025 Background The Level of Development (LOD) Specification is a reference that enables practitioners in the AEC Industry to specify and articulate with a high level of clarity the content and reliability of Building Information Models (BIMs) at various stages in the design and construction process
BIM Forum The LOD Specification 2025 is now available in Spanish, expanding access to one of the industry’s most widely used BIM references for defining model content and reliability at different project stages This Spanish edition helps support clearer communication and consistent expectations for Spanish-speaking teams across design, construction, and operations, further enabling global
Supplement to LOD Spec 2021 - BIM Forum The LOD definitions included in the LOD Specification versions 2013 through 2021 are the definitions from the AIA 2013 suite of Digital Practice documents plus the BIMForum’s definition of LOD 350 and minus the definition of LOD 500, along with the BIMForum’s fundamental interpretations
2025 LOD Specification in Spanish – BIM Forum The LOD Specification 2025 is now available in Spanish, expanding access to one of the industry’s most widely used BIM references for defining model content and reliability at different project stages This Spanish edition helps support clearer communication and consistent expectations for Spanish-speaking teams across design, construction, and operations, further enabling global
Official Release: 2025 LOD Specification – BIM Forum LOD Spec 2025 The 2025 LOD Specification is now available from BIMForum This release continues to provide a structured, consistent framework for defining model expectations and improving collaboration across the built environment
Level of Information Need and LOD – BIM Forum ISO 7817-1 Level of Information Need released a year ago [2024-06] outlines concepts and principles of information requirements, and Level of Development (LOD) supports implementation of the geometric aspects of that standard They interoperate synergistically to provide a practicable toolset for data management of built environment projects and resulting durable assets Learning Objectives
LEVEL OF DEVELOPMENT LOD SPECIFICATION The LOD Specification is an organized collection of interpretations of the AIA’s LOD definitions describing input and information requirements and providing graphical examples of the different levels of development of a broad variety of building element classes
LOD Specification 2018 Part I - BIM Forum LOD Spec Guide The Level of Development (LOD) Specification is a reference tool intended to improve the quality of communication among users of Building Information Models (BIMs) about the characteristics of elements in models The LOD Specification expands upon the LOD schema developed by the American Institute of Architects (AIA) for its
2023 Level of Development (LOD) Specification - BIM Forum The BIMForum LOD Specification therefore is an integral part in enabling and driving efficiencies into collaborative processes The current LOD Specification has received a major update relative to its previous versions This update is based on user feedback and internal review efforts to enhance the usability and utility of the document