The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
0
Total Posts
Revit Guides
Data Management
ELI5
Model View Definition (MVD)
One or more specific information exchange requirements may necessitate the need for a model view definition (MVD). A machine-readable representation of MVDs is required when using them in software development.
2022-07-24
No Comments
computer-aided design (CAD)
Computer-aided design (CAD) encompasses the use of computers (hardware) and software to assist in the design process. CAD software is frequently used by different types of engineers and designers. CAD
2022-07-11
No Comments
Global Trade Item Number (GTIN)
Global Trade Item Number (GTIN) identifier for trade items used to look up product information in a database GS1 [1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search
2022-07-11
No Comments
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]
2023-02-05
No Comments
AD Hoc Group (AHG)
AD HOC GROUP (AHG) Group set up within a committee to look into a particular problem and report back to the parent committee at a meeting. The group is disbanded after
2022-07-24
No Comments
Two Stage Open Book
A procurement method introduced by Constructing Excellence and the Cabinet Office where a client invites prospective integrated teams to bid for a project based on their ability to deliver an outline brief
2022-07-24
No Comments
Classification and Standardisation
Sensitive Information
ELI5-S1 BIM Basics E16_Sensitive Information information, the loss, misuse or modification of which, or unauthorized access to, could:(a) adversely affect the privacy, welfare or safety of an individual or individuals;(b)
2022-07-11
No Comments
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
2023-02-05
No Comments
Builders work in connection (BWIC)
Coordination of Builders work in connection to services i.e. openings in walls or floors for MEP Services It is anticipated that as a minimum, all builders work openings of 50x50mm
2022-07-04
No Comments
2022-06-29
No Comments
Dictionary
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
2022-07-24
No Comments
k Factor
Factors for conductor materials from BS7671:2018,Table43.1. Different values are given for different types of conductor and insulatingmaterials. k2s2 used in adiabatic calculations gives the short-time withstand of a conductor in
2023-02-05
No Comments
objective
results to be achieved The objective can be strategic or operational; it can relate to different disciplines such as financial, health and safety, or environmental. The targeted results can be
2022-07-24
No Comments
efficiency
correlation between the outcome and the resources used a measure of the utilization of resources to realize a given objective Note 1 to entry: An activity is efficient if it minimizes
2022-07-15
No Comments
blockchain
The blockchain is a transaction database shared by all nodes involved in the system based on the Bitcoin protocol. It is a data structure consisting of linked blocks (e.g. confirmed
2022-07-24
No Comments
acceptance criteria
evidence required for considering that requirements have been fulfilled [cited from ISO 19650-2:2018(en), 3.1.1.1] Information issued via the Common Data Environment (CDE) must comply with Project Information Requirements (PIR) outlined
2022-09-03
No Comments
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
2022-07-24
No Comments
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
2022-07-11
No Comments
Globally Unique Identifier (GUID)
globally unique identifier (GUID) its a unique object identifier that guarantees its uniqueness throughout its entire life unique, the identifier is usually generated using an algorithm a unique identifier generated
2022-07-24
No Comments
Classification and Standardisation
Organisational maturity
a measure of an organisation’s readiness and capability expressed through its people, workflows, information, technologies and the reliable measurement procedures that are in place [source: Understanding Organizational Maturity
2022-07-15
No Comments
Back-up Protection
Circuit-breaker manufacturers publish tables showing combinations of pairs of circuitbreakers, one upstream,one downstream,where the downstream device can be used at a location where the prospective fault current (Ipf) is higher
2023-02-05
No Comments
Ecocide
In environmental justice, ecocide is the criminalised activity of substantially harming or destroying ecosystems in their entirety or by harming individual species. At time of writing, 10 countries have criminalised
2022-07-11
No Comments
Dictionary
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
2022-07-20
No Comments
Permitted Purpose
A submittal state defining the intent or suitability. Permitted Purpose means any purpose related to the Works (and/or (without limitation) the construction, refurbishment, extension, operation, management and/or maintenance of the
2022-07-24
No Comments
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,
2022-07-11
No Comments
Blog
Thomas Edison’s Pearl Street Station
Dynamos, Boilers, and the Costly Copper of Edison’s 1882 Pearl Street Station On September 4, 1882, Thomas Edison’s Pearl Street Station in New York City became the world’s first commercial
2025-06-07
No Comments
component
named and individually scheduled physical item and feature that might require management, such as inspection, maintenance, servicing or replacement, during the in-use phaseNote 1 to entry: Components can serve as
2022-07-24
No Comments
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.
2022-07-24
No Comments
Dictionary
BIM
Building Information Modelling (BIM)[1] broadly describes the processes employed during digital information management related to a built asset such as a building, bridge, highway or tunnel. ISO 19650 outlines a
2022-07-24
No Comments
specialization relation
relation between kinds of things that relates two concepts whereby the subtype concept is a more specific concept than the supertype concept and has all the aspects that define the
2022-07-11
No Comments
TT system
A system having one point of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to earth electrodes electrically independent of the earth electrodes of the
2023-02-05
No Comments
Rated current
Value of current used for specification purposes,established for a specified set of operating conditions.
2023-02-05
No Comments
Workspace
A collection of content libraries and supporting files that define and embody a BIM standard. A workspace includes BIM libraries such as wall types, standard steel shapes, furniture, HVAC fittings,
2022-07-11
No Comments
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
2022-07-11
No Comments
PAS1192-2_2015
The Publicly Available Specification (PAS) 1192 part two was published in February 2013; the specification was based on existing Code of practice BS 1192 dated 2007 amended in October 2015
2022-07-27
No Comments
Responsibility matrix
a chart that describes the participation by various functions in completing tasks or deliverables [cited from ISO 19650-1:2018(en), 3.1.1] Responsibility matrix shall be developed to cover information management activities and
2022-07-27
No Comments
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).
2022-07-11
No Comments
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
2022-07-24
No Comments
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.
2022-07-11
No Comments
top management
person or group of people who directs and controls an organization at the highest level [cited from ISO 19650-5:2020(en), 3.14]
2022-07-24
No Comments
merge request
A merge request corresponds to the creation of one property and the deactivation of several properties. After validation of the merge request by the experts, the merged properties are deactivated.
2022-07-24
No Comments
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
2022-07-15
No Comments
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
2022-07-11
No Comments
class
description of a set of objects that share the same characteristics Note 1 to entry: The characteristics may be embodied by the use of properties, operations, methods, relations, semantics, etc.Note
2022-07-24
No Comments
Committee
This could be: a Technical Committee (TC), which develops standards in a certain sector or industry; a Subcommittee (SC), which addresses a specialized area within a TC; a Project Committee
2022-07-24
No Comments
National BIM Standard
National BIM Standard (NBIMS) – United States Version 2 is sponsored by National Institute of Building Sciences (NIBS) under its BuildingSMART Alliance Council. [1] [1] The Massachusetts Port Authority, 2015.
2022-07-11
No Comments
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
2022-07-04
No Comments
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).
2022-07-11
No Comments
quantity
property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed by means of a number and a reference. for example a measure with
2022-07-24
No Comments
actor
person, organization or organizational unit involved in a construction process [cited from ISO 19650-1:2018(en), 3.2.1]
2022-07-24
No Comments
On this page
