The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5

Restricted and Highly Restricted information
Info Below you can find a couple of sample notes intended to be copied and pasted to a transmittal when sharing Restricted and Highly Restricted information. Restricted Information This transmittal
Project Information Standards
Project Information standards shall be covered within the BIM Execution Plan (BEP). Standards In line with BIM Goals and Uses to ensure continuity that information containers are structured, coordinated, managed
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
BS 8536-2:2016
Briefing for design and constructionPart 2: Code of practice for asset management (Linear and geographical infrastructure)

coordination
Coordination goes beyond orderly task execution, it transforms individual perspectives into shared, community-wide actions. It’s not just a subset of collaboration; it’s the engine that makes collaboration more than a patchwork of solo efforts.
Federated Information Model
Computer science and IT In the fields of computer science and information technology, a federated information model refers to a structure where data is stored across multiple independent systems but can

Quality Control
Quality control indicates an operational activity within the process, while quality assurance focuses on constructing confidence that quality requirements will be met. Quality is incorporated into production and verified during
geometrical
This is an ISO 19650 term which replaces the PAS1192 term “graphical”. Geometrical is more appropriate to describe spatial positioning and relationships
Ecocide
In environmental justice, ecocide is the criminalised activity of substantially harming or destroying ecosystems in their entirety or by harming individual species. At time of writing, 10 countries have criminalised
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

metadata
ELI5-S1: BIM Basics E6: Metadata explained Understanding Metadata in Building Information Modeling (BIM) Metadata provides critical information about an item’s content, making it easier to locate and work with specific
Co-Location
Assembling the entire BIM design and construction team in a single location (“Co-location”) enables almost instant and direct communication and coordination among team members. This Co-location of all team members
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

PAS 1192 vs ISO 19650 terms
Quick reference guide In here you can find a quick reference guide with PAS1192 and ISO 19650 terminology comparison. PAS references (superseded) ISO References (current) Pre-contract BEP Pre-appointment BEP Post-contract

Please can you confirm if the life system system has to be lidded?
Please can you confirm if the life system system has to be lidded? There is no requirement for the life system to be lidded. A lid is effectively required
Ambient temperature rating factor (Ca)
Ambient temperature rating factor used for calculating theminimum required cable size. For cables installed in air, values for this factor are given in BS7671:2018 Table4B1.For ground installations, values are given
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
business process modelling notation (BPMN)
Business Process Modelling Notation (BPMN) is a flow chart method for modelling the steps of a planned business process from beginning to end. It is a critical component of Business
Final Circuit
A circuit connected directly to current-using equipment, or to a socket-outlets or other outlet points for the connection of such equipment.

BIM Stages
ELI5-S1:BIM Basics: E13_Understanding BIM Stages Understanding BIM Stages: Transitioning from BIM Levels to a Modern Framework In the world of Building Information Modeling (BIM), we often come across terms like
definition
representation of a concept by a descriptive statement which serves to differentiate it from related concepts Note 1 to entry: A definition may be expressed as natural language text (a textual
SMART Information requirements
The acronym SMART has been defined by the PAS 1192‑2: 2013 clause 5.1.3. the term means that Information req BS ISO 31000:2018 PAS 11922: 2013 clause 5.1.3 defines the acronym
Work stages
A division of standardised process and activities into named stages during the life of a system or facility. The process and activities extending from the definition of its requirements to
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.

Lead Appointed Party context of information exchange
ELI5-S2: BIM in Practice E5: Lead Appointing Party context of information exchange Understanding the Lead Appointed Party (T1) Context of Information Exchange in BIM Welcome to the fifth installment of
domain
area of activity covering a science, a technique, a material, etc.Note 1 to entry: A domain can be associated with a group to which the property […] applies. BS EN
BS 7000-10:2008
Design management systems Part 10: Vocabulary of terms used in design management
third party
person or body that is recognized as being independent of the parties involved with the issues in question [1] Note 1 to entry: “Parties involved” are usually supplier (“first party”) and purchaser (“second party”). 1
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.
Diversity
It is often not desirable to size each conductor in a distribution system to support the total connected load at that point in the network.Diversity is applied on the basis
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
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.
Plain Language Questions (PLQ)
The publication of ISO 19650 set of standards replaces use of PLQ and instead introduce the term with exchange information requirements (EIR) and project information requirements (PIR). Project information requirements
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
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

LTF_Lighting-Fixture Ring
Create unlimited lighting variations with parametric control.
The PD_LTF_Lighting-Fixture_Luminaire-Ring Family is a powerful, fully parametric Revit family that allows users to create limitless lighting fixture configurations.
Construction Products Regulation (CPR)
Construction Products Regulation (CPR) https://ec.europa.eu/growth/sectors/construction/product-regulation_en#:~:text=The%20Construction%20Products%20Regulation%20(CPR,the%20performance%20of%20construction%20products.
Global Trade Item Number (GTIN)
Global Trade Item Number (GTIN) identifier for trade items used to look up product information in a database GS1 [1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search

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
Fabrication Model
Digital Model(s) created from shop drawings to support fabrication and installation. Fabrication models are reviewed and approved by the A/E for conformance to design specifications.1 1 The Massachusetts Port Authority,

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
Master Information Delivery Plan (MIDP)
The Master Information Delivery Plan (MIDP) is the primary plan for the preparation of project information (from the supplier’s perspective), which is set out as being required in the Exchange
Nominal line voltage to earth (Uo)
Uo Nominal line voltage to earth. Assumed to be 230 V for grid connected systems.
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

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.
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

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
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
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

jet reaction
nozzle reactionforce acting in the opposite direction to the water stream leaving the nozzle BS 4422 2005 “Jet reaction,” also known as “nozzle reaction,” is a fundamental concept in fluid









