The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
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Data Management
ELI5
Point of Adoption
a moment in time where an organisation’s readiness, change into organisational capability/maturity Macro-BIM adoption: Conceptual structures Bilal Succar Mohamad Kassem Tweet The Point of Adoption (PoA) is not to be
EXPRESS specification
formal specification is provided in the EXPRESS language. BS EN ISO 23387:2020
Design-Bid-Build
A contract type There is a sequential award of two separate contracts; the first contract is for design services; the second contract is for construction; design and construction of the
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
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
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
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.
Project Information Requirements (PIR)
Project Information Requirements (PIR) its a BS EN ISO 19650 term introduced to replace the PAS 1192 term Plain language questions (PLQ) PLQ and PIR are both expressions of the
Integrated Workplace Management System
Integrated Workplace Management System. Such systems incorporate powerful database capabilities to capture enterprise-level functions and serve as decision support tools at all organizational levels and throughout the whole building lifecycle.
Back-up Protection
Circuit-breaker manufacturers publish tables showing combinations of pairs of circuitbreakers, one upstream,one downstream,where the downstream device can be used at a location where the prospective fault current (Ipf) is higher
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
interoperability
the ability of two or more systems* to exchange information and to use the information that has been exchanged. definition adapted from the one contained in ‘ISO/TS 27790:2009, Health informatics—
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
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.
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
BS 7000-4:2013
Design management systemsPart 4: Guide to managing design in construction
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
Information Protocol
The First Edition of the Building Information Model (BIM) Protocol published in 2013 identifies and puts into place specific obligations, liabilities and associated limitations on the use of the Building
BS 7799‑3:2017
Information security management systemsPart 3: Guidelines for information security risk management (revision of BS ISO/IEC 27005:2011)

The Level of and Progression Management systems
The ISO 19650 set of standards introduces a new term: ‘Level of information need’ which is designed to replace the terms used in BS EN 1192 such as Level of
Supplier
In the construction industry, ‘supplier’ refers to a provider of services or goods. The supplier can provide goods or services directly to the ultimate client or another supplier. The publication
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
Current-carrying capacity
Themaximum current which can be carried by a conductor under specified conditions (Installation method, temperature,grouping,etc.)without its steady-state temperature exceeding a specified value (for example,90 ºCfor cables with thermosetting insulation).
Enabling Tools
Tools that help design, develop, deliver, and maintain the built asset. You may require a number of different enabling tools for specific tasks and functions. https://www.thenbs.com/knowledge//periodic-table-of-bim
identification
The “identification” is ISO 19650 term equivalent to PAS 1192 term ‘naming’

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) =
smart building
The term “smart building” was originally introduced by the European Union in the Energy Performance of Buildings Directive (EPBD)[1] as one of the main enablers of the future of the built environment,
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
consensus
general agreement, characterized by the absence of sustained opposition to substantial issues by any important part of the concerned interests and by a process that involves seeking to take into
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,
Information delivery cycle
It is a term introduced first in PAS 1192 and updated in ISO 19650 framework, it depicts the process of specifying and delivery of project and asset information summarised in

Electrical & Mechanical Equipment Access and Maintenance
Electrical & Mechanical Equipment: Access & Maintenance (UK) “All controlgear shall be mounted so as to facilitate its operation and maintenance. Where a special tool is necessary to adjust, maintain,
Adiabatic
Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.
Distributed Ledger Technology
Distributed Ledger Technology (DLT) is an encrypted and distributed database that serves as a register for storing records of transactions. At the core of DLT is a data model that

How to Rotate Revit Families in Any Direction
Mastering 3-Axis Rotation: Transform Revit Face-Based Families with Tiltable Geometry
security breach
infraction or violation of security (3.7) [1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
Computer aided facility management (CAFM)
Originally coined in the 60s, The acronym has become a catch-all for a wide range of Facilities Management platforms and software. A CAFM system can be broadly defined as a collaborative,
Information Controller
Responsible for setup and management of the Common Data Environment (CDE), document submission, RFI and other project document transactions. [Appointment: Lead Appointed Party Information Controller, site-based/office based.] [source] PDE 4301
IDM standard
BS EN ISO 29481-1 Building information models – Information delivery manual (IDM) PD ISO/TS 12911:201
Heating, Ventilation and Air-Conditioning (HVAC)
Heating, Ventilation and Air-Conditioning (HVAC). All necessary heating, ventilation air-conditioning and specialty equipment, including air distribution ducts for supply, return, and ventilation and exhaust ducts, including control system, registers, diffusers,

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,
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
Pool
A pool is a graphical representation of a collaboration participant. A pool serves as a container for the sequence flows that occur between activities (of a contained process). The sequence
Unified Cloud Platform (UCP)
A unified cloud platform (UCP) has been introduced to facilitate the integration of multiple cloud services into a single cloud environment. The UCP is essentially a cloud management multi-platform that
Employer
Appointing party ISO 19650 term depends on where in the hierarchy the employer is located.The BS EN ISO 19650‑2 appointing party (A) is the equivalent of the PAS 1192‑2:2013 top‑level
BIMwash
The term BIMwash is derived from Whitewash, “a cheap white paint or coating of chalked lime used to quickly give a uniform clean appearance to a wide variety of surfaces”. Metaphorically, to
top management
person or group of people who directs and controls an organization at the highest level [cited from ISO 19650-5:2020(en), 3.14]

Updates to BS 7671:2018+A2:2022 – Summary for High Risk Buildings
Key Updates and Amendments Arc Fault Detection Devices (AFDDs) – Regulation 421.1.7 Amendment 2 (2022) Changes:BS 7671:2018+A2:2022 introduced mandatory AFDD requirements for single-phase AC final circuits supplying socket outlets with rated
BS 11000‑2:2017
Collaborative business relationship management systemsPart 2: Guide to implementing BS ISO 44001
