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| − | {{Out_of_scope}}
| + | The Level of Development in a [[BIM]] specifies what data must be in the model at what stage in the project development. The main specification is the American BIMforum document [https://bimforum.org/LOD/ Level of Development (LOD) Specification] parts I and II. |
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| − | The Level of Development in a [[BIM]] specifies what data must be in the model at what stage in the project development. The main specification is the American BIMforum document [https://bimforum.org/LOD/ Level of Development (LOD) Specification] parts I and II. A good introduction is a 2014 presentation from the American Institute of Architects called [https://network.aia.org/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=6a27a32c-93e0-4ebc-8ec1-f31c52cf71a4 What is this things called LOD?]
| + | There is also a Danish standard developed by [https://www.dikon.info/ Digital Konvergens (DiKon)] and [http://www.bim7aa.dk/ BIM7AA] called The [http://www.bim7aa.dk/DIKON_BIM7AA_Bygningsdelsspecifikationer_UK.html Specification of Building Parts]. The Danish specification breaks the Level of Development down into three components: Level of Reliability (LOR), Level og Geometry (LOG), Level of Information (LOI). This allows for the specification of a detailed model with little data (perhaps for rendering), or an information rich model with basic geometry (perhaps for facility management). |
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| − | Unfortunately there are multiple definitions of the abbreviation LOD refering variously to Level of Detail, Level of Design and Level of Development. What is important is that they all refer to what must be delivered and when.
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| − | With the introduction of ISO19650 the International Standard Organisation has renamed and redefined some of these terms based on the former British standard series [https://www.designingbuildings.co.uk/wiki/BS_1192 PAS 1192].
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| − | =National Standard=
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| − | ==United States of America==
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| − | The main specification is the American BIMforum document [https://bimforum.org/LOD/ Level of Development (LOD) Specification] parts I and II. This is also regarded by many as the defining international standard.
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| − | ==Denmark==
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| − | There is a Danish specification (available in English) developed by [https://www.dikon.info/ Digital Konvergens (DiKon)] and [http://www.bim7aa.dk/ BIM7AA] called The [http://www.bim7aa.dk/DIKON_BIM7AA_Bygningsdelsspecifikationer_UK.html Specification of Building Parts]. The Danish specification breaks the Level of Development down into three components: Level of Reliability (LOR), Level og Geometry (LOG), Level of Information (LOI). This allows for the specification of a detailed model with little data (perhaps for rendering), or an information rich model with basic geometry (perhaps for facility management).
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| − | ==United Kingdom==
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| − | =See also=
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| − | * [[Level of Detail]]
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| | =External Links= | | =External Links= |
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| | * http://www.bim7aa.dk/ | | * http://www.bim7aa.dk/ |
| | * https://bimforum.org/LOD/ | | * https://bimforum.org/LOD/ |
| − | * https://www.designingbuildings.co.uk/wiki/Level_of_detail_for_BIM
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| − | * https://www.designingbuildings.co.uk/wiki/BS_1192
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