The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
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
American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)
American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) is a professional organization that develops and promulgates system, measurement, and product engineering standards to the industry.1 1 The Massachusetts
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
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
Design current (Ib)
Design current or ‘Ib’ in Amperes.The level of current to be carried by a circuit in normal service.
record
document stating results achieved or providing evidence of activities performed [1] Note 1 to entry: Adapted from ISO 9000:2005, 3.7.6. 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).

Exchange Information Requirements (EIR)
The Exchange Information Requirements (EIR) term introduced by BS EN 19650 replaces the PAS 1192 term Employer Information Requirements (EIR) on all projects where BS EN ISO 19650 compliance is
Construction Manager at Risk
Various key characteristics of CM@Risk include: there are separate contracts for design services and for construction services; the contract for construction services may be entered into at the same time
blockchain
The blockchain is a transaction database shared by all nodes involved in the system based on the Bitcoin protocol. It is a data structure consisting of linked blocks (e.g. confirmed
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
Project delivery team
In respect of asset lifetime PAS 1192-2:2013, describes one project delivery team, the term is connected with word ‘contract’ meaning one or many companies or individuals employed either directly or
Prospective fault current (Ipf)
Prospective Fault Current (Ipf) is the value of overcurrent at a given point in a circuit resulting from a fault of negligible impedance between live conductors having a difference of
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.
plan of work
It is a project-specific “digitally checkable” framework set-up to ensure that the deliverables of all contributors are identified and appropriate to the decisions required at each work stage. The plan
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
Sequence Flow (Normal or Uncontrolled)
A sequence flow is used to show the order in which activities in a process or choreography will be performed.[1] Symbol 1] Silver, B. (2009). BPMN Method and Style: A
Level of model development
Level of model maturity [ISO*] *Term based on experience. does not form part of ISO
component
named and individually scheduled physical item and feature that might require management, such as inspection, maintenance, servicing or replacement, during the in-use phaseNote 1 to entry: Components can serve as
BS 7799‑3:2017
Information security management systemsPart 3: Guidelines for information security risk management (revision of BS ISO/IEC 27005:2011)

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
Activity
An identifiable chunk of work with recognized prerequisites to begin and a recognized State of Completion – or Conditions of Satisfaction. Another way to look at an activity – establish
carbon sink
A carbon sink is a natural or artificial reservoir that captures and stores morecarbon than it releases. Examples include forests, oceans, soil and potentially timber buildings. We need these reservoirs
Commissioning
A building has successfully gone through the commissioning process when its equipment and systems have been examined and tested to perform as designed, and its operators have been trained to
Device rating (In)
Circuit Protective Device rating,or ‘In’ in Amperes. If the overload setting can be adjusted, then the ‘adjusted rating’ is known as ‘Ir’.
Workspace
A collection of content libraries and supporting files that define and embody a BIM standard. A workspace includes BIM libraries such as wall types, standard steel shapes, furniture, HVAC fittings,

BIM Classification and Standardization Systems
Introduction There are companies in the construction industry which do not favour standardization; these companies benefit from revenue and profits from change orders (variations), inevitably resulting in claims increasing cost
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.
BS EN 17412‑1:2020
Building Information Modelling — Level of Information NeedPart 1: Concepts and principles
Gateway (Exclusive)
[XOR] When splitting, directs the sequence flow to one of the outgoing branches. When merging, it waits for one incoming branch to finish before starting the outgoing flow.[1] Symbol
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
Intermediate Event (Message/Throwing)
A message intermediate event can be used to both send and receive messages. The event marker must be filled when used to “throw” the message (see the upper figure on
Association
An association is used to link data and artefacts to flow objects. Non-flow objects, such as text and graphics, can be associated with flow objects and flow.[1] Symbol [1] Silver,
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
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
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
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:
model validation checklist
The example checklist consists of checks which assure quality within models and information, to eliminate errors and achieve desired project outcomes. Table 1 – Model Validation Checklist Check Definition Project

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
capability
a measure of ability to perform and function [cited from ISO 19650-1:2018(en), 3.3.18]

VADs
Guide to Visual Alarm Devices (VADs) in Fire Safety In high-noise workspaces or locations requiring hearing protection, Visual Alarm Devices (VADs) play a critical role in fire safety. They ensure
Adiabatic
Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.
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
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
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
Management of duplicates
The procedure to remove duplicate properties shall be carried out on the relevant attributes. The management of duplicates cannot be fully automated. BS EN ISO 23386:2020
top management
person or group of people who directs and controls an organization at the highest level [cited from ISO 19650-5:2020(en), 3.14]








