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The document introduces LOD concepts, clarifies relationships between level of development and level of detail, and defines fundamental LOD terminology and caveats. 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2013  \nFor Building Information Models  \nContents  \nContents ................................ ................................ ................................ ................................ ................................ ................................ ..... 2  \nAcknowledgements .................................................................................................................................................................................. 6  \nLevel of Development (LOD) Specification Introduction ...................................................................................................................... 8  \n1 Overview ........................................................................................................................................................................................... 8  \n2 Background ...................................................................................................................................................................................... 8  \n3 Levels of Development .................................................................................................................................................................... 9  \n3.1 Level of Development vs. Level of Detail.............................................................................................................................. 9  \n4 LOD Definitions ................................................................................................................................................................................ 9  \n4.1 Fundamental LOD Definitions ............................................................................................................................................. 10  \n4.2 Caveats .................................................................................................................................................................................. 11  \n4.3 Project-Specific Information ................................................................................................................................................ 11  \n5 Updates of This Document ............................................................................................................................................................ 12  \nRevision History ....................................................................................................................................................................................... 12  \nA: SUBSTRUCTURE ............................................................................................................................................................................... 13  \nA10 Foundations .................................................................................................................................................................................. 13  \nA1010 – Standard Foundations ........................................................................................................................................................ 13  \nA1020 – Special Foundations........................................................................................................................................................... 15  \nA20 Subgrade Enclosures .................................................................................................................................................................... 16  \nA2010 – Walls for Subgrade Enclosures .......................................................................................................................................... 17  \nA40 Slabs-on-Grade ........................................................................................................","cbCaimFlefC8f0yb","https://ap.wps.com/l/cbCaimFlefC8f0yb","pdf",3498060,125,"English","# Contents\n## Acknowledgements\n## Level of Development (LOD) Specification Introduction\n## 1 Overview\n## 2 Background\n## 3 Levels of Development\n## 3.1 Level of Development vs. Level of Detail\n## 4 LOD Definitions\n## 4.1 Fundamental LOD Definitions\n## 4.2 Caveats\n## 4.3 Project-Specific Information\n## 5 Updates of This Document\n## Revision History\n## A: SUBSTRUCTURE\n## A10 Foundations\n## A1010 – Standard Foundations\n## A1020 – Special Foundations\n## A20 Subgrade Enclosures\n## A2010 – Walls for Subgrade Enclosures\n## A40 Slabs-on-Grade\n## A4010 – Standard Slabs-on-Grade\n## A4020 – Structural Slabs-on-Grade\n## B: SHELL\n## B10 Superstructure\n## B1010 – Floor Construction\n## B1020 – Roof Construction\n## B1080 – Stairs\n## B20 Exterior Vertical Enclosures\n## B2010 – Exterior Walls\n## B2020 – Exterior Windows","[{\"question\":\"What is the purpose of the Level of Development (LOD) Specification Version 2013?\",\"answer\":\"It establishes definitions and guidance for specifying the information content expected in Building Information Models (BIM).\"},{\"question\":\"How does Level of Development relate to Level of Detail?\",\"answer\":\"The document includes a dedicated section explaining the relationship between LOD and level of detail to avoid confusion in BIM communication.\"},{\"question\":\"What kinds of BIM elements are covered in the detailed LOD definitions?\",\"answer\":\"It provides structured definitions for substructure and shell categories, including foundations, subgrade enclosures, slabs-on-grade, and superstructure and exterior components.\"}]","Level of Development Specification - Version 2013 - For Building Information Models | PDF",1792793007,315]