The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
cost plan
statement showing an apportionment of an estimate (3.7.9) or of an agreed budget between cost (3.7.1) headingsNote 1 to entry: For example, the cost plan might be broken down into building elements. [1] 1 Online Browsing Platform (OBP)
Arc Fault Detection Devices (AFDDs)
Arc Fault Detection Devices (AFDDs) in the UK: Technical Requirements and Implementation Executive Summary Arc Fault Detection Devices (AFDDs) represent a significant advancement in electrical fire safety. This whitepaper provides
BS EN ISO 12006-2:2020
Building construction – Organization of information about construction works Part 2: Framework for classification
Final Circuit
A circuit connected directly to current-using equipment, or to a socket-outlets or other outlet points for the connection of such equipment.
LTF_Lighting-Fixture Circular
LTF_Lighting-Fixture_Luminaire-Circular vv22.1.1. Family For: Electrical Engineers, Bim Managers, Electrical Designers Setup: 10 – 30 minutes View Details ▼ Technical Details Released: Feb 9, 2025 Updated: Jul 5, 2025 Compatibility Notes:
Sub-Process (Collapsed)
The diagram does not show the details of the sub-process. A “plus” sign in the shape’s lower-left corner indicates that the activity is a sub-process with a lower level of
client
actor (3.2.1) responsible for initiating a project and approving the brief [cited from ISO 19650-1:2018(en), 3.2.5] The UK BIM Alliance, responding to the inconsistency between the current guidance of CIC BIM Protocol,
Management of duplicates
The procedure to remove duplicate properties shall be carried out on the relevant attributes. The management of duplicates cannot be fully automated. BS EN ISO 23386:2020
Cyber-Physical Systems
Systems that include integrations of computation, networking, and physical processes with feedback loops where physical processes affect computations and vice versa4. An example of a Cyber-Physical System is a Digital
Collaborative Design
Working with different teams is probably the most difficult part of the design process. It is important to note that a collaborative design process is not about someone else creating
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
BS EN ISO 31000:2018
Risk management guidelines ISO 31000 is an international standard first published in 2009, the current version published in 2018. The standard contains principles and guidelines for effective risk management. It
Technical Committee (TC)
a Technical Committee (TC), which develops standards in a certain sector or industry; https://www.iso.org/glossary.html
Virtual Design and Construction
Virtual Design and Construction (VDC) is the use of design models and project information to apply construction processes in a virtual environment to reduce time, cost, and ensure design intent.
PAS 14191:2020
Built environment – Management and operation of interconnected construction data dictionaries Specification
Digital twin
ELI5-S1 BIM Basics E19_Digital Twin “The digital twin is the virtual representation of a physical object or system across its life-cycle. It uses real-time data and other sources to enable
Project setup
During project setup phase It is essential to establish and analyse a timeline that guides the entire team in delivering the project on time. Thus the prospective Lead Appointed Party
The Gemini Principles
Purpose: Must have clear purpose Public good Must be used to deliver genuine public benefit in perpetuity Value creation Must enable value creation and performance improvement Insight Must provide determinable
Intermediate Event (Link/Catching)
Paired link events can also be used as “off-page connectors” in order to print a process across multiple pages. Within the process level, they can also be used as generic
volume
ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained a term defined by BS 1192:2007 means a spatial subdivision of a project to allow multiple people to work on Project Information
capability
a measure of ability to perform and function [cited from ISO 19650-1:2018(en), 3.3.18]
Design-Bid-Build
A contract type There is a sequential award of two separate contracts; the first contract is for design services; the second contract is for construction; design and construction of the
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
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]
Restricted and Highly Restricted information
Info Below you can find a couple of sample notes intended to be copied and pasted to a transmittal when sharing Restricted and Highly Restricted information. Restricted Information This transmittal
Waste
The opposite of value. There are eight basic types of waste: motion waiting transportation of goods over-processing under utilization overproduction inventory defects [1] [1] The Massachusetts Port Authority, 2015. BIM
Uninterruptible power supply (UPS)
An uninterruptible power supply (UPS) is used to maintain the supply to an essential service duringmains supply outages. On loss ofmains supply,a storage device in the UPS (battery) continues to
Insurance Backed Alliancing projects under the IPI model
Introduction Martin Davis member of the New Models of Construction Procurement (NMCP) Working Group and the Integrated Project Insurance (IPI) mentor describes the Integrated Project Insurance model (IPI) coupled up
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
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
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
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
Appointor
UK BIM Alliance responding to the inconsistency between current guidance of CIC BIM Protocol, Second Edition 2018 and ISO 19650 Framework published updated Information protocol to support BS EN
Operations and Maintenance (O&M)
Describes the functions, duties, and labour associated with the operations of an asset, including repairs, replacement of parts and structural components, and other activities needed to maintain an asset.
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.
Unified Modelling Language (UML)
language to provide system (3.13) architects, software engineers, and software developers with toolsfor analysis, design, and implementation of software-based systems as well as for modelling businessand similar processesNote 1 to
Common Data Environment (CDE)
ELI5-S1: BIM Basics E2: CDE Explained The purpose of using Common Data Environment (CDE) on a project is to provide the right person with the right information at the right
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
BS EN ISO 41001:2018
Facility management Management systems Requirements with guidance for use ISO 41001 and the vocabulary published as ISO 41011 is a Facilities Management Standard developed by the International Organizational Standards (ISO)
BS EN ISO IEC 27000:2020
Information technology – Security techniques – Information security management systems – Overview and vocabulary ISO 27000 is derived from the British Standard 7799, published in 1995 in three parts: BS-7799,
Post-COVID 19 pandemic Architecture Engineering and Construction (AEC) Industry
Introduction The COVID19 pandemic has impacted global health and the economy. This report explores the shift in Building Information Modelling (BIM) and associated technology, its impact on health and safety,
Level of detail (LOD)
Level of detail (LOD) it is a term introduced by PAS 1192, used in relation with management of the progression and uses of information. Typically referred to geometrical information There
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.
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.
Facility Data
The non-graphical information attached to objects in the Model that defines various characteristics of the object. Facility Data can include properties such as parametric values that drive physical sizes, material
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
BS 7000-10:2008
Design management systems Part 10: Vocabulary of terms used in design management
smart building
The term “smart building” was originally introduced by the European Union in the Energy Performance of Buildings Directive (EPBD)[1] as one of the main enablers of the future of the built environment,
Ground rating factor (Cc)
The rating factor Cc = 0.9 is applied to cable sizing calculations for cables installed in the ground (Installation Methods 70 to 73). See BS7671:2018,Appendix 4,Sections3,4 and 5.1.1.
Rating factors
Rating factors are divided into the nominal rating of the circuit protective device (In) to determine theminimum current-carrying capacity (Iz) of a cable in a circuit. For example:Iz = In/(Ca
