The Ultimate BIM Knowledge Hub

Your one-stop resource for BIM electrical.
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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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Data Object

Data objects provide information about the activities that must be performed and/or the results that they produce. Elements of data objects must be contained within process or sub-process elements. Data

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BS 8541-3:2012

Library objects for architecture, engineering and construction Part 3: Shape and measurement – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541, parts 1-6.

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BIM thinking ahead

I decided to challenge myself and explore existing and emerging technologies in order to estimate what could we achieve during the next 30 years. The question is considered in terms

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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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Association

An association is used to link data and artefacts to flow objects. Non-flow objects, such as text and graphics, can be associated with flow objects and flow.[1] Symbol [1]     Silver,

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reference document

publication that is consulted to find specific information, particularly in a technical or scientific domain EXAMPLE See EN 771-1:2011+A1: 2015.Note 1 to entry: A reference document can be associated with

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Lane

A lane is a sub-partition within a process (often within a pool) that runs the length of the process level, either vertically or horizontally. Lanes are frequently used for internal

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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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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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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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Dictionary
Jarek Wityk

Selectivity

Resolving Selectivity Issues in Electrical Design Free Trimble ProDesign Introduction Training Course Click the button below for more details: ProDesign Course Selectivity is achieved where,under overcurrent conditions, the protective device

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Basic protection

Protection against electric shock under fault-free conditions;use of barriers,placing out of reach,and so forth.

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ontology

An ontology is a set of rules that make it possible to link data on a semantic level. Means the unstructured, semi-structured data can be read and encoded by computers.

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individual thing

the concept that classifies any real-world or imaginary thing that has an individuality that is not dependent on a commonality between things Note 1 to entry: This standard is about kinds

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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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Dictionary
Jarek Wityk

Project Team

All parties appointed for the project are defined as members of the Project Team. Each function can be fulfilled by either an individual or multiple people throughout the course of

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The Centre for Digital Built Britain

The Centre for Digital Built Britain (CDBB) CDBB is a partnership between the University of Cambridge and The Department for Business, Energy and Industrial Strategy (BEIS). It is the custodian

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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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Value Stream

Includes all the processes and activities used to design, produce and deliver the product or service to the Customer.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and

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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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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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Cross-sectional view of a residential building’s fire core, showing protected stairwells, lift shafts, fire-rated partitions, and service risers enclosed within fire-resistant construction, designed to maintain vertical compartmentation and safe evacuation routes during a fire.
How To
Jarek Wityk

Secondary Supply – diverse cable route

This guidance covers the routing of secondary supply cables from a life safety generator to the ATS (Automatic Transfer Switch), and the final equipment with reference to:

BS 7671:2018+A2:2022, specifically Section 560: Safety Services

BS 8519:2020, with emphasis on Clause 7 (Cable Routing) and Clause 11 (Cable Selection)

The goal: clarify requirements for the diverse cable routing and maintain circuit integrity under fire conditions for systems that support life safety and fire-fighting applications, such as sprinkler pumps, fire-fighting lifts, and smoke control systems.

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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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Blog
Jarek Wityk

Terminology and UK Contract Law

The use of terms such as Lead Appointed Party, Appointed Party and Task Team in lieu of terms: employer, supplier, contractor and subcontractor, require clarification to become legally binding. The

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buildingSMART Data Dictionary

PD 19650‑0:2019 In short, the BuildingSMART Data Dictionary is a library for everything to do with the building. NumberName is an int key and string value that can be stored

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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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Rated current

Value of current used for specification purposes,established for a specified set of operating conditions.

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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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Blog
Jarek Wityk

Shared context of information exchange

ELI5-S2: BIM in Practice E1: Shared context of information exchange Introducing the “ELI5-S2 BIM in Practice” Series! Welcome to the first post in our new series, “BIM in Practice,” where

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Quality Assurance (QA)

Quality assurance (QA) is the action or process of verification that a requirement in terms of quality is being met. Managing the quality involves planning, establishing a workflow for fulfilling,

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Blog
Jarek Wityk

BS8519 awareness of the changes

An email debate on whether BS 8519’s “dedicated cable support” rules really apply to central battery emergency lighting. We unpack the scope of BS 8519 vs BS 5266-1 and BS 7671, and what that means for segregation, containment and life-safety wiring on real projects.

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Operations and Maintenance (O&M)

Describes the functions, duties, and labour associated with the operations of an asset, including repairs, replacement of parts and structural components, and other activities needed to maintain an asset.

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Work standards and workflows

Project management focuses on project completion by the execution of various processes. Most of the workflows comprising repetitive tasks can be optimised by applying workflow management systems. Automation-optimized business processes

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Workspace

A collection of content libraries and supporting files that define and embody a BIM standard. A workspace includes BIM libraries such as wall types, standard steel shapes, furniture, HVAC fittings,

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Dictionary
Jarek Wityk

federation strategy

ELI5-S1: BIM Basics E4: Federation Strategy Explained The purpose of the federation strategy and the Information Container (model) breakdown structure is to help plan the production of information by separate

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a professional and informative illustration that represents the concept of 'X-ref in Construction and BIM'
Dictionary
Jarek Wityk

x-ref

The term “X-ref” is commonly used as an abbreviation for “External Reference” in various technical and engineering fields, including construction, Building Information Modeling (BIM), and computer-aided design (CAD). Here’s a

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PAS 14191:2020

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

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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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Adiabatic

Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.

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