The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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Depth of lay rating Factor (Cd)

The rating factor Cd is applied to cable sizing calculations for cable installed in the ground. Its value varies according to the depth of lay installed. See BS7671:2018,Table4B4. Indicates the

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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

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Navisworks file format (NWF)

When saving to a “Navisworks file format (NWF), only a list with pointers to the files currently loaded is saved, along with the scene’s environment, the current view, clash results,

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process

set of interrelated or interacting activities that transforms inputs into outputs [SOURCE: ISO 9000:2005, definition 3.4.1 (without notes)] ISO 14040:2006(en), 3.11 It is a PAS1192 term replaced by term ‘workflow’ in ISO

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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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TC 59

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

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Dictionary
Jarek Wityk

jet reaction

nozzle reactionforce acting in the opposite direction to the water stream leaving the nozzle BS 4422 2005 “Jet reaction,” also known as “nozzle reaction,” is a fundamental concept in fluid

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unit

standard measurements of physical quantities that require a clear definition to be useful. The International Bureau of Weights and Measures (BIPM) is responsible for ensuring the standardization of the use

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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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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:

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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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People

An element of a BIM strategy which is often overlooked. Clear communication is required as to why and how you intend to implement BIM and gain support by engaging BIM

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UML diagram

provides the data structure for data templates using objects, collections and relationships between them. The multiplicities in the UML diagram specify the range of allowablecardinality values, giving a specification of

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workflow

The term ‘workflow’ is used in ISO 19650 instead of the PAS 1192 term ‘process’.

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Federated Information Model

Computer science and IT In the fields of computer science and information technology, a federated information model refers to a structure where data is stored across multiple independent systems but can

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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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IDM standard

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

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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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individual thing

the concept that classifies any real-world or imaginary thing that has an individuality that is not dependent on a commonality between things Note 1 to entry: This standard is about kinds

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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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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

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Sub-Process (Expanded)

The sub-process boundary is expanded, and the details (a process) are visible within it. It is important to note that sequence flows cannot cross the boundary of a sub-process.[1] Symbol

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BS EN ISO 19650-1:2018

Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) — Information management using building information modelling Part 1: Concepts and principles

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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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BS 8536-2:2016

Briefing for design and constructionPart 2: Code of practice for asset management (Linear and geographical infrastructure)

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Adiabatic

Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.

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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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Mobilization Plan

A plan for the Mobilization of the Delivery Team’s resources in accordance with the Information Standard which is contained in the Appointment or, if no Mobilization Plan is contained in

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Soil Thermal Resistivity

Relates to the ability of the soil, in which the cable is installed, to conduct heat energy away from the cable. The rating factor Cs is applied in cable sizing

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Dictionary
Jarek Wityk

data

ELI5-S1 BIM Basics E18_data Understanding Data in BIM: The Foundation of Smart Asset Management When we think about Building Information Modeling (BIM), it’s easy to get lost in the complexity

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Parametric behaviour

The parametric behaviour of an object describes whether its shape, position, and orientation are designed to be dependent on other information associated with the object or the context in which

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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

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task team

The term, introduced by ISO 19650, describes a team of people working together on a specific task. task team might be an individual appointed party, and the appointed party might

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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,

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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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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

Young Person

The term “Young Person” in the context of construction, Building Information Modeling (BIM), electrical engineering, or general engineering typically refers to a younger individual, often a recent graduate or entry-level

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Blog
Jarek Wityk

BS8519 awareness of the changes

An email debate on whether BS 8519’s “dedicated cable support” rules really apply to central battery emergency lighting. We unpack the scope of BS 8519 vs BS 5266-1 and BS 7671, and what that means for segregation, containment and life-safety wiring on real projects.

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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—

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Facility Lifecycle

This refers to the time span stretching from a building’s conception to demolition including the five distinctive phases (Planning, Design, Construction, Operations, and Disposition).1 1 The Massachusetts Port Authority, 2015.

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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

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International Harmonized Stage Codes

Stages: 00 PRELIMINARY 10 PROPOSAL 20 PREPARATORY 30 COMMITTEE 40 ENQUIRY 50 APPROVAL 60 PUBLICATION 90 REVIEW 95 WITHDRAWAL Substages: 00 REGISTRATION 20 START OF MAIN ACTION 60 COMPLETION OF

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