The Ultimate BIM Knowledge Hub
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ELI5
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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Technical Committee (TC)
a Technical Committee (TC), which develops standards in a certain sector or industry; https://www.iso.org/glossary.html
2022-07-24
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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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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.
2023-02-05
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TC 59
Technical Committee – Buildings and civil engineering works https://www.iso.org/committee/49070.html
2022-07-24
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Consumer Unit
Atype of single-phase board for the control and distribution of electrical energy, principally in domestic premises. In the ProDesign software,a consumer unit (CU) can be split into three sections,each with
2023-02-05
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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
2022-07-27
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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
2022-07-24
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BIM Use
A Use Case is a description of an intended use of the BIM, along with a description of the type(s) of data that must be in the BIM in order
2022-07-11
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Dictionary
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
2025-03-15
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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.
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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Organization of information
Exchange Information Requirements (EIR)
The Exchange Information Requirements (EIR) term introduced by BS EN 19650 replaces the PAS 1192 term Employer Information Requirements (EIR) on all projects where BS EN ISO 19650 compliance is
2023-08-11
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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
2022-07-11
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replacement request
A replacement request corresponds to the creation of the property and the deactivation of the property it replaces. After validation of the replacement request by the experts, the replaced property
2022-07-24
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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
2022-07-24
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Lessons learned
Although BS EN ISO 19650-2: 2018 recommend that lessons learned should be captured throughout the entire project, the standard is dedicated for the delivery phase only. Hence project party can
2022-07-04
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2022-07-15
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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 …”
2022-07-27
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National digital twin
An ecosystem of digital twins connected via securely shared data. https://www.cdbb.cam.ac.uk/DFTG/GeminiPrinciples
2022-07-24
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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
2022-06-29
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Blog
The importance of Information Requirements to a successful Asset Information Management (AIM) System
Introduction One of the challenges is the Appointing Party’s difficulties with the development of successful Operational Information Requirements in relation to asset management. Understanding the business challenges that define the
2020-12-21
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Lean Project Delivery System
An organized implementation of Lean Principles and Tools combined to allow a team to operate in unison.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.
2022-07-11
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energy let-through of a device (I2t)
I2t The energy let-through of a device in A2s. The total amount of energy let through by a protective device for a given level of fault current at a stated
2023-02-05
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Open Data
The Open Data Institute (ODI) defines open data as information that is licensed for anyone to use for any purpose at no cost. Open data can be accessed, used and
2022-07-11
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BS EN ISO 19650-5:2020
Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) Information management using building information modelling Part 5: Security-minded approach to information management
2022-07-24
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System of systems
A system of systems is a collection of many different systems, each with its own characteristics. [1] System theory assumes that certain underlying concepts and principles are applicable to different
2022-07-11
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agent
…’An agent is just something that acts (agent comes from the Latin agree, to do). Of course, all computer programs do something, but computer agents are expected to do more:
2022-07-11
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Employer’s Information Requirements (EIR)
The PAS 1192 term Employer Information Requirements (EIR) has been replaced by Exchange Information Requirements (EIR) on projects where ISO 19650 standards are applicable. Employer’s information requirements (EIR) also use
2022-07-27
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Plain Language Questions (PLQ)
The publication of ISO 19650 set of standards replaces use of PLQ and instead introduce the term with exchange information requirements (EIR) and project information requirements (PIR). Project information requirements
2022-07-27
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Overload rating (Ir)
Ir The adjusted overload rating of an overcurrent protective device, in Amperes.
2023-02-05
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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
2022-07-11
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Blog
Appointed Party context of information exchange
ELI5-S2: BIM in Practice E6: Appointed Party context of information exchange Understanding the Appointed Party (T2-T4) Context of Information Exchange in BIM Welcome to the final instalment of our ELI5-S2
2024-07-22
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BS 7000-4:2013
Design management systemsPart 4: Guide to managing design in construction
2022-07-15
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Instructions
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:
2025-02-09
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Blog
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
2021-08-07
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Appointment
Equivalent to PAS1192 term ‘Contract’ The more generic term appointment has been used in ISO 19650 instead of contract. This means one term can be used for both external contracts
2022-07-27
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Level of detail (LOD)
Level of detail (LOD) it is a term introduced by PAS 1192, used in relation with management of the progression and uses of information. Typically referred to geometrical information There
2022-07-27
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Common Data Environment (CDE)
CDE area
ELI5-S1: BIM Basics E5: CDE areas and states Area and section imply moving information from one place to another. This is not necessary in a CDE. It is the state
2022-07-27
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2022-07-24
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Project Information Manager
Responsible for extraction, review, coordination and reporting of data within the native and federated models as well as associated project databases throughout the project stages to ensure client and BEP
2022-07-11
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Budget
The tender response for designing, constructing and operating the existing building and the additional extension shall include the project budget’s bid documentation. The budget must incorporate the total amount of
2022-07-04
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Team’s Capability and Capacity
The competence and understanding of BIM, of the consultants and delivery team partners to be involved in the project, shall be assessed and results included in Post-Contract BEP. The assessment
2022-07-11
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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.
2023-02-05
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delta exchange
exchange of only changed information between two synonymous sources PAS 14191:2020
2022-07-24
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Dictionary
Selectivity
Resolving Selectivity Issues in Electrical Design Free Trimble ProDesign Introduction Training Course Click the button below for more details: ProDesign Course Selectivity is achieved where,under overcurrent conditions, the protective device
2023-02-05
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Blog
Delivery Team context of information exchange
ELI5-S2 BIM in Practice E3 Delivery Team context of information exchange ELI5-S2: BIM in Practice E3: Delivery Team context of information exchange explained Understanding the context of information exchange from
2024-06-22
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Master Schedule
The purpose of a project schedule is to define how the project should be delivered and maintained based on the available resources. The development of a timetable is the first
2022-07-11
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Built Environment
All forms of buildings (residential, industrial, commercial, hospitals, schools), all economic infrastructure (above and below ground) and the urban space and landscape between and around buildings and infrastructure3, as well
2022-07-15
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risk register
means a risk register containing the risks associated with the timely delivery of information as may be identified in the Information Particulars and/or provided in accordance with the Information Standard.
2022-07-03
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