The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
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Data Management
ELI5

Function
ELI5-S1 BIM Basics E17_BIM Functions Understanding Functions: A Basic Guide In both everyday life and specialised fields like mathematics, computer science, and even construction, the term “function” is widely used.

Cable Ladder vs Perforated Cable Tray Selection Guide
Cable Ladder vs Perforated Cable Tray – Selection Guide (UK, 2025) Scope & references BS 7671:2018+A2:2022 and A3:2024 (selection & erection; installation reference methods; grouping). IET On‑Site Guide to BS
Lean construction
Lean Construction is the method of project management aiming to reduce waste on a project and improving the efficiency and quality of produced work [1]. The aim to reduce overproduction,
System of systems
A system of systems is a collection of many different systems, each with its own characteristics. [1] System theory assumes that certain underlying concepts and principles are applicable to different
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]
BS 11000‑2:2017
Collaborative business relationship management systemsPart 2: Guide to implementing BS ISO 44001
Tier 2
In the construction industry, Tier 2 is a Contractor referred in ISO 19650 as the Appointed party with a sub-contract who provide goods or services directly to the Lead Appointed
Committee
This could be: a Technical Committee (TC), which develops standards in a certain sector or industry; a Subcommittee (SC), which addresses a specialized area within a TC; a Project Committee
Gateway (Parallel)
[And] When used to split the sequence flow, all outgoing branches are activated at the same time. When parallel branches are merged, it waits for all incoming branches to complete
Asset Information Model (AIM)
The Asset Information Model or AIM is a term used to define the set of information gathered from all sources that support the continuing management of an asset
TC 59
Technical Committee – Buildings and civil engineering works https://www.iso.org/committee/49070.html
Commissioning
A building has successfully gone through the commissioning process when its equipment and systems have been examined and tested to perform as designed, and its operators have been trained to
Cost Led Procurement
A procurement method introduced by Constructing Excellence and the Cabinet Office intended to allow industry to use its experience and knowledge to develop innovative solutions through leveraging design, materials, subcontracting, direct labour
Integrated Digital Delivery
History History’s Professor, Yuval Noah Harari, in his book Homo Sapiens reached a conclusion that humans developed an ability to transmit information about things that do not really exist (stories),
Digital Construction
The terminology such as digital built environment and smart asset management, often referred to as Digital Construction, encompasses multiple technologies and processes related to information or project management and the
Scope
Bid response should include a scope management plan containing all the tasks necessary for successful project delivery. The plan shall define the implementation and verification of workflows. A project should
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

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
quantity
property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed by means of a number and a reference. for example a measure with
Product Data Template (PDT)
The document aimed to be used by manufacturers and consumers where information about a product, is collated in a standardised and structured way. The information is structured in the form
Builders work in connection (BWIC)
Coordination of Builders work in connection to services i.e. openings in walls or floors for MEP Services It is anticipated that as a minimum, all builders work openings of 50x50mm
data dictionary
centralized repository of information about data such as meaning, relationships to other data, origin, usage and formatNote 1 to entry: The definition is from IBM Dictionary of Computing BS EN

VEAM connector
VEAM connectors refer to a specific type of electrical bayonet type connectors known for their robustness and reliability in harsh environmental conditions. These connectors are commonly used in various industries,
BS EN ISO 23386:2020
Building information modelling and other digital processes used in construction Methodology to describe, author and maintain properties in interconnected data dictionaries
Set-Based Design
Set-Based Design commonly referred to as a set-based design innovation or set-based concurrent engineering. It is a product development approach where teams consider a wide range of design alternatives (a

Work in Progress (WIP)
A supply-chain management term describing partially finished information awaiting completion. In other words, the Information model is not to be used by any other project party. Before progression onto the next

Organizational Drivers
The Organizational Driver is a term used to describe the initial component in the information exchange sequence. It represents the steps and actions involved in initiating the exchange process.

data
ELI5-S1 BIM Basics E18_data Understanding Data in BIM: The Foundation of Smart Asset Management When we think about Building Information Modeling (BIM), it’s easy to get lost in the complexity

Breaking capacity
IWE-S1-IWE- E8_Breaking Capacity of MCCB What is Breaking Capacity (kA) Breaking capacity, often referred to as short-circuit breaking capacity, is one of the most critical specifications of a protective device.
geometrical
This is an ISO 19650 term which replaces the PAS1192 term “graphical”. Geometrical is more appropriate to describe spatial positioning and relationships
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

Volume strategy
ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained Introduction Volume Strategy enables information management, spatial coordination, and concurrent engineering, ultimately fitting together like a complex 3D jigsaw puzzle, where each
Project delivery team
In respect of asset lifetime PAS 1192-2:2013, describes one project delivery team, the term is connected with word ‘contract’ meaning one or many companies or individuals employed either directly or
Last Planner System®
The collaborative, commitment-based planning system that integrates “should-canwill-did planning” (pull planning, make-ready look-ahead planning with constraint analysis, weekly work planning based upon reliable promises, and learning based upon analysis of

Sensitive Information
ELI5-S1 BIM Basics E16_Sensitive Information information, the loss, misuse or modification of which, or unauthorized access to, could:(a) adversely affect the privacy, welfare or safety of an individual or individuals;(b)

Force Relinquish
Tip of the Day (TOD): How to Relinquish Locked Revit Models If you’ve ever been frustrated by locked Revit model elements when a team member is unavailable to relinquish them,

lead appointed party
The term introduced by ISO 19650 typically describes the Tier 1 Main Contractor. For example: : The Lead Appointed Party is a specific entity directly appointed (employed) by the primary
TT system
A system having one point of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to earth electrodes electrically independent of the earth electrodes of the
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.

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
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
Enabling Tools
Tools that help design, develop, deliver, and maintain the built asset. You may require a number of different enabling tools for specific tasks and functions. https://www.thenbs.com/knowledge//periodic-table-of-bim
Crown Commercial Services (CCS)
The Crown Commercial Service (CCS) is an administrative agency and trading fund of the Cabinet Office of the UK Government, responsible for the supervision of the procurement of common goods
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.
BS 8536-2:2016
Briefing for design and constructionPart 2: Code of practice for asset management (Linear and geographical infrastructure)
Additive manufacturing
Additive manufacturing (AM), also known as 3D printing, is the process of creating products by layering materials until a complete 3D object is created. The process can transform digital design
Miller’s law
Argument introduced by Miller, G. A., suggests that the number of objects an average human can hold in short-term memory is 7 ± 2.[1] From a practical standpoint, this means
actor
person, organization or organizational unit involved in a construction process [cited from ISO 19650-1:2018(en), 3.2.1]







