The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
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
Internet of Things (IoT)
This phrase refers to networked infrastructures that interconnect physical objects and allow for the management of the data they generate. A typical example of IoT is a home energy monitor
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.
interaction framework schema
a formal description of the rules with which an interaction framework must comply[1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
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
digital built environment
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
Periodic Model Quality Control Checks
Apart from the weekly model coordination effort that focuses on spatial coordination and clash resolution, the Appointment BIM Manager should review all disciplines project models and ensure compliance with BEP
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.
BIM collaboration format (BCF)
BIM Collaboration Format (BCF) is an open file format that allows the addition of textual comments, screenshots, and other information on top of the IFC model layer for improved communication
BS 7000-10:2008
Design management systems Part 10: Vocabulary of terms used in design management
Working Group (WG)
WORKING GROUP (WG) Specialized group within a committee that is responsible for drafting a particular standard or set of deliverables. It is usually quite small, composed of experts and headed by
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
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
BS ISO 22263:2008
Organization of information about construction works Framework for management of project information
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.
Emergency Voice Communication System (EVCS)
What is an Emergency Voice Communication (EVC) system? An Emergency Voice Communication (EVC) system (also referred to as EVCS) is a fixed, monitored, two-way voice communication system that enables point-to-point
BS EN ISO 19650-2:2018
Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) — Information management using building information modelling Part 2: Delivery phase of the assets
The Level of and Progression Management systems
The ISO 19650 set of standards introduces a new term: ‘Level of information need’ which is designed to replace the terms used in BS EN 1192 such as Level of
UK National Annex 2021 Discipline vs Role
The field ‘Role’ has been renamed ‘Discipline’ in the most recent edition of BS EN ISO-2 19650-2:2018 NA February 2021. The previously used role codes, derived from BS 1192:2007, had
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
buildingSMART Data Dictionary
PD 19650‑0:2019 In short, the BuildingSMART Data Dictionary is a library for everything to do with the building. NumberName is an int key and string value that can be stored
Pool
A pool is a graphical representation of a collaboration participant. A pool serves as a container for the sequence flows that occur between activities (of a contained process). The sequence
Archive
History of project information, such that any non-current published information in the published area should move into this area. New parties to the project will receive an invitation to join
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
DWG
DWG (“drawing format”) is a binary file format licensed by Autodesk and used for storing two and limited three-dimensional design data and metadata. It is the native format for several
Z2
Z2 – That part of the earth fault loop impedance which comprises the impedance under earth fault conditions of the circuit protective conductor (cpc) of the circuit under consideration.
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
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
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.
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
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
Harmonic
The presence of harmonic content in the line conductors of a three-phase and neutral circuit can give rise to excessive levels of load current in the neutral conductor.
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:
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.
delivery phase
part of the life cycle (3.2.10), during which an asset (3.2.8) is designed, constructed and commissioned [cited from ISO 19650-1:2018(en), 3.2.11] ISO 19650-2:2018 Standard dedicated to the delivery phase
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
Intermediate Event (Message/Catching)
A message intermediate event can be used to both send and receive messages. When used to “catch” the message, the event marker must be left empty. If the process was
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
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,
tertiary power source
A Uninterruptible Power Supply (UPS) or standby generator connected to dedicated final circuits of the distribution infrastructure. Enhance the infrastructure resilience and can improve maintenance opportunities and business continuity for
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
Project Template_RVT_2022
Revit Electrical Project Template 2022 v22.2.1 Template For: Electrical Engineers, Bim Managers, Electrical Designers Setup: Typically 2–4 hours — quicker for experienced users. View Details Technical Details Released: Apr 29,
Furniture, Fixtures, Equipment (FFE)
Furniture, Fixtures, Equipment (FFE) a systems furniture layout within an asset
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
Digital Plan Of Work (DPoW)
Digital Plan Of Work (DPoW) forms a framework that supports informed and consistent decision making by project teams, at each work stage, helping to deliver agreed and reliable information. The
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,
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.
Electrical & Mechanical Equipment Access and Maintenance
Electrical & Mechanical Equipment: Access & Maintenance (UK) “All controlgear shall be mounted so as to facilitate its operation and maintenance. Where a special tool is necessary to adjust, maintain,
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
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
