The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
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Cable Ladder vs Perforated Cable Tray Selection Guide
Cable Ladder vs Perforated Cable Tray – Selection Guide (UK, 2025) Scope & references BS 7671:2018+A2:2022 and A3:2024 (selection & erection; installation reference methods; grouping). IET On‑Site Guide to BS
Digital Plan Of Work (DPoW)
Digital Plan Of Work (DPoW) forms a framework that supports informed and consistent decision making by project teams, at each work stage, helping to deliver agreed and reliable information. The
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
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
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
Intermediate Event (Message/Catching)
A message intermediate event can be used to both send and receive messages. When used to “catch” the message, the event marker must be left empty. If the process was
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
change strategy
Concept of change strategy involves identifying objectives, formulating intervention concepts for change, forming and defining success parameters, and implementing strategies. This includes testing the effectiveness of the changes and their
collaboration
a deliberate approach to working together on an agreed common purpose within functional, organisational, geographic, or organisational boundaries. Collaboration often depends on a solid knowledge management culture to facilitate the exchange and
Management of the cyber-security threats in Common Data Environment
The increased reliance of the IT Technology Widely used cloud-based systems with file-sharing protocols have are the way of the future, but the use of such a platforms increase the
BS EN ISO 41001:2018
Facility management Management systems Requirements with guidance for use ISO 41001 and the vocabulary published as ISO 41011 is a Facilities Management Standard developed by the International Organizational Standards (ISO)
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
Semantic Web
The Semantic Web, as defined by Ontotext[1] is the extension of the existing information and data on a network (or Web) to include data descriptors, which are intended to allow
Leadership in Energy and Environmental Design
An internationally recognized green building certification system confirms the level of the sustainability performance of an asset. Confirming the level at which the asset was designed and built using strategies
specialization relation
relation between kinds of things that relates two concepts whereby the subtype concept is a more specific concept than the supertype concept and has all the aspects that define the
Quality Planning (QP)
Quality Planning (QP) is a framework which specifies quality standards, practices, resources, and the sequence of activities The quality plan should define:[1] Objectives to be achieved A workflow that represents
verification
confirmation, through the provision of objective evidence, that specified requirements have beenfulfilled [SOURCE: BS EN 17412‑1:2020] Verification is the process of checking that the product/service meets the specification, it will
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
facility
physical structure (asset) or installation, including related site, works, serving one or more main purposeNOTE: Typically, a facility will require management over part or all of its life cycle. The
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.
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
Start Event (Message)
A message is received from a participant, which initiates the process. The actual recipient of the message can be identified by connecting the event to a participant via a message
Architecture, Engineering, Construction and Operation (AECO)
Architecture, Engineering, Construction and Operation usually expressed as acronym AECO is an extension of the Architecture, Engineering, Construction (AEC). Both terms are related to the entire built environment, not just
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
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
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
AD Hoc Group (AHG)
AD HOC GROUP (AHG) Group set up within a committee to look into a particular problem and report back to the parent committee at a meeting. The group is disbanded after
graphical
The PAS1192 term has been replaced by ISO19650 term ‘geometrical’ Geometrical is more appropriate to describe spatial positioning and relationships
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
International Harmonized Stage Codes
Stages: 00 PRELIMINARY 10 PROPOSAL 20 PREPARATORY 30 COMMITTEE 40 ENQUIRY 50 APPROVAL 60 PUBLICATION 90 REVIEW 95 WITHDRAWAL Substages: 00 REGISTRATION 20 START OF MAIN ACTION 60 COMPLETION OF
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
Domestic PV sizing rule-of-thumb (RoT)
Domestic PV sizing rule-of-thumb (RoT) Grid-tied, focused on self-consumption UK rule-of-thumb (RoT) Peak Sun Hours (PSH): 3.5 summer, 2.0 spring/autumn, 1.0 winter For calc use Peak Sun Hours (PSH) =
BS ISO 44001:2017
Collaborative business relationship management systems Requirements and framework
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
Working Group (WG)
WORKING GROUP (WG) Specialized group within a committee that is responsible for drafting a particular standard or set of deliverables. It is usually quite small, composed of experts and headed by
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
Semi-enclosed fuse rating factor (Cf)
The rating factor Cf = 0.725 is applied to cable sizing calculations for any circuit protected by a semi-enclosed fuse to BS3036.
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
BS 7000-4:2013
Design management systemsPart 4: Guide to managing design in construction
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
information
reinterpretable representation of data in a formalized manner suitable for communication, interpretation or processing [cited from ISO 19650-1:2018(en), 3.3.1]
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
Construction Manager at Risk
Various key characteristics of CM@Risk include: there are separate contracts for design services and for construction services; the contract for construction services may be entered into at the same time
property
inherent or acquired feature of an item[SOURCE: BS ISO 6707-1:2017, 3.7.1.3] NOTE Examples include thermal efficiency, heat flow, sound reduction index and acoustic power level.PAS 14191:2020
Integrated Digital Delivery
History History’s Professor, Yuval Noah Harari, in his book Homo Sapiens reached a conclusion that humans developed an ability to transmit information about things that do not really exist (stories),
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
