The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
rationalise
In construction, to rationalise is to attempt to remove, explain or justify irrational quantities, processes or systems or else adjust unreasonable design decisions by employing logic or reason, (behaviour, attitude),
Stage 2 Maturity
BIM at Maturity Stage 2 according to the ISO 19650 Framework is “the use of a shared digital representation of a built asset to facilitate design, construction and operation workflows
Building Research Establishment Environmental Assessment Method (BREEAM)
It is a UK green building certification system, launched in 1990 by the Building Research Establishment (BRE), similar to LEED. Both systems confirm the level of the sustainability performance of
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

digital construction campaign!
Thank you #willmottdixon team at our London Southbank University project for the #opportunity to participate in the #BIM & #digitalconstruction campaign! #LSBU #WDI, #WES, #team, #ConstructingPlainLanguage
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]
Semi-enclosed fuse rating factor (Cf)
The rating factor Cf = 0.725 is applied to cable sizing calculations for any circuit protected by a semi-enclosed fuse to BS3036.
Construction Products Regulation (CPR)
Construction Products Regulation (CPR) https://ec.europa.eu/growth/sectors/construction/product-regulation_en#:~:text=The%20Construction%20Products%20Regulation%20(CPR,the%20performance%20of%20construction%20products.
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
Resources
In the context of project management, the resources refer to optimizing the use of resources for successful project execution and the management of resources in the project. [1] Therefore, the

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
Construction Operation Building information exchange (COBie)
COBie is a non-proprietary data format for the publication of a subset of building information models (BIM) that focuses on delivering asset data rather than geometric information. It is formally
NWD
NWD designates the published version of a Navisworks file with all loaded models, viewpoints, redlines, and comments saved to a single file. This file type can be opened with any
UK BIM Framework
The UK BIM Framework was developed by the UK BIM Alliance, BSI, and the Centre for Digital Built Britain associated with the Construction Industry Council (CIC) to implement international BIM
Construction Manager at Risk
Various key characteristics of CM@Risk include: there are separate contracts for design services and for construction services; the contract for construction services may be entered into at the same time
consensus
general agreement, characterized by the absence of sustained opposition to substantial issues by any important part of the concerned interests and by a process that involves seeking to take into
reference document
publication that is consulted to find specific information, particularly in a technical or scientific domain EXAMPLE See EN 771-1:2011+A1: 2015.Note 1 to entry: A reference document can be associated with

CDE state
ELI5-S1: BIM Basics E5: CDE areas and states This term replaces the ‘CDE area’ PAS 1192 term, the idea is the location of the information (container) is not important but
Text Annotation
Text annotations are a way for a modeller to provide additional information to a BPMN diagram reader. The text annotation object can be associated with a specific object on the
asset management
coordinated activity of an organization to realize value from assets Note 1 to entry: Realization of value will normally involve a balancing of costs, risks, opportunities and performance benefits.Note 2
interoperability
the ability of two or more systems* to exchange information and to use the information that has been exchanged. definition adapted from the one contained in ‘ISO/TS 27790:2009, Health informatics—
Design Web Format
Design Web Format (DWF), created by Autodesk. DWF is a compressed, non-editable, vector file format created by CAD and BIM applications. A DWF file can represent sheets for plotting purposes
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]
NWC
NWC is a cache file. “When you open a CAD file in Navisworks, by default, a corresponding cache file (NWC) is created, which contains all of the conversion details required
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,
Dimensionality
A dimension of space, such as width, height, or length. can be zero-dimensional (location point), one-dimensional (e.g. line, curve, path), two-dimensional (e.g. surface, face), or three-dimensional (e.g. surface, face) (e.g.
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.

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
trigger event
a planned or unplanned event that changes an asset (3.2.8) or it’s status during its life cycle (3.2.10), which results in information exchange (3.3.7) [cited from ISO 19650-1:2018(en), 3.2.13]
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
Tier 1
In the construction industry, Tier 1 is a Contractor referred in ISO 19650 as the Lead appointed party, who provide goods or services directly to the ultimate client. The Tier

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 aggregation
Data aggregation refers to a process that involves gathering information and expressing it in summary form for statistical analysis or other purposes. In many cases, data aggregation is exclusively done
Voorwaarden scheppen voor Invoeren Standaardisatie ICT in de Infrastructuur-sector (VISI)
VISI acronym for Dutch standard for communication between partners in construction projects translates as Creating conditions for the implementation of ICT standardization for the construction industry [1] 1 Online Browsing
Pre-appointment BEP
Pre-appointment BEPs communicates the delivery team’s intended approach to the information management process in the project, it is submitted as part of the prospective Lead Appointed Party tender response. For

Document Naming Strategy
DOCUMENT NAMING STRATEGY All information in the PD Revit Template follows PROJECT DESIGN (IO) standards. the For one-page drawing naming strategy, please refer to free download E-5161 OnePage Naming Strategy

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,
BS EN ISO 19650-3:2020
Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) – Information management using building information modelling Part 3: Operational phase of the assets
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.
BS 7799‑3:2017
Information security management systemsPart 3: Guidelines for information security risk management (revision of BS ISO/IEC 27005:2011)
Mobilization Plan
A plan for the Mobilization of the Delivery Team’s resources in accordance with the Information Standard which is contained in the Appointment or, if no Mobilization Plan is contained in

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
definition
representation of a concept by a descriptive statement which serves to differentiate it from related concepts Note 1 to entry: A definition may be expressed as natural language text (a textual
validation
confirmation, through the provision of objective evidence, that the requirements for a specific intendeduse or application have been fulfilled [SOURCE: BS EN 17412‑1:2020] For example, it is the process of
National Annex (NA)
With reference to BS EN ISO 19650 Framework, the working group could not conclude on international codification and standardised conventions. Hence Paul Shillcock and David Churcher, the lead authors, came

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.
purposeful
having a definite objective and strong desire to achieve it In the context of BIM, it describes a people-centric transformation, regarding information as an asset
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.








