The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
Technical Committee (TC)
a Technical Committee (TC), which develops standards in a certain sector or industry; https://www.iso.org/glossary.html
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
PAS 1192-7
The latest message related to PAS 1192-7 is a tweet from Paul Surin is that PAS1192-7 confirming that CPNI and BSI have agreed to cease the development of PAS 1192-7.
Required Standard
means the level of skill and care applicable to the Party’s equivalent obligation under the Appointment. [1] [1] UK BIM Framework, 2020. Information protocol to support BS EN ISO 19650-2
systems thinking
System thinking is an approach to integration based on the idea that each component or part of a system acts differently when isolated from its environment and other parts of
Electrical Abbreviations & Acronyms Reference
Electrical Abbreviations & Acronyms Reference This table contains 377 commonly used electrical abbreviations and acronyms, covering everything from current ratings and protection devices to power systems and components.It’s designed to
BIM Use
A Use Case is a description of an intended use of the BIM, along with a description of the type(s) of data that must be in the BIM in order
BS EN ISO 21597-2:2020
Information container for linked document delivery. Exchange specification. Link types
data
ELI5-S1 BIM Basics E18_data Understanding Data in BIM: The Foundation of Smart Asset Management When we think about Building Information Modeling (BIM), it’s easy to get lost in the complexity
Current carrying capacity of a cable (Iz)
Iz The current carrying capacity of a cable under the defined installation conditions. This is the effective rating of the cable after the relevant rating factors have been applied, i.e.,Ca,
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.
BS 8541-2:2011
Library objects for architecture, engineering and construction Part 2: Recommended 2D symbols of building elements for use in building information modelling Note: ISO 22014 and ISO 22057 are under development
Facility Data
The non-graphical information attached to objects in the Model that defines various characteristics of the object. Facility Data can include properties such as parametric values that drive physical sizes, material
Project Information Manager
Responsible for extraction, review, coordination and reporting of data within the native and federated models as well as associated project databases throughout the project stages to ensure client and BEP
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.
Force Relinquish
Tip of the Day (TOD): How to Relinquish Locked Revit Models If you’ve ever been frustrated by locked Revit model elements when a team member is unavailable to relinquish them,
actor
person, organization or organizational unit involved in a construction process [cited from ISO 19650-1:2018(en), 3.2.1]
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
Level of information (LOI)
The term used in relation to management of the progression and uses of information. There is general confusion with the use of the term, due to range of other interrelated
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
Gateway (Parallel)
[And] When used to split the sequence flow, all outgoing branches are activated at the same time. When parallel branches are merged, it waits for all incoming branches to complete
Workset
A workset is a collection of elements in a work shared Revit project. The purpose of worksets is to enable multiple users to work on the same project and facilitate
workflow management system
Workflow management systems allow organisations to identify and control activities associated with a business process. Effective workflow management offers the opportunity to measure and analyse the execution of the processes
Quality Management and Standards
Most articles start with a definition of quality management and then dive deep into Quality Control (QC) and Quality Assurance (QA). In here I concentrate on the quality, value and
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.
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
BS ISO 55002:2018
Asset management — Management systems Guidelines for the application of ISO 55001
pre-design process
construction process (3.3.2) determining construction properties (3.5.1) for the built environment (3.1.7) before it is designed[1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
BS ISO 44002:2019
Collaborative business relationship management systems Guidelines on the implementation of ISO 44001
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
BIM collaboration format (BCF)
BIM Collaboration Format (BCF) is an open file format that allows the addition of textual comments, screenshots, and other information on top of the IFC model layer for improved communication
Rated current
Value of current used for specification purposes,established for a specified set of operating conditions.
geometrical
This is an ISO 19650 term which replaces the PAS1192 term “graphical”. Geometrical is more appropriate to describe spatial positioning and relationships
k Factor
Factors for conductor materials from BS7671:2018,Table43.1. Different values are given for different types of conductor and insulatingmaterials. k2s2 used in adiabatic calculations gives the short-time withstand of a conductor in
Sensitive Information
ELI5-S1 BIM Basics E16_Sensitive Information information, the loss, misuse or modification of which, or unauthorized access to, could:(a) adversely affect the privacy, welfare or safety of an individual or individuals;(b)
expert
person who, through knowledge or experience, has competence to give an opinion in the fields about which he/she is consulted[SOURCE: ISO 13302:2003, 3.10, modified — The domain “” has been
Appointed Party context of information exchange
ELI5-S2: BIM in Practice E6: Appointed Party context of information exchange Understanding the Appointed Party (T2-T4) Context of Information Exchange in BIM Welcome to the final instalment of our ELI5-S2
Gateway (Inclusive)
[Or] When a branch splits, one or more branches are activated. Before merging, all active incoming branches must be completed.[1] Symbol 1] Silver, B. (2009). BPMN Method and Style: A
BS EN ISO 14004:2016
Environmental management systems General guidelines on implementation
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
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
Design current (Ib)
Design current or ‘Ib’ in Amperes.The level of current to be carried by a circuit in normal service.
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,
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
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
Circuit protective device (CPD)
A fuse or circuit-breaker providing overload and fault current protection.
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
BS EN ISO 12006-2:2020
Building construction – Organization of information about construction works Part 2: Framework for classification
Emergency Lighting Standards and Regulations
BS 5266‑1:2025 – whats changed? Status & scope. The new edition was published on 29th and came into effect on 31 October 2025, withdrawing BS 5266-1:2016. It is intended to be
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
