The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
BS 8541-4:2012
Library objects for architecture, engineering and construction Part 4: Attributes for specification and assessment – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541,
Leadership in Energy and Environmental Design
An internationally recognized green building certification system confirms the level of the sustainability performance of an asset. Confirming the level at which the asset was designed and built using strategies

LTF_Lighting-Fixture Rectangular
LTF_Lighting Fixture_Generic Rectangular Light v22.1.3 Family For: Electrical Engineers, Bim Managers, Electrical Designers Setup: 10-30 minutes View Details Technical Details Released: Feb 2, 2025 Updated: Jul 5, 2025 Regional Variants:

metadata
ELI5-S1: BIM Basics E6: Metadata explained Understanding Metadata in Building Information Modeling (BIM) Metadata provides critical information about an item’s content, making it easier to locate and work with specific

Problem Solving Process
Understanding the Problem-Solving Process
Effective problem-solving is at the heart of success in any field. Drawing inspiration from the book “General Relativity for Babies” by Chris Ferrie, which simplifies complex topics into easy-to-understand concepts, I have created a straightforward guide to the problem-solving process.
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
BS 9999:2017
Fire safety in the design, management and use of buildings – Code of practice
plan of work
It is a project-specific “digitally checkable” framework set-up to ensure that the deliverables of all contributors are identified and appropriate to the decisions required at each work stage. The plan
Project Information Requirements (PIR)
Project Information Requirements (PIR) its a BS EN ISO 19650 term introduced to replace the PAS 1192 term Plain language questions (PLQ) PLQ and PIR are both expressions of the
individual thing
the concept that classifies any real-world or imaginary thing that has an individuality that is not dependent on a commonality between things Note 1 to entry: This standard is about kinds
System of engagement
The System of Engagement is defined as a platform that manages supported digital engagement, of systems like Browsing, Web Chat, Messaging, videos (Facebook, WhatsApp, TEAMS, ZOOM, Signal, Slack, etc.), various
fragmentation request
A fragmentation request corresponds to the deactivation of the property and the creation of several properties. After validation of the fragmentation request by the experts, the fragmented property is deactivated.

single source of truth
In AEC industry with reference to information systems management, the single source of truth refers to Common Data Environment (CDE) The single source of truth is a method of structuring
deactivation request
A deactivation request corresponds to a modification of the property. After validating of the deactivation request by the experts, the value of the calculated status of the property changes to
enumerated type value
data type consisting of a set of named values called elements, members, enumeral, or enumerators ofthe type
Subject to Simultaneous Overload
Where circuits are grouped, there are two availablemethods of calculating the rating factor Cg to be applied: [BS7671:2018,Appendix 4,5.1.2:Equation 2] [BS7671:2018,Appendix 4,5.1.2:Equation 3,4]
pre-design process
construction process (3.3.2) determining construction properties (3.5.1) for the built environment (3.1.7) before it is designed[1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
cooperation
The interaction of individuals or task teams who work together to achieve a common goal, it demonstrates the ability to learn from each other. Cooperation forms a crucial attribute of

BS EN ISO 19650-2 UK National Annex (NA) 2021 status and use reference table
Status Code Used For Action by Information State (at any project stage): Work in progress (WIP) S0 Information developed within a task team [C], [B]* Information State (at any project
Plain Language Questions (PLQ)
The publication of ISO 19650 set of standards replaces use of PLQ and instead introduce the term with exchange information requirements (EIR) and project information requirements (PIR). Project information requirements

UK Earthing & Bonding Design Reference
UK Earthing & Bonding Design Reference (Edition 2025 – aligned with BS 7671:2018+A2:2022, Amendment 3 (2024), and draft Amendment 4 (2026), also drawing from official UK Power Networks standards) Scope,
United States Army Corps of Engineers (USACE)
The United States Army Corps of Engineers is an engineer formation of the United States Army that has three primary mission areas: engineer regiment, military construction, and civil works.
Thermal resistivity of the soil rating factor (Cs)
The rating factor Cs is applied to cable sizing calculations for cable installed in the ground. Its value varies according to the thermal resistivity of the soil in which the
information exchange
verb act of satisfying an information requirement (3.3.2) or part thereof [cited from ISO 19650-1:2018(en), 3.3.7]
Open Data
The Open Data Institute (ODI) defines open data as information that is licensed for anyone to use for any purpose at no cost. Open data can be accessed, used and
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
Handover
After the project is completed, the Appointing Party expects to receive Asset Information Model (AIM) compliant with the Exchange Information Requirements (EIR). The aim is to support the life
Existing Conditions Modeling
A process of developing a 3D model of the existing conditions for an asset, or a specific area within a facility.The model can be developed based on laser scanning surveys
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.

Operational Team Context of Information Exchange
ELI5-S2: BIM in Practice E2: Operational Team Context of Information Exchange Explained In any BIM project, understanding the context of information exchange during the operational phase is crucial. This post
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
process
set of interrelated or interacting activities that transforms inputs into outputs [SOURCE: ISO 9000:2005, definition 3.4.1 (without notes)] ISO 14040:2006(en), 3.11 It is a PAS1192 term replaced by term ‘workflow’ in ISO

change strategy
Concept of change strategy involves identifying objectives, formulating intervention concepts for change, forming and defining success parameters, and implementing strategies. This includes testing the effectiveness of the changes and their
Max Zs
Themaximum value of earth fault loop impedance (Zs) that will allow the protective device in a circuit to disconnect an earth fault within the prescribed time. Example: if themaximum earth
End Event
An end event denotes the point at which a process’s path will come to an end. End events can only result in a “throw” of a result.[1] Symbol 1] Silver,
risk appetite
amount and type of risk that an organization is willing to pursue or retain [cited from ISO 19650-5:2020(en), 3.5]
Consumer Unit
Atype of single-phase board for the control and distribution of electrical energy, principally in domestic premises. In the ProDesign software,a consumer unit (CU) can be split into three sections,each with
Group
Because a group is not an activity or a flow object, it cannot connect to sequence or message flows. Furthermore, groups are not constrained by pool and lane restrictions. [1]
SMART Information requirements
The acronym SMART has been defined by the PAS 1192‑2: 2013 clause 5.1.3. the term means that Information req BS ISO 31000:2018 PAS 11922: 2013 clause 5.1.3 defines the acronym

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,
Lane
A lane is a sub-partition within a process (often within a pool) that runs the length of the process level, either vertically or horizontally. Lanes are frequently used for internal
unit
standard measurements of physical quantities that require a clear definition to be useful. The International Bureau of Weights and Measures (BIPM) is responsible for ensuring the standardization of the use
third party
person or body that is recognized as being independent of the parties involved with the issues in question [1] Note 1 to entry: “Parties involved” are usually supplier (“first party”) and purchaser (“second party”). 1
business process modelling notation (BPMN)
Business Process Modelling Notation (BPMN) is a flow chart method for modelling the steps of a planned business process from beginning to end. It is a critical component of Business
End Event (Message)
At the end of the process, this type of end indicates that a message is sent to a participant.[1] Symbol N Method and Style: A levels-based methodology for BPM process
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]
Fault
Acircuit condition in which current flows through an abnormal or unintended path. The fault current may flow from line to line (phase fault) or line to earth (earth fault).
BIM Use
A Use Case is a description of an intended use of the BIM, along with a description of the type(s) of data that must be in the BIM in order








