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ELI5
Residual Current Device (RCD)
AResidual Current Device (RCD) is amechanical switching device or association of devices intended to cause the opening of the contacts when the residual current* attains a given value under specified
2023-02-05
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Blog
Comparison of status codes between UK National Annex (NA) 2018 vs UK NA 2021
# BS EN ISO 19650-2 2018 BS EN ISO 19650-2 2018, NA 02/2021 # Status Code Suitability Action by Suitability Action by Information State (at any project stage): Work in
2021-08-07
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Model Production Delivery Table (MPDT)
An MPDT its old PAS 1192 term, the MPDT defines who produces what, when and to what level of detail. The recent publication of ISO 19650 standards does not include
2022-07-24
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Dictionary
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
2022-07-24
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BS ISO 44001:2017
Collaborative business relationship management systems Requirements and framework
2022-07-15
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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
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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
2022-07-11
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How To
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,
2024-07-14
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Level of model development
Level of model maturity [ISO*] *Term based on experience. does not form part of ISO
2022-07-27
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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—
2022-07-27
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data template
schema providing a data structure used to describe the properties of objects NOTE The relevant scope of the data template should be used together with the term “data template”. E.g.
2022-07-24
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Classification and Standardisation
Complete information
adjective In Architecture Engineering and Construction (AEC), complete information is information which includes all the necessary and typical parts or elements, lacking nothing. For the information to be deemed complete,
2022-07-15
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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
2022-07-11
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Instructions
Project Template_RVT_2024
Revit Electrical Project Template 2024 v24.1.1 Template For: Electrical Engineers, Bim Managers, Electrical Designers Setup: Typically 2–4 hours — quicker for experienced users. View Details Technical Details Released: Jul 24,
2025-07-24
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information
reinterpretable representation of data in a formalized manner suitable for communication, interpretation or processing [cited from ISO 19650-1:2018(en), 3.3.1]
2022-07-24
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2022-07-24
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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,
2023-02-05
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Infrastructure
the structures that emphasize, organise and enable social functions. Individual units of infrastructure are known as assets. It is sometimes subcategorised into economic infrastructure, the networks of built assets that
2022-07-11
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Blog
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.
2023-02-05
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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
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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
2022-07-24
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Resources Description Framework (RDF)
Resources Description Framework (RDF) major component of the semantic web as they provide a means for identifying resources with Namespace (NS)
2022-07-11
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Blog
Appointing Party context of information exchange
ELI5-S2: BIM in Practice E4: Appointing Party context of information exchange Understanding the Appointing Party (T0) Context of Information Exchange in BIM Welcome to the fourth installment of our ELI5-S2
2024-07-22
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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
2022-07-24
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BS ISO 44002:2019
Collaborative business relationship management systems Guidelines on the implementation of ISO 44001
2022-07-15
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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
2022-07-11
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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
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BS 8541-2:2011
Library objects for architecture, engineering and construction Part 2: Recommended 2D symbols of building elements for use in building information modelling Note: ISO 22014 and ISO 22057 are under development
2022-07-15
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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
2022-07-04
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property
inherent or acquired feature of an item[SOURCE: BS ISO 6707-1:2017, 3.7.1.3] NOTE Examples include thermal efficiency, heat flow, sound reduction index and acoustic power level.PAS 14191:2020
2022-07-24
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BS 8541-4:2012
Library objects for architecture, engineering and construction Part 4: Attributes for specification and assessment – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541,
2022-07-15
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How To
Electric Vehicle Charging Points
Active charging points are fully wired and connected, ready-to-use charging points.
A passive charging point, on the other hand, is the infrastructure without the final charging unit installed.
2025-04-09
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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.
2022-06-29
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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
2022-07-24
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BS 8536-1:2015
Briefing for design and construction Part 1: Code of practice for facilities management (Buildings infrastructure)
2022-07-15
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The Centre for Digital Built Britain
The Centre for Digital Built Britain (CDBB) CDBB is a partnership between the University of Cambridge and The Department for Business, Energy and Industrial Strategy (BEIS). It is the custodian
2022-07-24
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Quality Planning (QP)
Quality Planning (QP) is a framework which specifies quality standards, practices, resources, and the sequence of activities The quality plan should define:[1] Objectives to be achieved A workflow that represents
2022-07-15
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Dictionary
metadata
ELI5-S1: BIM Basics E6: Metadata explained Understanding Metadata in Building Information Modeling (BIM) Metadata provides critical information about an item’s content, making it easier to locate and work with specific
2022-07-24
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Blog
Level of information need
Ever feel like you’re drowning in BIM data you don’t need, or scrambling for details that should’ve been there? Enter the concept of Level of Information Need. It’s a straightforward idea buried behind a not-so-straightforward name (looking at you, BS EN ISO 7817-1:2024). In plain English, a Level of Information Need defines exactly what information should be delivered – no more, no less – for a given BIM use case or project stage.
2025-06-29
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Information Controller
Responsible for setup and management of the Common Data Environment (CDE), document submission, RFI and other project document transactions. [Appointment: Lead Appointed Party Information Controller, site-based/office based.] [source] PDE 4301
2022-07-11
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2022-07-24
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Blog
Psychological attributes of collaborative working
The psychology of workplace collaboration can be traced back to the everyday interactions that occur in any organization. In the fast-evolving business world, there is a rising need to move
2021-01-09
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2022-07-27
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How To
Emergency Lighting Standards and Regulations
BS 5266‑1:2025 – whats changed? Status & scope. The new edition was published on 29th and came into effect on 31 October 2025, withdrawing BS 5266-1:2016. It is intended to be
2025-07-19
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2022-07-27
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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
2022-07-24
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Industry 4.0
Industry 4.0 is more than just manufacturing. Smart, connected technologies transform how we design, manufacture, use and maintain parts, products, and entire buildings. The interconnected technology also changes the way
2022-07-11
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EXPRESS specification
formal specification is provided in the EXPRESS language. BS EN ISO 23387:2020
2022-07-24
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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
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Conformity Assessment Committee (CASCO)
Committee whose secretariat is provided by ISO/CS that deals with conformity assessment and is responsible for the development of conformity assessment standards. https://www.iso.org/glossary.html
2022-07-24
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