The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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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

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k Factor

Factors for conductor materials from BS7671:2018,Table43.1. Different values are given for different types of conductor and insulatingmaterials. k2s2 used in adiabatic calculations gives the short-time withstand of a conductor in

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Blog
Jarek Wityk

The Museum of the Future

Introduction The idea to connect 3D CAD models with construction programs (4th Dimension) was formulated in 1986-87 when Bechtel collaborated with Hitachi Ltd to develop the 4D visual model[1] The

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Fault

Acircuit condition in which current flows through an abnormal or unintended path. The fault current may flow from line to line (phase fault) or line to earth (earth fault).

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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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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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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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Geographic Information System (GIS)

A geographic information system (GIS) is a framework for gathering, managing, and analyzing data. Rooted in the science of geography, GIS integrates many types of data. It analyzes spatial location

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third party

person or body that is recognized as being independent of the parties involved with the issues in question [1] Note 1 to entry: “Parties involved” are usually supplier (“first party”) and purchaser (“second party”). 1

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Committee

This could be: a Technical Committee (TC), which develops standards in a certain sector or industry; a Subcommittee (SC), which addresses a specialized area within a TC; a Project Committee

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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

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Product Data Template (PDT)

The document aimed to be used by manufacturers and consumers where information about a product, is collated in a standardised and structured way. The information is structured in the form

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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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Information Protocol

The First Edition of the Building Information Model (BIM) Protocol published in 2013 identifies and puts into place specific obligations, liabilities and associated limitations on the use of the Building

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intrinsic aspect

role that an aspect plays in a relationship with a possessor and that is dependent on the aspect as well as on the possessing object Note 1 to entry: Typically the

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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

SHARED

All project Model Authors’ information for the use of the entire project team. The Federated Model Manager will combine all information for checking against the AIR. All team members should

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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

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Blog
Jarek Wityk

BIM and Lean Construction

Introduction The term referred to as Lean Construction aims to reduce overproduction, minimise handling, storage, transportation, or remove processes that do not add value. The Construction industry recognized the potential

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Project Implementation Plan (PIP)

The Project Implementation Plan (PIP) it is a PAS 1192 term that should assist in establishing of the supply chain’s capability. In summary, it consists of the supplier’s: BIM assessment

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supply chain

Term used to describe the relationship between organisation that provide materials, products or services for the client. Referring to ISO 19650 Framework the supply chain is synonymous to a ‘delivery

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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

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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.

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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

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data aggregation

Data aggregation refers to a process that involves gathering information and expressing it in summary form for statistical analysis or other purposes. In many cases, data aggregation is exclusively done

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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

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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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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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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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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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built asset

individual or multiple buildings (e.g. a site or campus) or infrastructure (e.g. roads, railways, pipelines, dams, docks, etc.) built as part of a construction project or where the asset information

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Classification and Standardisation
Jarek Wityk

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,

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BS EN ISO 19650-2:2018

Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) — Information management using building information modelling Part 2: Delivery phase of the assets

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BIM collaboration format (BCF)

BIM Collaboration Format (BCF) is an open file format that allows the addition of textual comments, screenshots, and other information on top of the IFC model layer for improved communication

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PAS 14191:2020

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

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UK BIM Framework (roadmap)

UK BIM Framework roadmap! Almost three years have passed since the first BS EN ISO19650-1 standard was published.A lot of work has been done; some people are upset about the

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Dictionary
Jarek Wityk

BIM Execution Plan (BEP)

The purpose of the BIM Execution Plan (BEP) is to clearly define the actions required of each member of the project team in order to successfully deliver the BIM workflows

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attribute

Depending on the technology discussed, the term attribute can be treated as equivalent to a property or as a set of attributes, such as the number of elements in a

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DWG

DWG (“drawing format”) is a binary file format licensed by Autodesk and used for storing two and limited three-dimensional design data and metadata. It is the native format for several

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major change

change that affects the meaning, function or intended useNOTE Definition applies to properties and groups of properties.PAS 14191:2020

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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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