The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
Soil Thermal Resistivity
Relates to the ability of the soil, in which the cable is installed, to conduct heat energy away from the cable. The rating factor Cs is applied in cable sizing
record
document stating results achieved or providing evidence of activities performed [1] Note 1 to entry: Adapted from ISO 9000:2005, 3.7.6. 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
framework
structure of processes and specifications designed to support the accomplishment of a specific task[ISO/IEEE 11073-10201:2004, definition 3.22] PD ISO/TS 12911:2012
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,
Junction Boxes
Junction Box Requirements in Electrical Installations To ensure compliance with BS 7671:2018+A2:2022, the following requirements apply when using junction boxes in electrical installations: 1. Compliance with BS EN 60670-22 Any
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]
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]
BIM STRATEGY
a plan of action designed to achieve a long-term or overall aim. Definitions from Oxford Languages Required to define and understand what your company is trying to achieve with BIM.
CPR Cable Classification Guide
Since July 2017, all power, control and communication cables permanently installed in buildings must comply with the Construction Products Regulation (CPR).
This guide is your reference for navigating Euroclass ratings, selecting compliant products.
Current carrying capacity of a cable (Iz)
Iz The current carrying capacity of a cable under the defined installation conditions. This is the effective rating of the cable after the relevant rating factors have been applied, i.e.,Ca,
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:
Last Planner®
The person or group that makes assignments to direct workers. Project Architect and ‘discipline lead’ are common names for last planners in design processes. ‘Superintendent’ or ‘foremen’ are common names
Supporting Information
Supporting information shall be used where applicable and relevant to fully understand and evaluate information requirements or acceptance criteria. Supporting information includes but is not limited to: Existing site surveys
Spacial Asset
A spacial asset can be defined as a specific location such as a zone, boundary, area, floor or room with a known location and extents.For most businesses, spacial assets usually
PAS 1192 vs ISO 19650 terms
Quick reference guide In here you can find a quick reference guide with PAS1192 and ISO 19650 terminology comparison. PAS references (superseded) ISO References (current) Pre-contract BEP Pre-appointment BEP Post-contract
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
Project Information Model (PIM)
It is a term introduced in PAS 1192‑2: 2013 and ISO 19650 set of standards. It means any graphical or non-graphical information such as: Structured information, i.e.: schedules, costing and
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.
federation strategy
ELI5-S1: BIM Basics E4: Federation Strategy Explained The purpose of the federation strategy and the Information Container (model) breakdown structure is to help plan the production of information by separate
BS EN ISO 16757-2:2016
Data structures for electronic product catalogues for building services—Part 2: Geometry
Level of model development
Level of model maturity [ISO*] *Term based on experience. does not form part of ISO
Level of model definition
The PAS1192 term is replaced by ‘Level of information need’ an ISO19650 term Level of information need is a more generic term than any of the existing “Level of …”
Competent person
Aperson who possesses sufficient technical knowledge, relevant practical skills and experience for the nature of the electrical work undertaken and is able at all times to prevent danger and,where appropriate,
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
Model Upload Workflow
3D models shall be synchronized with the central cloud model after daily work is done to ensure the rest of the project team are coordinating with the latest information. All
geometrical
This is an ISO 19650 term which replaces the PAS1192 term “graphical”. Geometrical is more appropriate to describe spatial positioning and relationships
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
Emergency Voice Communication System (EVCS)
An Emergency Voice Communication System (EVCS) or (EVC) is a fixed, monitored and maintained, bidirectional, full duplex voice communication system (Refuge system) designed to facilitate the orderly evacuation of disabled
Sequence Flow (Normal or Uncontrolled)
A sequence flow is used to show the order in which activities in a process or choreography will be performed.[1] Symbol 1] Silver, B. (2009). BPMN Method and Style: A
TN system
A system having one or more points of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to that point by protective conductors.
Post-appointment BEP
Post-appointment BEP confirms and defines the delivery team’s approach to information management in the appointed project. It is a BIM Execution Plan (BEP) which shall be re-submitted by the Lead
Openness
in relation to data and information – also linked to interoperability means that it is provided or made available in a format that can be accessed and used withoutrecourse to
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
jet reaction
nozzle reactionforce acting in the opposite direction to the water stream leaving the nozzle BS 4422 2005 “Jet reaction,” also known as “nozzle reaction,” is a fundamental concept in fluid
Grouping rating factor (Cg)
Grouping rating factor used for calculatingminimum required cable size. For cables installed in air, values for this factor are given BS7671:2018,Tables4C1,4C4,4C6.For ground installations, values are given in Table4C2. Grouping a
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
Insurance Backed Alliancing
A new procurement method coupled up with Integrated Project Insurance model (IPI) is a framework which encourages and empowers project teams to work together. The procurement method introduced by Constructing Excellence
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
model validation checklist
The example checklist consists of checks which assure quality within models and information, to eliminate errors and achieve desired project outcomes. Table 1 – Model Validation Checklist Check Definition Project
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
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
Activity
An identifiable chunk of work with recognized prerequisites to begin and a recognized State of Completion – or Conditions of Satisfaction. Another way to look at an activity – establish
BIM Levels
The transition from the BIM Levels to the concepts in the ISO 19650 series and the UK BIM Framework represents a shift in how we think about BIM maturity. However,
Rated current
Value of current used for specification purposes,established for a specified set of operating conditions.
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
Adiabatic
Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.
Parametric behaviour
The parametric behaviour of an object describes whether its shape, position, and orientation are designed to be dependent on other information associated with the object or the context in which
macro diffusion dynamics
adoption model which identifies three diffusion dynamics top-down, bottom-up and middle-out Macro-Diffusion Dynamics model v1.1 (full size, current version). Macro-BIM adoption: Conceptual structures http://bit.ly/BIMPaperA8
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
People
An element of a BIM strategy which is often overlooked. Clear communication is required as to why and how you intend to implement BIM and gain support by engaging BIM
