The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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Pre-appointment BEP

Pre-appointment BEPs communicates the delivery team’s intended approach to the information management process in the project, it is submitted as part of the prospective Lead Appointed Party tender response. For

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Organization of information
Jarek Wityk

Exchange Information Requirements (EIR)

The Exchange Information Requirements (EIR) term introduced by BS EN 19650 replaces the PAS 1192 term Employer Information Requirements (EIR) on all projects where BS EN ISO 19650 compliance is

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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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Waste

The opposite of value. There are eight basic types of waste: motion waiting transportation of goods over-processing under utilization overproduction inventory defects [1] [1] The Massachusetts Port Authority, 2015. BIM

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Ze

That part of the earth fault loop impedance which is external to the circuit under consideration. For the supply cable it will be the impedance external to the installation. For

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minor change

change that does not affect the meaning, function or intended use NOTE 1 Definition applies to properties and groups of properties.NOTE 2 Examples of this type of change are new

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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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Virtual Design and Construction

Virtual Design and Construction (VDC) is the use of design models and project information to apply construction processes in a virtual environment to reduce time, cost, and ensure design intent.

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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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information requirement

The information needed to support a business or other activity. specification for what, when, how and for whom information (3.3.1) is to be produced [cited from ISO 19650-1:2018(en), 3.3.2] Term directly related to:

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Strategic Objectives of BEP

Objectives of BEP shall be allignwed with Exchange Information Requirements (EIR), an example of Strategic Objectives for a project have been listed below: Meet Level 2 BIM compliance, in accordance

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Activity

An identifiable chunk of work with recognized prerequisites to begin and a recognized State of Completion – or Conditions of Satisfaction. Another way to look at an activity – establish

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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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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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How To
Jarek Wityk

UK Earthing & Bonding Design Reference

UK Earthing & Bonding Design Reference (Edition 2025 – aligned with BS 7671:2018+A2:2022, Amendment 3 (2024), and draft Amendment 4 (2026), also drawing from official UK Power Networks standards) Scope,

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Contract Particulars

Contract Particulars refer to the document outlining the Framework Agreement’s specific core terms, which may include but are not limited to the Pricing Schedule, Authorised Officer, Contract Manager, Key Personnel,

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Tier 2

In the construction industry, Tier 2 is a Contractor referred in ISO 19650 as the Appointed party with a sub-contract who provide goods or services directly to the Lead Appointed

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Spacial Asset

A spacial asset can be defined as a specific location such as a zone, boundary, area, floor or room with a known location and extents.For most businesses, spacial assets usually

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System of engagement

The System of Engagement is defined as a platform that manages supported digital engagement, of systems like Browsing, Web Chat, Messaging, videos (Facebook, WhatsApp, TEAMS, ZOOM, Signal, Slack, etc.), various

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BS EN ISO 23386:2020

Building information modelling and other digital processes used in construction Methodology to describe, author and maintain properties in interconnected data dictionaries

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Dictionary
Jarek Wityk

BS ISO 8000-2:2020

Data quality Part 2: Vocabulary ISO 8000 is an emerging technology standard for organizations that want to improve business processes and control operating costs throughout the product life cycle from

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Lean Project Delivery System

An organized implementation of Lean Principles and Tools combined to allow a team to operate in unison.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.

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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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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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The Gemini Principles

Purpose: Must have clear purpose Public good Must be used to deliver genuine public benefit in perpetuity Value creation Must enable value creation and performance improvement Insight Must provide determinable

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Device rating (In)

Circuit Protective Device rating,or ‘In’ in Amperes. If the overload setting can be adjusted, then the ‘adjusted rating’ is known as ‘Ir’.

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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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Golden thread

The (digital by default) record of predefined documents and building information required to ensure that the original design intent and any subsequent building changes are captured, preserved, and used to

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data dictionary

centralized repository of information about data such as meaning, relationships to other data, origin, usage and formatNote 1 to entry: The definition is from IBM Dictionary of Computing BS EN

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Value Stream Mapping

A diagram of every step involved in the material and information flows needed to bring a product from request to delivery. [1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines

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life cycle

stages and activities spanning the life of the system from the definition of its requirements to thetermination of its use, covering its conception, development, operation, maintenance support and disposal NOTE

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Management of Sustainability in BIM

Introduction Sustainability in terms of Building Information Modelling (BIM) was defined as the sixth dimension of BIM by a large consulting firm as “what to do in terms of sustainability”[1]

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secondary power supply (SPS)

alternative or supplementary electrical energy sources has become more viable, typical secondary power supply (SPS) Photovoltaic (PV) power Wind turbine power standby generator

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tertiary power source

A Uninterruptible Power Supply (UPS) or standby generator connected to dedicated final circuits of the distribution infrastructure. Enhance the infrastructure resilience and can improve maintenance opportunities and business continuity for

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systems thinking

System thinking is an approach to integration based on the idea that each component or part of a system acts differently when isolated from its environment and other parts of

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delivery phase

part of the life cycle (3.2.10), during which an asset (3.2.8) is designed, constructed and commissioned [cited from ISO 19650-1:2018(en), 3.2.11] ISO 19650-2:2018 Standard dedicated to the delivery phase

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Dictionary
Jarek Wityk

VEAM connector

VEAM connectors refer to a specific type of electrical bayonet type connectors known for their robustness and reliability in harsh environmental conditions. These connectors are commonly used in various industries,

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Max Zs

Themaximum value of earth fault loop impedance (Zs) that will allow the protective device in a circuit to disconnect an earth fault within the prescribed time. Example: if themaximum earth

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Instructions
Jarek Wityk

LTF_Lighting-Fixture Circular

LTF_Lighting-Fixture_Luminaire-Circular vv22.1.1. Family For: Electrical Engineers, Bim Managers, Electrical Designers Setup: 10 – 30 minutes View Details ▼ Technical Details Released: Feb 9, 2025 Updated: Jul 5, 2025 Compatibility Notes:

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objective

results to be achieved The objective can be strategic or operational; it can relate to different disciplines such as financial, health and safety, or environmental. The targeted results can be

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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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Grouping rating factor (Cg)

Grouping rating factor used for calculatingminimum required cable size. For cables installed in air, values for this factor are given BS7671:2018,Tables4C1,4C4,4C6.For ground installations, values are given in Table4C2. Grouping a

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