The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
Subcommittee (SC)
a Subcommittee (SC), which addresses a specialized area within a TC; https://www.iso.org/glossary.html
Work stages
A division of standardised process and activities into named stages during the life of a system or facility. The process and activities extending from the definition of its requirements to
Team’s Capability and Capacity
The competence and understanding of BIM, of the consultants and delivery team partners to be involved in the project, shall be assessed and results included in Post-Contract BEP. The assessment

Life Safety Generator
Life Safety Generator selection guide Copy If the secondary power supply is provided for firefighter’s lift, it must be capable of operating the firefighter’s lift at its full rated load
Value Stream Mapping
A diagram of every step involved in the material and information flows needed to bring a product from request to delivery. [1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines
BS 8541-1:2012
Library objects for architecture, engineering and constructionPart 1: Identification and classification – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541, parts 1-6.
data template
schema providing a data structure used to describe the properties of objects NOTE The relevant scope of the data template should be used together with the term “data template”. E.g.

Emergency Lighting Standards and Regulations
BS 5266‑1:2025 – whats changed? Status & scope. The new edition was published on 29th and came into effect on 31 October 2025, withdrawing BS 5266-1:2016. It is intended to be
Fabrication Model
Digital Model(s) created from shop drawings to support fabrication and installation. Fabrication models are reviewed and approved by the A/E for conformance to design specifications.1 1 The Massachusetts Port Authority,
carbon sink
A carbon sink is a natural or artificial reservoir that captures and stores morecarbon than it releases. Examples include forests, oceans, soil and potentially timber buildings. We need these reservoirs
Value Stream
Includes all the processes and activities used to design, produce and deliver the product or service to the Customer.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and
Intermediate Event
An intermediate event is something that occurs between the beginning and end of a process. Triggers can be “caught” or “thrown” by intermediate events. [1] Symbol 1] Silver, B. (2009).
IDM standard
BS EN ISO 29481-1 Building information models – Information delivery manual (IDM) PD ISO/TS 12911:201
knowledge model
information model that expresses knowledge in a computer interpretable structure Note 1 to entry: A knowledge model consists of a number of expressions of facts about a concept, each of which
ontology
An ontology is a set of rules that make it possible to link data on a semantic level. Means the unstructured, semi-structured data can be read and encoded by computers.
inertia
In the context of BIM and Digital Construction, the term is referred to as institutional and personal inertia to change, one of the most common barriers to BIM implementation.
merge request
A merge request corresponds to the creation of one property and the deactivation of several properties. After validation of the merge request by the experts, the merged properties are deactivated.
Information Delivery Manual (IDM)
information delivery manual (IDM) Documentation that captures the business process and specifies in detail the information that a user performing a particular role is required to provide at a particular

Electric Vehicle Charging Points
Active charging points are fully wired and connected, ready-to-use charging points.
A passive charging point, on the other hand, is the infrastructure without the final charging unit installed.
American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)
American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) is a professional organization that develops and promulgates system, measurement, and product engineering standards to the industry.1 1 The Massachusetts
PAS 14191:2020
Built environment – Management and operation of interconnected construction data dictionaries Specification

Secondary Supply – diverse cable route
This guidance covers the routing of secondary supply cables from a life safety generator to the ATS (Automatic Transfer Switch), and the final equipment with reference to:
BS 7671:2018+A2:2022, specifically Section 560: Safety Services
BS 8519:2020, with emphasis on Clause 7 (Cable Routing) and Clause 11 (Cable Selection)
The goal: clarify requirements for the diverse cable routing and maintain circuit integrity under fire conditions for systems that support life safety and fire-fighting applications, such as sprinkler pumps, fire-fighting lifts, and smoke control systems.

VADs
Guide to Visual Alarm Devices (VADs) in Fire Safety In high-noise workspaces or locations requiring hearing protection, Visual Alarm Devices (VADs) play a critical role in fire safety. They ensure
facility
physical structure (asset) or installation, including related site, works, serving one or more main purposeNOTE: Typically, a facility will require management over part or all of its life cycle. The

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
The Centre for Digital Built Britain
The Centre for Digital Built Britain (CDBB) CDBB is a partnership between the University of Cambridge and The Department for Business, Energy and Industrial Strategy (BEIS). It is the custodian
promotor
algorithm that generates an interaction schema from an interaction framework, interaction framework schema, and templates file as input [1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed
Equipment Clearance
Equipment Clearance shall be modelled for use in interference management and maintenance access requirements. It is the minimum space adjacent to the equipment required to allow access for maintenance, installation
verification
confirmation, through the provision of objective evidence, that specified requirements have beenfulfilled [SOURCE: BS EN 17412‑1:2020] Verification is the process of checking that the product/service meets the specification, it will
energy let-through of a device (I2t)
I2t The energy let-through of a device in A2s. The total amount of energy let through by a protective device for a given level of fault current at a stated
built asset
individual or multiple buildings (e.g. a site or campus) or infrastructure (e.g. roads, railways, pipelines, dams, docks, etc.) built as part of a construction project or where the asset information

BIM
Building Information Modelling (BIM)[1] broadly describes the processes employed during digital information management related to a built asset such as a building, bridge, highway or tunnel. ISO 19650 outlines a
BS ISO 44002:2019
Collaborative business relationship management systems Guidelines on the implementation of ISO 44001
Start Event
A start event specifies where a process will begin. Start events can only react when a trigger is “caught.” Symbol 9). BPMN Method and Style: A levels-based methodology for BPM
Fixed Equipment
Equipment designed to be fastened to a support or other wise secured in a specific location.
Status
Identifier indicating the characteristic of an element of information for which at all times a value can be established. Word status has been included in ISO 19650 Framework meant to
Project BIM Manager
Responsible for ensuring that the BIM workflow has been established for the project and is adhered to by the team during the implementation stages of the project. [Appointment: Lead Appointed

How to respond to request for proposal (RFP)
Introduction It can be said that the digitalization of construction began with designers moving from drawing boards to computers. [1] In Architecture, Engineering, Construction and Operation (ACEO), the focus has
AD Hoc Group (AHG)
AD HOC GROUP (AHG) Group set up within a committee to look into a particular problem and report back to the parent committee at a meeting. The group is disbanded after

Psychological attributes of collaborative working
The psychology of workplace collaboration can be traced back to the everyday interactions that occur in any organization. In the fast-evolving business world, there is a rising need to move
Sub-Process (Expanded)
The sub-process boundary is expanded, and the details (a process) are visible within it. It is important to note that sequence flows cannot cross the boundary of a sub-process.[1] Symbol

Delivery Team context of information exchange
ELI5-S2 BIM in Practice E3 Delivery Team context of information exchange ELI5-S2: BIM in Practice E3: Delivery Team context of information exchange explained Understanding the context of information exchange from
Circuit Protective Conductor (CPC)
Acircuit protective conductor (CPC) connects exposed-conductive-parts* of equipment to themain earthing terminal. *Conductive part of equipment,which can be touched and which is not normally live,but which can become live when
Globally Unique Identifier (GUID)
globally unique identifier (GUID) its a unique object identifier that guarantees its uniqueness throughout its entire life unique, the identifier is usually generated using an algorithm a unique identifier generated
security
state of relative freedom from threat (3.13) or harm caused by deliberate, unwanted, hostile or malicious acts [cited from ISO 19650-5:2020(en), 3.7]
Diversity
It is often not desirable to size each conductor in a distribution system to support the total connected load at that point in the network.Diversity is applied on the basis
BIM Strategic Lead
Responsible for project strategic direction from the tender stage, guides project set up and advises on the project when needed. Typical Lead Appointed Party BIM staff duties include: Development of
Asset Information Requirements (AIR)
Term introduced by ISO 19650 set of standards is related to information required during the operation phase of an asset AIR define managerial, commercial and technical aspects of information production,
diffusion
a process by which an innovation is communicated through certain channels over time among the members of a social system E.M. Rogers, Diffusion of Innovations, Free Press, New York, 1995.
Project BIM Coordinator
Responsible, during the design stages, for executing, managing and running clash detection of the federated Project Information Model (PIM), and federating and QA reviewing the Asset Information Model (AIM) for
