The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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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

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BS EN ISO 19650 Part 2 & 3 Comparison diagram
Blog
Jarek Wityk

Comparison of ISO 19650 Part 2 and 3

Workflow comparison First, I constructed an information exchange process diagram based on ISO 19650 Part 2 dedicated to the delivery phase of an asset lifecycle (project delivery). Next, I have

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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

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Conformance Class

Conformance class allows establishing relations from the information model of BS EN 82045-2 to any other object of relevance available information model. For example, the Project Information Model (PIM) Conformance

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Openness

in relation to data and information – also linked to interoperability means that it is provided or made available in a format that can be accessed and used withoutrecourse to

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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,

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Dictionary
Jarek Wityk

information container

ELI5-S1 BIM Basics E12_Information Container explained A persistent set of information retrievable from within a file, system, or application storage hierarchy. [1] named persistent set of information retrievable from within

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BIMwash

The term BIMwash is derived from Whitewash, “a cheap white paint or coating of chalked lime used to quickly give a uniform clean appearance to a wide variety of surfaces”. Metaphorically, to

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Assignment

A request or offer resulting in a Reliable Promise and is ready to be placed on the Weekly Work Plan (WWP) for performance. An assignment must meet the characteristics for

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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

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Integrated Workplace Management System

Integrated Workplace Management System. Such systems incorporate powerful database capabilities to capture enterprise-level functions and serve as decision support tools at all organizational levels and throughout the whole building lifecycle.

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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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Circuit Protective Conductor (CPC)

Acircuit protective conductor (CPC) connects exposed-conductive-parts* of equipment to themain earthing terminal. *Conductive part of equipment,which can be touched and which is not normally live,but which can become live when

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Ambient temperature rating factor (Ca)

Ambient temperature rating factor used for calculating theminimum required cable size. For cables installed in air, values for this factor are given in BS7671:2018 Table4B1.For ground installations, values are given

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Industrial Internet of Things (IIoT)

The industrial IoT (IIoT) forms an integral part of Industry 4.0, and smart manufacturing refers to interconnected sensors, and other input/output devices linked to manufacturing applications, supporting industrial automation and

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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

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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

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Supporting Information

Supporting information shall be used where applicable and relevant to fully understand and evaluate information requirements or acceptance criteria. Supporting information includes but is not limited to: Existing site surveys

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Data Association

A data association is used to move data between data objects, properties, and activity and process inputs and outputs. The association connector style can be used to visually represent data

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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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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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Dictionary
Jarek Wityk

Volume strategy

ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained Introduction Volume Strategy enables information management, spatial coordination, and concurrent engineering, ultimately fitting together like a complex 3D jigsaw puzzle, where each

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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

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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

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Dictionary
Jarek Wityk

BS EN ISO 31000:2018

Risk management guidelines ISO 31000 is an international standard first published in 2009, the current version published in 2018. The standard contains principles and guidelines for effective risk management. It

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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).

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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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Assignment matrix

Responsibility matrix [ISO19650] In ISO 19650 there is a principle to develop responsibility matrices to cover information management activities and information delivery. Responsibility matrix [PAS1192] The former is illustrated as

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Design Build

A contract type used in construction, typical characteristics: There is a single contract for design services and construction services; design and construction of the project may be in sequential phases

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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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Start Event (Message)

A message is received from a participant, which initiates the process. The actual recipient of the message can be identified by connecting the event to a participant via a message

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Diagram comparing coordination failure and selective coordination between protective devices in an electrical system. The top section shows a 32Amp circuit tripping a 63Amp breaker, causing upstream devices rated 125Amp and 160Amp to disconnect unnecessarily. The bottom section demonstrates selective coordination, where a 125Amp device isolates the fault without affecting upstream devices rated 250Amp and 600Amp.
Blog
Jarek Wityk

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.

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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

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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

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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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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,

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4D Modeling

4D Modelling also referred to as 4D BIM, when supported by existing planning techniques, can improve project delivery times and schedules. To make the gains possible, all project members must

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Diversity

It is often not desirable to size each conductor in a distribution system to support the total connected load at that point in the network.Diversity is applied on the basis

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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.

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