The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
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Data Management
ELI5
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
interaction framework schema
a formal description of the rules with which an interaction framework must comply[1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
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.
Digital Construction
The terminology such as digital built environment and smart asset management, often referred to as Digital Construction, encompasses multiple technologies and processes related to information or project management and the
Globally Unique Identifier (GUID)
globally unique identifier (GUID) its a unique object identifier that guarantees its uniqueness throughout its entire life unique, the identifier is usually generated using an algorithm a unique identifier generated

Digital Handover, O&M Records, and ISO 19650 Compliance
Here is a review and summary of digital handover requirements, O&M record management, and ISO 19650 application as outlined in CIBSE Guide M8 (2023) and Regulation 38, with new recommendations

LTF_Lighting-Fixture Circular
LTF_Lighting-Fixture_Luminaire-Circular vv22.1.1. Family For: Electrical Engineers, Bim Managers, Electrical Designers Setup: 10 – 30 minutes View Details ▼ Technical Details Released: Feb 9, 2025 Updated: Jul 5, 2025 Compatibility Notes:

CDE state
ELI5-S1: BIM Basics E5: CDE areas and states This term replaces the ‘CDE area’ PAS 1192 term, the idea is the location of the information (container) is not important but
Competent person
Aperson who possesses sufficient technical knowledge, relevant practical skills and experience for the nature of the electrical work undertaken and is able at all times to prevent danger and,where appropriate,

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
Unified Modelling Language (UML)
language to provide system (3.13) architects, software engineers, and software developers with toolsfor analysis, design, and implementation of software-based systems as well as for modelling businessand similar processesNote 1 to
Key Performance Indicator (KPI)
KPI is an abbreviation for key performance indicator, which is a quantifiable measure of performance over time for a specific goal. KPIs provide goals for teams to aim for, milestones
Industry Foundation Classes (IFC)
conceptual data schema and exchange file format for building information modelling (BIM) data BS EN ISO 23387:2020 In general, IFC, or “Industry Foundation Classes”, is a standardized, digital description of
Design Web Format
Design Web Format (DWF), created by Autodesk. DWF is a compressed, non-editable, vector file format created by CAD and BIM applications. A DWF file can represent sheets for plotting purposes
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
Responsibility matrix
a chart that describes the participation by various functions in completing tasks or deliverables [cited from ISO 19650-1:2018(en), 3.1.1] Responsibility matrix shall be developed to cover information management activities and
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
Pre-appointment BEP
Pre-appointment BEPs communicates the delivery team’s intended approach to the information management process in the project, it is submitted as part of the prospective Lead Appointed Party tender response. For
Lane
A lane is a sub-partition within a process (often within a pool) that runs the length of the process level, either vertically or horizontally. Lanes are frequently used for internal

Comparison of status codes between UK National Annex (NA) 2018 vs UK NA 2021
# BS EN ISO 19650-2 2018 BS EN ISO 19650-2 2018, NA 02/2021 # Status Code Suitability Action by Suitability Action by Information State (at any project stage): Work in
CDE gate
Transition [ISO19650] Transition is used to denote change (in the state of the information container)
Rating factors
Rating factors are divided into the nominal rating of the circuit protective device (In) to determine theminimum current-carrying capacity (Iz) of a cable in a circuit. For example:Iz = In/(Ca
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
Facility management (FM)
Facility management (FM) is an organizational function that integrates people and processes within the built environment to improve the functionality, comfort, safety, and efficiency of the core business.
Building Research Establishment Environmental Assessment Method (BREEAM)
It is a UK green building certification system, launched in 1990 by the Building Research Establishment (BRE), similar to LEED. Both systems confirm the level of the sustainability performance of
rationalise
In construction, to rationalise is to attempt to remove, explain or justify irrational quantities, processes or systems or else adjust unreasonable design decisions by employing logic or reason, (behaviour, attitude),

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) =
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

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
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.
Soil Thermal Resistivity
Relates to the ability of the soil, in which the cable is installed, to conduct heat energy away from the cable. The rating factor Cs is applied in cable sizing
Management of Sustainability in BIM
Introduction Sustainability in terms of Building Information Modelling (BIM) was defined as the sixth dimension of BIM by a large consulting firm as “what to do in terms of sustainability”[1]

Separation Gap for Primary and Secondary Life Safety Cable Trays Roof Installation)
UK electrical and fire safety standards do not prescribe a fixed minimum separation distance for roof-mounted life-safety cable trays. However, BS 7671, BS 8519, and BS 5839 collectively establish that life-safety circuits must be installed on dedicated containment and be either separated by barriers or adequately distanced to ensure circuit independence.
Voorwaarden scheppen voor Invoeren Standaardisatie ICT in de Infrastructuur-sector (VISI)
VISI acronym for Dutch standard for communication between partners in construction projects translates as Creating conditions for the implementation of ICT standardization for the construction industry [1] 1 Online Browsing
Specialist BIM Manager / Coordinator
The Specialist BIM Coordinator duties will reflect those for the Project BIM Coordinator but will be specific for discipline or trade-specific models and data deliverables. Responsible for checking, reviewing and

Information Interoperability
Information overload What makes construction management so challenging is the sheer amount of information available, the volume of the data means that we are often not able to extract or
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
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
Look Ahead Plan
A short interval plan, based on the pull/phase plan, that identifies all the activities to be performed in the next 6 (or other) weeks. The 6W Look-Ahead Schedule (LAS) is
Power factor
Power factor is the ratio of the resistance (R) and impedance (Z) in a circuit, that is:Power factor = cos ∅ =R/Z
capability
a measure of ability to perform and function [cited from ISO 19650-1:2018(en), 3.3.18]

Volume strategy
ELI5-S1: BIM Basics E10: Volume Strategy (spatial) explained Introduction Volume Strategy enables information management, spatial coordination, and concurrent engineering, ultimately fitting together like a complex 3D jigsaw puzzle, where each
Project setup
During project setup phase It is essential to establish and analyse a timeline that guides the entire team in delivering the project on time. Thus the prospective Lead Appointed Party

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
actor
person, organization or organizational unit involved in a construction process [cited from ISO 19650-1:2018(en), 3.2.1]

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
security
state of relative freedom from threat (3.13) or harm caused by deliberate, unwanted, hostile or malicious acts [cited from ISO 19650-5:2020(en), 3.7]
Additive manufacturing
Additive manufacturing (AM), also known as 3D printing, is the process of creating products by layering materials until a complete 3D object is created. The process can transform digital design
workflow
The term ‘workflow’ is used in ISO 19650 instead of the PAS 1192 term ‘process’.







