The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
Post-contract BEP
This PAS 1192 term has been superseded by ISO 19650 term Post-appointment BEP. It is a BIM Execution Plan (BEP) which shall be re-submitted by the Lead Appointed Party and
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
Data Object
Data objects provide information about the activities that must be performed and/or the results that they produce. Elements of data objects must be contained within process or sub-process elements. Data
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
agent
…’An agent is just something that acts (agent comes from the Latin agree, to do). Of course, all computer programs do something, but computer agents are expected to do more:
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
Conditions of Satisfaction
An explicit description by a Customer of all the actual requirements that must be satisfied by the Performer in order for the Customer to feel that he or she received
Open Data
The Open Data Institute (ODI) defines open data as information that is licensed for anyone to use for any purpose at no cost. Open data can be accessed, used and

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
Basic protection
Protection against electric shock under fault-free conditions;use of barriers,placing out of reach,and so forth.
Lean Project Delivery System
An organized implementation of Lean Principles and Tools combined to allow a team to operate in unison.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.
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
Delivery team
In ISO 19650 the Delivery team term replaces the term ‘ Project Delivery team’ the meaning meant to remain the same, but the change puts the client (Appointing Party) outside
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,
Circuit protective device (CPD)
A fuse or circuit-breaker providing overload and fault current protection.
BS 11000‑2:2017
Collaborative business relationship management systemsPart 2: Guide to implementing BS ISO 44001

SPD Protection Device Ratings for Main Switchboards
SPD Protection Device Ratings for UK Main Switchboards: A Practical Guide Based on extensive research of UK standards, manufacturer specifications, and industry practices, here are practical “rule of thumb” protection
BS EN 17412‑1:2020
Building Information Modelling — Level of Information NeedPart 1: Concepts and principles
Clash Detection
Clash detection, coordination analysis and data checks shall be carried out by the BIM Coordinators against the latest shared models. The workflows involve a combination of visual and automated checks
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

Arc Fault Detection Devices (AFDDs)
Arc Fault Detection Devices (AFDDs) in the UK: Technical Requirements and Implementation Executive Summary Arc Fault Detection Devices (AFDDs) represent a significant advancement in electrical fire safety. This whitepaper provides
Lessons learned
Although BS EN ISO 19650-2: 2018 recommend that lessons learned should be captured throughout the entire project, the standard is dedicated for the delivery phase only. Hence project party can
Overload rating (Ir)
Ir The adjusted overload rating of an overcurrent protective device, in Amperes.

Insurance Backed Alliancing projects under the IPI model
Introduction Martin Davis member of the New Models of Construction Procurement (NMCP) Working Group and the Integrated Project Insurance (IPI) mentor describes the Integrated Project Insurance model (IPI) coupled up
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

CPR Cable Classification Guide
Since July 2017, all power, control and communication cables permanently installed in buildings must comply with the Construction Products Regulation (CPR).
This guide is your reference for navigating Euroclass ratings, selecting compliant products.
BS EN ISO 14004:2016
Environmental management systems General guidelines on implementation

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 9999:2017
Fire safety in the design, management and use of buildings – Code of practice

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

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
Waste
The opposite of value. There are eight basic types of waste: motion waiting transportation of goods over-processing under utilization overproduction inventory defects [1] [1] The Massachusetts Port Authority, 2015. BIM
Insurance Backed Alliancing
A new procurement method coupled up with Integrated Project Insurance model (IPI) is a framework which encourages and empowers project teams to work together. The procurement method introduced by Constructing Excellence
minor change
change that does not affect the meaning, function or intended use NOTE 1 Definition applies to properties and groups of properties.NOTE 2 Examples of this type of change are new
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).
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

BIM Functions
ELI5-S1 BIM Basics E17_BIM Functions Understanding BIM Functions: A Simple Guide for Beginners Building Information Modeling (BIM) is transforming the construction industry by enabling better collaboration, design precision, and efficient
cost plan
statement showing an apportionment of an estimate (3.7.9) or of an agreed budget between cost (3.7.1) headingsNote 1 to entry: For example, the cost plan might be broken down into building elements. [1] 1 Online Browsing Platform (OBP)

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,
Design current (Ib)
Design current or ‘Ib’ in Amperes.The level of current to be carried by a circuit in normal service.
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
tertiary power source
A Uninterruptible Power Supply (UPS) or standby generator connected to dedicated final circuits of the distribution infrastructure. Enhance the infrastructure resilience and can improve maintenance opportunities and business continuity for

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
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
framework
structure of processes and specifications designed to support the accomplishment of a specific task[ISO/IEEE 11073-10201:2004, definition 3.22] PD ISO/TS 12911:2012
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
Group
Because a group is not an activity or a flow object, it cannot connect to sequence or message flows. Furthermore, groups are not constrained by pool and lane restrictions. [1]
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
Nominal line voltage to earth (Uo)
Uo Nominal line voltage to earth. Assumed to be 230 V for grid connected systems.
