The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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Start Event

A start event specifies where a process will begin. Start events can only react when a trigger is “caught.” Symbol 9). BPMN Method and Style: A levels-based methodology for BPM

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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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taxonomy

A system for naming and organizing a set of words or phrases, into groups that share similar qualities, used for organising information and primarily intended for browsing. In BIM contexts

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Prospective fault current (Ipf)

Prospective Fault Current (Ipf) is the value of overcurrent at a given point in a circuit resulting from a fault of negligible impedance between live conductors having a difference of

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asset management

coordinated activity of an organization to realize value from assets Note 1 to entry: Realization of value will normally involve a balancing of costs, risks, opportunities and performance benefits.Note 2

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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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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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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

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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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component

named and individually scheduled physical item and feature that might require management, such as inspection, maintenance, servicing or replacement, during the in-use phaseNote 1 to entry: Components can serve as

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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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workflow

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

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Dictionary
Jarek Wityk

information delivery milestone

scheduled event for a predefined information exchange [cited from ISO 19650-2:2018(en), 3.1.3.2] Milestones act as signposts through the course of a project. An information delivery milestone is a point in

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workflow management system

Workflow management systems allow organisations to identify and control activities associated with a business process. Effective workflow management offers the opportunity to measure and analyse the execution of the processes

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BS EN ISO 19650-3:2020

Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) – Information management using building information modelling Part 3: Operational phase of the assets

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digital built environment

The terminology such as digital built environment and smart asset management, often referred to as Digital Construction, encompasses multiple technologies and processes related to information or project management and the

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definition

representation of a concept by a descriptive statement which serves to differentiate it from related concepts Note 1 to entry: A definition may be expressed as natural language text (a textual

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Dictionary
Jarek Wityk

BIM Stages

ELI5-S1:BIM Basics: E13_Understanding BIM Stages Understanding BIM Stages: Transitioning from BIM Levels to a Modern Framework In the world of Building Information Modeling (BIM), we often come across terms like

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diffusion

a process by which an innovation is communicated through certain channels over time among the members of a social system E.M. Rogers, Diffusion of Innovations, Free Press, New York, 1995.

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coordination

execution of workflow in the correct sequence managed by the competent project team members working together to achieve common, albeit often multifaceted goal. Coordination often involves more than one party

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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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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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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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Current-carrying capacity

Themaximum current which can be carried by a conductor under specified conditions (Installation method, temperature,grouping,etc.)without its steady-state temperature exceeding a specified value (for example,90 ºCfor cables with thermosetting insulation).

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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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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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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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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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Model View Definition (MVD)

One or more specific information exchange requirements may necessitate the need for a model view definition (MVD). A machine-readable representation of MVDs is required when using them in software development.

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Dictionary
Jarek Wityk

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

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Final Circuit

A circuit connected directly to current-using equipment, or to a socket-outlets or other outlet points for the connection of such equipment.

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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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Insurance Backed Alliancing

A new procurement method coupled up with Integrated Project Insurance model (IPI) is a framework which encourages and empowers project teams to work together. The procurement method introduced by Constructing Excellence

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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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naming

The term naming in PAS 1192 is related to information container naming strategy, in ISO 19650 the therm is replaced by term ‘identification’ meaning remains the same

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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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Gateway (Exclusive)

[XOR] When splitting, directs the sequence flow to one of the outgoing branches. When merging, it waits for one incoming branch to finish before starting the outgoing flow.[1] Symbol   

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Appointee

    UK BIM Alliance responding to the inconsistency between current  guidance of CIC BIM Protocol, Second Edition 2018 and ISO 19650 Framework published updated Information protocol to support BS EN

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Industry Foundation Classes (IFC)

conceptual data schema and exchange file format for building information modelling (BIM) data BS EN ISO 23387:2020 In general, IFC, or “Industry Foundation Classes”, is a standardized, digital description of

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Clash Detection

Clash detection, coordination analysis and data checks shall be carried out by the BIM Coordinators against the latest shared models. The workflows involve a combination of visual and automated checks

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Information Controller

Responsible for setup and management of the Common Data Environment (CDE), document submission, RFI and other project document transactions. [Appointment: Lead Appointed Party Information Controller, site-based/office based.] [source] PDE 4301

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Dictionary
Jarek Wityk

volume

ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained a term defined by BS 1192:2007 means a spatial subdivision of a project to allow multiple people to work on Project Information

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Dictionary
Jarek Wityk

PUBLISHED

Information accepted by the nominated party, in which case it will be suitable for tender or construction (2D model output only). Such that the ‘Published’ area should be maintained in

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