The Ultimate BIM Knowledge Hub
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Revit Guides
Data Management
ELI5
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
engineer
a person who designs and superintends the carrying out of civil engineering works, structures of buildings, installation of services, or who maintains such civil engineering works, structures or services https://www.iso.org/obp/ui#iso:std:iso:6707:-2:ed-3:v1:en:term:3.8.25
NWD
NWD designates the published version of a Navisworks file with all loaded models, viewpoints, redlines, and comments saved to a single file. This file type can be opened with any
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
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
Business goals
Business goals drive organisational outcomes, helping to keep the focus on the company’s important short and long term priorities. The goals must be defined, understood, tracked, analysed, and measured to
Level of detail (LOD)
Level of detail (LOD) it is a term introduced by PAS 1192, used in relation with management of the progression and uses of information. Typically referred to geometrical information There
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,
Comparison of ISO 19650 Part 2 and 3
Workflow comparison First, I constructed an information exchange process diagram based on ISO 19650 Part 2 dedicated to the delivery phase of an asset lifecycle (project delivery). Next, I have
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
Master Schedule
The purpose of a project schedule is to define how the project should be delivered and maintained based on the available resources. The development of a timetable is the first
CDE gate
Transition [ISO19650] Transition is used to denote change (in the state of the information container)
Supplier
In the construction industry, ‘supplier’ refers to a provider of services or goods. The supplier can provide goods or services directly to the ultimate client or another supplier. The publication
Design Build
A contract type used in construction, typical characteristics: There is a single contract for design services and construction services; design and construction of the project may be in sequential phases
Model
An electronic, three-dimensional representation of built asset or facility elements with associated intelligentattribute data (“Facility Data”). A Model term used in PAS 1192 specification has been replaced by term ‘Information
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
Organisational maturity
a measure of an organisation’s readiness and capability expressed through its people, workflows, information, technologies and the reliable measurement procedures that are in place [source: Understanding Organizational Maturity
BS ISO 55002:2018
Asset management — Management systems Guidelines for the application of ISO 55001
Two Stage Open Book
A procurement method introduced by Constructing Excellence and the Cabinet Office where a client invites prospective integrated teams to bid for a project based on their ability to deliver an outline brief
Assignment matrix
Responsibility matrix [ISO19650] In ISO 19650 there is a principle to develop responsibility matrices to cover information management activities and information delivery. Responsibility matrix [PAS1192] The former is illustrated as
Sub-process
A sub-process is a group of activities that are performed as part of a larger process or choreography. It is compound in the sense that it can be broken down
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
Appointing party
Appointing party term introduced in BS EN ISO 19650 it is meant to replace PAS 1192 term ‘Employer’ ISO 19650 term depends on where in the hierarchy the employer is
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
BS 8536-2:2016
Briefing for design and constructionPart 2: Code of practice for asset management (Linear and geographical infrastructure)
BS 9999:2017
Fire safety in the design, management and use of buildings – Code of practice
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
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
Young Person
The term “Young Person” in the context of construction, Building Information Modeling (BIM), electrical engineering, or general engineering typically refers to a younger individual, often a recent graduate or entry-level
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,
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
Cable Ladder vs Perforated Cable Tray Selection Guide
Cable Ladder vs Perforated Cable Tray – Selection Guide (UK, 2025) Scope & references BS 7671:2018+A2:2022 and A3:2024 (selection & erection; installation reference methods; grouping). IET On‑Site Guide to BS
4D Modeling
4D Modelling also referred to as 4D BIM, when supported by existing planning techniques, can improve project delivery times and schedules. To make the gains possible, all project members must
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
Information delivery cycle
It is a term introduced first in PAS 1192 and updated in ISO 19650 framework, it depicts the process of specifying and delivery of project and asset information summarised in
Internet of Things (IoT)
This phrase refers to networked infrastructures that interconnect physical objects and allow for the management of the data they generate. A typical example of IoT is a home energy monitor
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
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
Power factor
Power factor is the ratio of the resistance (R) and impedance (Z) in a circuit, that is:Power factor = cos ∅ =R/Z
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).
deactivation request
A deactivation request corresponds to a modification of the property. After validating of the deactivation request by the experts, the value of the calculated status of the property changes to
Handover
After the project is completed, the Appointing Party expects to receive Asset Information Model (AIM) compliant with the Exchange Information Requirements (EIR). The aim is to support the life
BS EN ISO 19650-1:2018
Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) — Information management using building information modelling Part 1: Concepts and principles
risk appetite
amount and type of risk that an organization is willing to pursue or retain [cited from ISO 19650-5:2020(en), 3.5]
Conformity Assessment Committee (CASCO)
Committee whose secretariat is provided by ISO/CS that deals with conformity assessment and is responsible for the development of conformity assessment standards. https://www.iso.org/glossary.html
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
Appointee
UK BIM Alliance responding to the inconsistency between current guidance of CIC BIM Protocol, Second Edition 2018 and ISO 19650 Framework published updated Information protocol to support BS EN
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
Project Committee (PC)
a Project Committee (PC), which is created to develop one standard, after which it is disbanded. https://www.iso.org/glossary.html
