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

Arc Fault Detection Devices (AFDDs) 

Arc Fault Detection Devices (AFDDs) in the UK: Technical Requirements and Implementation Executive Summary Arc Fault Detection Devices (AFDDs) represent a significant advancement in electrical fire safety. This whitepaper provides

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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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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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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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smart asset management

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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Built Environment

All forms of buildings (residential, industrial, commercial, hospitals, schools), all economic infrastructure (above and below ground) and the urban space and landscape between and around buildings and infrastructure3, as well

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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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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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Co-Location

Assembling the entire BIM design and construction team in a single location (“Co-location”) enables almost instant and direct communication and coordination among team members. This Co-location of all team members

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Blog
Jarek Wityk

VADs

Guide to Visual Alarm Devices (VADs) in Fire Safety In high-noise workspaces or locations requiring hearing protection, Visual Alarm Devices (VADs) play a critical role in fire safety. They ensure

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Code of Conduct

Set of principles to be followed by people involved in ISO work, e.g. working within an international framework, upholding consensus, being ethical. https://www.iso.org/glossary.html

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Blog
Jarek Wityk

How to respond to request for proposal (RFP)

Introduction It can be said that the digitalization of construction began with designers moving from drawing boards to computers. [1] In Architecture, Engineering, Construction and Operation (ACEO), the focus has

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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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National Annex (NA)

With reference to BS EN ISO 19650 Framework, the working group could not conclude on international codification and standardised conventions. Hence Paul Shillcock and David Churcher, the lead authors, came

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How To
Jarek Wityk

Problem Solving Process

Understanding the Problem-Solving Process

Effective problem-solving is at the heart of success in any field. Drawing inspiration from the book “General Relativity for Babies” by Chris Ferrie, which simplifies complex topics into easy-to-understand concepts, I have created a straightforward guide to the problem-solving process.

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Project delivery team

In respect of asset lifetime PAS 1192-2:2013, describes one project delivery team, the term is connected with word ‘contract’ meaning one or many companies or individuals employed either directly or

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Z2

Z2 – That part of the earth fault loop impedance which comprises the impedance under earth fault conditions of the circuit protective conductor (cpc) of the circuit under consideration.

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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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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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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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TN system

A system having one or more points of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to that point by protective conductors.

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fragmentation request

A fragmentation request corresponds to the deactivation of the property and the creation of several properties. After validation of the fragmentation request by the experts, the fragmented property is deactivated.

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How To
Jarek Wityk

Mimic Panels for Life-Safety Generators

Mimic Panels for Life-Safety Generators – UK-Specific Designer’s Guide Key takeaway: Indicator for generators and smoke-control systems (commonly referred to as ‘mimic panel’, often marked “ESP – Emergency Stand-by Power

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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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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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Dictionary
Jarek Wityk

lead appointed party

The term introduced by ISO 19650 typically describes the Tier 1 Main Contractor. For example: : The Lead Appointed Party is a specific entity directly appointed (employed) by the primary

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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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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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Instructions
Jarek Wityk

Project Template_RVT_2022

Revit Electrical Project Template 2022 v22.2.1 Template For: Electrical Engineers, Bim Managers, Electrical Designers Setup: Typically 2–4 hours — quicker for experienced users. View Details Technical Details Released: Apr 29,

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Collaborative Design

Working with different teams is probably the most difficult part of the design process. It is important to note that a collaborative design process is not about someone else creating

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Information model

set of structured and unstructured information containers (3.3.12) [cited from ISO 19650-1:2018(en), 3.3.8] ISO 19650 framework concentrates specifically on the information model concept, a term that contains multiple types of information (geometrical

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Last Planner System®

The collaborative, commitment-based planning system that integrates “should-canwill-did planning” (pull planning, make-ready look-ahead planning with constraint analysis, weekly work planning based upon reliable promises, and learning based upon analysis of

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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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knowledge model

information model that expresses knowledge in a computer interpretable structure Note 1 to entry: A knowledge model consists of a number of expressions of facts about a concept, each of which

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Fabrication Model

Digital Model(s) created from shop drawings to support fabrication and installation. Fabrication models are reviewed and approved by the A/E for conformance to design specifications.1 1 The Massachusetts Port Authority,

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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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BS EN ISO 19650 Part 2 & 3 Comparison diagram
Blog
Jarek Wityk

Comparison of ISO 19650 Part 2 and 3

Workflow comparison First, I constructed an information exchange process diagram based on ISO 19650 Part 2 dedicated to the delivery phase of an asset lifecycle (project delivery). Next, I have

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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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ubiquitous access

The modern era of IT has turned to ubiquitous access to all organizations and users. The vision is  to provide one “universal access,” i.e. access to all IT services, regardless

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carbon sink

A carbon sink is a natural or artificial reservoir that captures and stores morecarbon than it releases. Examples include forests, oceans, soil and potentially timber buildings. We need these reservoirs

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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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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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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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Sub-Process (Collapsed)

The diagram does not show the details of the sub-process. A “plus” sign in the shape’s lower-left corner indicates that the activity is a sub-process with a lower level of

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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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