The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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ontology

An ontology is a set of rules that make it possible to link data on a semantic level. Means the unstructured, semi-structured data can be read and encoded by computers.

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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

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Pre-contract BEP

On projects where ISO 19650 Framework has implemented a term, Pre-appointment BEP is used instead of the PAS 1192 term Pre-contract BEP. The meaning is the same, it communicates on

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Work stages

A division of standardised process and activities into named stages during the life of a system or facility. The process and activities extending from the definition of its requirements to

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IDM standard

BS EN ISO 29481-1 Building information models – Information delivery manual (IDM) PD ISO/TS 12911:201

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Contract

Appointment ISO 19650 introduce term Appointment to be used instead of the more generic term contract. This means one term can be used for both external contracts and internal work

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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

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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

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Lean construction

Lean Construction is the method of project management aiming to reduce waste on a project and improving the efficiency and quality of produced work [1]. The aim to reduce overproduction,

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Z1

Z1 – That part of the earth fault loop impedance which comprises the impedance under earth fault conditions of the line conductor of the circuit under consideration.

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Security Management Plan

A document (or part of a document) identified in the Information Particulars setting out the security requirements for carrying out the Works in a security-minded way, including any policies, protocols,

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Message Flow

A message flow depicts the exchange of messages between two participants who are ready to send and receive them. A message flow must connect two distinct pools. They are either

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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

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Heating, Ventilation and Air-Conditioning (HVAC)

Heating, Ventilation and Air-Conditioning (HVAC). All necessary heating, ventilation air-conditioning and specialty equipment, including air distribution ducts for supply, return, and ventilation and exhaust ducts, including control system, registers, diffusers,

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Quality Assurance (QA)

Quality assurance (QA) is the action or process of verification that a requirement in terms of quality is being met. Managing the quality involves planning, establishing a workflow for fulfilling,

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Target Value Design

Target Value Designs (TVD) focus is on reducing the cost of a project without reducing the quality of the end product or extending the timetable. The team sets a cost

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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.

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As-Built Model

Model(s) based on Fabrication Shop Model(s) and installed conditions.1 1 1 The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.

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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

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Common Data Environment (CDE)
Jarek Wityk

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

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Dictionary
Jarek Wityk

Task Information Delivery Plan (TIDP)

schedule of information containers and delivery dates, for a specific task team [cited from ISO 19650-2:2018(en), 3.1.3.4] The Task Information Delivery Plan (TIDP) is defined by the ISO 19650 framework

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Crown Commercial Services (CCS)

The Crown Commercial Service (CCS) is an administrative agency and trading fund of the Cabinet Office of the UK Government, responsible for the supervision of the procurement of common goods

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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

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Project delivery team

In respect of asset lifetime PAS 1192-2:2013, describes one project delivery team, the term is connected with word ‘contract’ meaning one or many companies or individuals employed either directly or

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deactivation request

A deactivation request corresponds to a modification of the property. After validating of the deactivation request by the experts, the value of the calculated status of the property changes to

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fragmentation request

A fragmentation request corresponds to the deactivation of the property and the creation of several properties. After validation of the fragmentation request by the experts, the fragmented property is deactivated.

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system

interacting objects organized to achieve one or more stated purpose [SOURCE: ISO/IEC/IEEE 15288:2015, 4.1.46, modified — The words “combination of” at the beginninghave been removed; “elements” has been replaced by

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Dictionary
Jarek Wityk

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

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Appointed party

The appointed party term introduced in BS EN ISO 19650 it is meant to replace PAS 1192 term ‘Supplier’ Typically it means Tier 2 and below Contractors Who can become

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Gateway (Parallel)

[And] When used to split the sequence flow, all outgoing branches are activated at the same time. When parallel branches are merged, it waits for all incoming branches to complete

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open interoperability

the meaning and benefits: single procurement of information that can be relied upon over time, removing the need for it to be repeatedly re-procured; a ‘Golden Thread’ of information to

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Trigger Event

Trigger Events are the occurrences during the life of an asset that causes new or updated information to be required.There are two types of trigger event: Foreseen – planned for

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Common Data Environment (CDE)
Jarek Wityk

single source of truth

In AEC industry with reference to information systems management, the single source of truth refers to Common Data Environment (CDE) The single source of truth is a method of structuring

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Existing Conditions Modeling

A process of developing a 3D model of the existing conditions for an asset, or a specific area within a facility.The model can be developed based on laser scanning surveys

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Dictionary
Jarek Wityk

Work in Progress (WIP)

A supply-chain management term describing partially finished information awaiting completion. In other words, the Information model is not to be used by any other project party. Before progression onto the next

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Certification

Assurance given by an independent certification body (ISO does not perform certification) that a product, service or system meets the requirements of a standard. https://www.iso.org/glossary.html

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TC 59

Technical Committee – Buildings and civil engineering works https://www.iso.org/committee/49070.html

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PAS 14191:2020

Built environment – Management and operation of interconnected construction data dictionaries Specification

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Geo-referencing

A BIM is said to be geo-referenced when the BIM is located with respect to one of the standard geographic survey coordinate grids established to represent locations on the Earth’s

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Dictionary
Jarek Wityk

jet

extinguishing medium, usually water, leaving a nozzle as a continuous stream, water spray, or waterfog (mist) BS 4422 2005 Each of these methods has its own advantages and is chosen

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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

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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

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