BIM glossary of terms
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|4D||Construction sequencing information|
|6D||Project lifecycle information|
|Actual Digital Questions (ADQ)||These break down Plain Language Questions (PLQ) in a way that means they can be answered with a digital answer|
|Assembly||A physical aggregation of components|
|Asset Information Model (AIM)||A model that compiles the data and information necessary to support asset management|
|Asset Information Requirements (AIR)||Define the information required for an Asset Information Model|
|Attribute||A piece of data that describes a characteristic an object or entity|
|BIM Collaboration Format (BCF)||An open file format based on XML that allows the addition of comments to an Industry Foundation Classes BIM model|
|BIM Execution Plan (BEP)||A developing strategy prepared by suppliers that comprises a pre-contract BIM execution and then a post-contract BIM execution plan|
|BIM maturity levels||The levels of complexity and collaboration that building information modelling can take|
|BIM protocol||A supplementary legal agreement that can be incorporated into professional services appointments, construction contracts, sub contracts and novation agreements|
|BIM Task Group||Bringing together expertise to strengthen the public sector's BIM capability and provide the information the industry needs to meet the government's BIM requirement|
|BS 1192||Collaborative production of architectural, engineering and construction information. Code of practice.|
|BS 1192-4||Collaborative production of information Part 4: Fulfilling employer's information exchange requirements using COBie – Code of practice|
|BS 7000-4||Design management systems. Guide to managing design in construction.|
|BS 8536-1||Briefing for design and construction – Part 1: Code of practice for facilities management (Buildings infrastructure)|
|BS 8541||Library objects for architecture, engineering and construction.|
|BS ISO 16739||Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries|
|BS ISO 55000||Asset management – Overview, principles and terminology|
|Building Information Modelling (BIM)||A very broad term that describes the process of creating a digital model of a building or other asset (such as a bridge, highway, tunnel and so on) using object-oriented information|
|BuildingSMART Data Dictionary (bSDD)||A catalogue of what objects are called (the 'vocabulary')|
|CAFM||Computer-Aided Facility Management|
|CIC BIM Protocol||The Construction Industry Council Building Information Modelling Protocol: Standard protocol for use in projects using Building Information Models|
|Clash Rendition (CR)||A rendition of a building information model specifically to avoid clashes in spatial co-ordination|
|CMMS||Computerised Maintenance Management System|
|Common Data Environment (CDE)||The single source of information for the project, used to collect, manage and disseminate documentation, the graphical model and non-graphical data for the whole project team|
|Component||A physical item or feature|
|Construction Operations Building Information Exchange (COBie)||A non-proprietary multi-page, spreadsheet data format for the publication of a subset of building information models focused on delivering asset data rather that geometric information|
|Contractor's proposals||Set out contractor's proposals for designing and constructing a built asset, along with their price|
|CPI||Construction Project Information|
|CPIc||Construction Project Information Committee|
|CPIx||Construction Project Information Xchange|
|CSG||Constructive Solid Geometry|
|Data||Information that has not been interpreted|
|Data drops||Information of a particular format and level of detail issued to the client at pre-defined stages of a project. Also known as information exchange|
|Data manager||A procedural gate-keeper who sets up and manages an asset information model|
|Design intent model||The initial version of the project information model (PIM)|
|DGN||MicroStation and Intergraph file format|
|Digital Built Britain||Digital Built Britain, Level 3 Building Information Modelling - Strategic Plan.|
|DWF||AutoCAD Design Web Format|
|DWG||AutoCAD file format|
|DXF||Interchange file format|
|Employer's Information Requirements (EIR)||Set out the information required by the employer aligned to key decision points or project stages, enabling suppliers to produce an initial BIM execution plan from which their proposed approach, capability and capacity can be evaluated|
|Employer's requirements||Provide a description of all the client's requirements for a built asset, in response to which contractors prepare contractor's proposals|
|Employer's decision point||Project gateway aligned to key stages at which information is provided to answer the employer's plain language questions and a decision is taken about whether to proceed|
|Federated building information model||An assembly of distinct models to create a single, complete building information model of an asset|
|Government Soft Landings (GSL)||The process of aligning the interests of those who design and construct an asset with the interests of those who use and manage it. GSL sits alongside BIM, as BIM feeds into Computer Aided Facility Management (CAFM) systems, and helps enable future alterations to completed buildings|
|iBIM||Integrated Building Information Model, or Level 3 BIM|
|ICT||Information and communications technology|
|IFC2x||Industry Foundation Class version 2x|
|Industry Foundation Classes (IFC)||A neutral, non-proprietary data format used to describe, exchange and share information|
|Information Delivery Manual (IDM)||Specifies when certain types of information are required during the construction of a project or the operation of a built asset. Now known as the buildingSMART standard for processes|
|Information exchange||Information of a particular format and level of detail issued to the client at pre-defined stages of a project. Also known as data drop|
|Information management process (IMP)||Procedures implemented to manage the asset information model.|
|Information manager||A procedural gate-keeper who sets up and manages the common data environment (CDE)|
|International Framework for Dictionaries (IFD)||A standard for terminology libraries or ontologies.|
|Layer||Attribute that allows control over the visibility of entities within CAD files|
|Level 0 BIM||Unmanaged computer aided design (CAD) including 2D drawings, and text with paper-based or electronic exchange of information but without common standards and processes|
|Level 1 BIM||Managed CAD, with the increasing introduction of spatial coordination, standardised structures and formats as it moves towards Level 2 BIM|
|Level 2 BIM||Managed 3D environment with data attached, but created in separate discipline-based models|
|Level 3 BIM||A single collaborative, online, project model with construction sequencing (4D), cost (5D) and project lifecycle information (6D). This is sometimes referred to as 'iBIM' (integrated BIM)|
|Level of definition||Overall term describing the level of model detail and the level of information detail|
|Level of model detail (LOD)||The level of detail of graphical content in building information models|
|Level of model information (LOI)||The level of detail of non-graphical content in building information models|
|Master Information Delivery Plan (MIDP)||The primary plan for the preparation of the project information required by the Employers Information Requirements, setting out programme, responsibility, protocols and procedures|
|Master Information Document Index (MIDI)||A detailed list of information deliverables for a project identifying responsibility for delivery and programme|
|Model Production and Delivery Table||Referred to in CIC BIM protocol, summarising originators of and level of detail for the project information model at different stages of the project|
|NBS BIM object standard||Defines what constitutes a high-quality BIM object for use with Level 2 BIM, with the right levels of information, appropriate geometry, and a consistent, structured, easy to use format.|
|Organisational Information Requirements (OIR)||The information required at an organisational level (rather than asset level) to achieve the business objectives of the organisation|
|Origin||The setting-out point for a project|
|Parametric modelling||The generation of a model based on a series of pre-programmed rules or algorithms.|
|PAS 1192-2||Specification for information management for the capital/delivery phase of construction projects using building information modelling|
|PAS 1192-3||Specification for information management for the operational phase of construction projects using building information modelling|
|PAS 1192-5||Specification for security-minded building information modelling, digital built environments and smart asset management|
|Plain Language Questions (PLQ)||Questions that the client will want to ask at key stages of the project to decide whether the project has developed satisfactorily and whether it should proceed|
|Post-contract BIM execution plan||Confirms the supply chain's capability, capacity and competence to meet the Employer's Information Requirements and providing a Master Information Delivery Plan|
|Pre-contract BIM execution plan||Prepared by prospective suppliers, setting out their proposed approach, capability, capacity and competence to meet the Employer's Information Requirements|
|Process map||Identifies the key decisions that will need to be made during the project to ensure that the solution developed satisfies the business need that has been identified|
|Project execution plan (PEP)||Sets out the overall strategy for managing a project, describing the policies, procedures and priorities that will be adopted|
|Project implementation plan (PIP)||A statement relating to the suppliers' IT and human resources capability to deliver the Employer's Information Requirements submitted as part of the pre-contract BIM Execution Plan by each organisation bidding for a project|
|Project information model (PIM)||The building information model developed during the design and construction phase of a project|
|RACI indicator||Identifies authorities of participants in relation to specific project activities. Responsible, Authorise, Contribute, Informed|
|RAG report||Report giving status assessments in terms of Red, Amber or Green.|
|Standard Method and Procedure (SMP)||Defines how Information is named, expressed and referenced|
|Supplier information modelling assessment form||Sets out the capability and competence of a supplier to use BIM in a collaborative environment|
|Supplier information technology assessment form||Sets out the capability and IT resources of a supplier for exchanging information in a collaborative environment|
|Supplier resource assessment form||Used to assess a supplier's resource capability and capacity, based on the supplier information technology assessment form and supplier information modelling assessment form|
|Supply chain capability assessment form||Summarises the human resource and IT capability of each suppliers that make up the supply chain|
|Supply Chain Capability Summary (SCCS)||Prepared by the principal supplier to verify that there is suitable human resource and IT capability in the various organisations that make up the supply chain|
|System||Set of components with a common function|
|Task Information Delivery Plan (TIDP)||Prepared by individual task team managers, setting out the responsibilities for each individual information deliverable|
|Third party capability assessment form||Sets out the information management and IT capability of non-design, non-construction suppliers. This is made up of individual Task Information Delivery Plans (TIDP)|
|Virtual construction model||Development of the design intent project information model|
|Volume||A manageable spatial subdivision of a project that allows more than one person to work on the project models simultaneously|
|xBIM (eXtensible Building Information Modelling)||An open-source software development tool that allows developers to read, create and view BIM in the IFC format|
|XML||Extensible Mark-up Language, for encoding data in a format that is human-readable and machine-readable|
|Zone||A set of locations with a shared attribute|
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