The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
Contract
Appointment ISO 19650 introduce term Appointment to be used instead of the more generic term contract. This means one term can be used for both external contracts and internal work
Portable document format (PDF)
It’s a versatile file format developed by Adobe that allows people to easily present and exchange documents – regardless of the software, hardware, or operating systems used by anyone who

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
Risk management
Risk management provides an overview of using risk analysis as an organized method for identifying and measuring risks. How to effectively assemble and manage a project team and effectively assemble
Thermal insulation rating factor (Ci)
Ci Rating factor used for calculating theminimum required cable size for cables run in thermal insulation. See BS7671:2018 Table52.2.
Geographic Information System (GIS)
A geographic information system (GIS) is a framework for gathering, managing, and analyzing data. Rooted in the science of geography, GIS integrates many types of data. It analyzes spatial location
BS EN ISO 29481-2:2016
Building information models — Information delivery manual Part 2: Interaction framework

BIM Execution Plan (BEP)
The purpose of the BIM Execution Plan (BEP) is to clearly define the actions required of each member of the project team in order to successfully deliver the BIM workflows
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

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
Builders work in connection (BWIC)
Coordination of Builders work in connection to services i.e. openings in walls or floors for MEP Services It is anticipated that as a minimum, all builders work openings of 50x50mm

information container
ELI5-S1 BIM Basics E12_Information Container explained A persistent set of information retrievable from within a file, system, or application storage hierarchy. [1] named persistent set of information retrievable from within
Risk Register
means a risk register containing the risks associated with the timely delivery of information as may be identified in the Information Particulars and/or provided in accordance with the Information Standard.

volume
ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained a term defined by BS 1192:2007 means a spatial subdivision of a project to allow multiple people to work on Project Information
Openness
in relation to data and information – also linked to interoperability means that it is provided or made available in a format that can be accessed and used withoutrecourse to
System of systems
A system of systems is a collection of many different systems, each with its own characteristics. [1] System theory assumes that certain underlying concepts and principles are applicable to different
BS 7000-4:2013
Design management systemsPart 4: Guide to managing design in construction
Cyber-Physical Systems
Systems that include integrations of computation, networking, and physical processes with feedback loops where physical processes affect computations and vice versa4. An example of a Cyber-Physical System is a Digital
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
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.
Infrastructure
the structures that emphasize, organise and enable social functions. Individual units of infrastructure are known as assets. It is sometimes subcategorised into economic infrastructure, the networks of built assets that
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

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

How to Rotate Revit Families in Any Direction
Mastering 3-Axis Rotation: Transform Revit Face-Based Families with Tiltable Geometry
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

zone indicator
part of indicating equipment which visually indicates the zone of origin of a alarm of fire or faultwarning BS 4422 2005 Zone Indicator in Fire Alarm Systems The zone indicator
BS EN ISO 16739-1:2020
Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries Part 1: Data schema

Navigating Construction Projects with Incomplete Building Services Design: Real-world Solutions Wanted 🛠️
Here is my list of reasons why so often we have incomplete Building Services Design before the project starts construction: Incomplete Building Services Design (BSD) before the commencement of construction
Tier 2
In the construction industry, Tier 2 is a Contractor referred in ISO 19650 as the Appointed party with a sub-contract who provide goods or services directly to the Lead Appointed
Committee
This could be: a Technical Committee (TC), which develops standards in a certain sector or industry; a Subcommittee (SC), which addresses a specialized area within a TC; a Project Committee
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

Organisational Purpose
A sense of organisational purpose is an essential part of promoting organisational effectiveness, which motivates individuals to do work and create something or justify the existence of something. Cooperation
BS 8541-1:2012
Library objects for architecture, engineering and constructionPart 1: Identification and classification – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541, parts 1-6.
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
Residual Current Device (RCD)
AResidual Current Device (RCD) is amechanical switching device or association of devices intended to cause the opening of the contacts when the residual current* attains a given value under specified
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
BS EN ISO 21597-2:2020
Information container for linked document delivery. Exchange specification. Link types
Cost Led Procurement
A procurement method introduced by Constructing Excellence and the Cabinet Office intended to allow industry to use its experience and knowledge to develop innovative solutions through leveraging design, materials, subcontracting, direct labour
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
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).
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
Fixed Equipment
Equipment designed to be fastened to a support or other wise secured in a specific location.
Asset Information Requirements (AIR)
Term introduced by ISO 19650 set of standards is related to information required during the operation phase of an asset AIR define managerial, commercial and technical aspects of information production,

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,
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
Rated current
Value of current used for specification purposes,established for a specified set of operating conditions.
Resources
In the context of project management, the resources refer to optimizing the use of resources for successful project execution and the management of resources in the project. [1] Therefore, the
Business goals
Business goals drive organisational outcomes, helping to keep the focus on the company’s important short and long term priorities. The goals must be defined, understood, tracked, analysed, and measured to









