The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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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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How To
Jarek Wityk

CPR Cable Classification Guide

Since July 2017, all power, control and communication cables permanently installed in buildings must comply with the Construction Products Regulation (CPR).
This guide is your reference for navigating Euroclass ratings, selecting compliant products.

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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

Function

ELI5-S1 BIM Basics E17_BIM Functions Understanding Functions: A Basic Guide In both everyday life and specialised fields like mathematics, computer science, and even construction, the term “function” is widely used.

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tension between hope and ambiguity

term coined by Deloitte[1], it is a current situation where whilst businesses conceptually understand the significant changes that information Management (IM) and technology may bring, they have divergent agendas and

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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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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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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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Permitted Purpose

A submittal state defining the intent or suitability. Permitted Purpose means any purpose related to the Works (and/or (without limitation) the construction, refurbishment, extension, operation, management and/or maintenance of the

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Instructions
Jarek Wityk

Document Naming Strategy

DOCUMENT NAMING STRATEGY All information in the PD Revit Template follows PROJECT DESIGN (IO) standards. the For one-page drawing naming strategy, please refer to free download E-5161 OnePage Naming Strategy

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class

description of a set of objects that share the same characteristics Note 1 to entry: The characteristics may be embodied by the use of properties, operations, methods, relations, semantics, etc.Note

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Dictionary
Jarek Wityk

metadata

ELI5-S1: BIM Basics E6: Metadata explained Understanding Metadata in Building Information Modeling (BIM) Metadata provides critical information about an item’s content, making it easier to locate and work with specific

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Additive manufacturing

Additive manufacturing (AM), also known as 3D printing, is the process of creating products by layering materials until a complete 3D object is created. The process can transform digital design

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Miller’s law

Argument introduced by Miller, G. A., suggests that the number of objects an average human can hold in short-term memory is 7 ± 2.[1] From a practical standpoint, this means

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Intermediate Event

An intermediate event is something that occurs between the beginning and end of a process. Triggers can be “caught” or “thrown” by intermediate events. [1] Symbol 1]     Silver, B. (2009).

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TC 59

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

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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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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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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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Asset Information Model (AIM)

The Asset Information Model or AIM is a term used to define the set of information gathered from all sources that support the continuing management of an asset

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interaction framework schema

a formal description of the rules with which an interaction framework must comply[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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Common Data Environment (CDE)
Jarek Wityk

single source of truth

In AEC industry with reference to information systems management, the single source of truth refers to Common Data Environment (CDE) The single source of truth is a method of structuring

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rationalise

In construction, to rationalise is to attempt to remove, explain or justify irrational quantities, processes or systems or else adjust unreasonable design decisions by employing logic or reason, (behaviour, attitude),

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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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Model

An electronic, three-dimensional representation of built asset or facility elements with associated intelligentattribute data (“Facility Data”). A Model term used in PAS 1192 specification has been replaced by term ‘Information

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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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Sub-process

A sub-process is a group of activities that are performed as part of a larger process or choreography. It is compound in the sense that it can be broken down

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BS 7799‑3:2017

Information security management systemsPart 3: Guidelines for information security risk management (revision of BS ISO/IEC 27005:2011)

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exchange requirement (ER)

defined set of information units that needs to be exchanged to support a particular business requirementat a particular process phase (or phases)/stage (or stages) BS EN ISO 29481-1:2017

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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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PAS 1192-7

The latest message related to PAS 1192-7 is a tweet from Paul Surin is that PAS1192-7 confirming that CPNI and  BSI have agreed to cease the development of PAS 1192-7.

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CDE gate

Transition [ISO19650] Transition is used to denote change (in the state of the information container)

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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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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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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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TT system

A system having one point of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to earth electrodes electrically independent of the earth electrodes of the

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Dictionary
Jarek Wityk

Emergency Voice Communication System (EVCS)

What is an Emergency Voice Communication (EVC) system? An Emergency Voice Communication (EVC) system (also referred to as EVCS) is a fixed, monitored, two-way voice communication system that enables point-to-point

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Dimensionality

A dimension of space, such as width, height, or length. can be zero-dimensional (location point), one-dimensional (e.g. line, curve, path), two-dimensional (e.g. surface, face), or three-dimensional (e.g. surface, face) (e.g.

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Level of detail (LOD)

Level of detail (LOD) it is a term introduced by PAS 1192, used in relation with management of the progression and uses of information. Typically referred to geometrical information There

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record

document stating results achieved or providing evidence of activities performed [1] Note 1 to entry: Adapted from ISO 9000:2005, 3.7.6. 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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system of insight

A system of insights can helps your company make decisions, and it is designed to be part of business decision-making process. It involves gather data, use it, find relationships and

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Value

What the customer wants from the process, and will pay for. [1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.

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Ecocide

In environmental justice, ecocide is the criminalised activity of substantially harming or destroying ecosystems in their entirety or by harming individual species. At time of writing, 10 countries have criminalised

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How To
Jarek Wityk

Force Relinquish

Tip of the Day (TOD): How to Relinquish Locked Revit Models If you’ve ever been frustrated by locked Revit model elements when a team member is unavailable to relinquish them,

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