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Data Management
ELI5
Distributed Ledger Technology
Distributed Ledger Technology (DLT) is an encrypted and distributed database that serves as a register for storing records of transactions. At the core of DLT is a data model that
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
Project Information Manager
Responsible for extraction, review, coordination and reporting of data within the native and federated models as well as associated project databases throughout the project stages to ensure client and BEP
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]
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
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
Information Delivery Manual (IDM)
information delivery manual (IDM) Documentation that captures the business process and specifies in detail the information that a user performing a particular role is required to provide at a particular
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
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
Subject to Simultaneous Overload
Where circuits are grouped, there are two availablemethods of calculating the rating factor Cg to be applied: [BS7671:2018,Appendix 4,5.1.2:Equation 2] [BS7671:2018,Appendix 4,5.1.2:Equation 3,4]

HVO Fuel
Hydrotreated Vegetable Oil (HVO) is a renewable, diesel-type fuel made from vegetable oils and fats instead of crude oil.
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
ubiquitous access
The modern era of IT has turned to ubiquitous access to all organizations and users. The vision is to provide one “universal access,” i.e. access to all IT services, regardless
Appointed party
The appointed party term introduced in BS EN ISO 19650 it is meant to replace PAS 1192 term ‘Supplier’ Typically it means Tier 2 and below Contractors Who can become

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
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

CDE area
ELI5-S1: BIM Basics E5: CDE areas and states Area and section imply moving information from one place to another. This is not necessary in a CDE. It is the state
Spacial Asset
A spacial asset can be defined as a specific location such as a zone, boundary, area, floor or room with a known location and extents.For most businesses, spacial assets usually
Code of Conduct
Set of principles to be followed by people involved in ISO work, e.g. working within an international framework, upholding consensus, being ethical. https://www.iso.org/glossary.html
National Annex (NA)
With reference to BS EN ISO 19650 Framework, the working group could not conclude on international codification and standardised conventions. Hence Paul Shillcock and David Churcher, the lead authors, came
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
buildingSMART Data Dictionary
PD 19650‑0:2019 In short, the BuildingSMART Data Dictionary is a library for everything to do with the building. NumberName is an int key and string value that can be stored

Emergency Lighting Standards and Regulations
BS 5266‑1:2025 – whats changed? Status & scope. The new edition was published on 29th and came into effect on 31 October 2025, withdrawing BS 5266-1:2016. It is intended to be
vulnerability
weakness that can be exploited to cause harm [cited from ISO 19650-5:2020(en), 3.15]
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

BS EN ISO 31000:2018
Risk management guidelines ISO 31000 is an international standard first published in 2009, the current version published in 2018. The standard contains principles and guidelines for effective risk management. It
Basic protection
Protection against electric shock under fault-free conditions;use of barriers,placing out of reach,and so forth.
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
Project BIM Coordinator
Responsible, during the design stages, for executing, managing and running clash detection of the federated Project Information Model (PIM), and federating and QA reviewing the Asset Information Model (AIM) for
BS EN ISO 12006-3:2016
Building construction — Organization of information about construction works Part 3: Framework for object-oriented information
Text Annotation
Text annotations are a way for a modeller to provide additional information to a BPMN diagram reader. The text annotation object can be associated with a specific object on the
Stage 2 Maturity
BIM at Maturity Stage 2 according to the ISO 19650 Framework is “the use of a shared digital representation of a built asset to facilitate design, construction and operation workflows
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
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
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
diffusion
a process by which an innovation is communicated through certain channels over time among the members of a social system E.M. Rogers, Diffusion of Innovations, Free Press, New York, 1995.

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.
suitability
degree to which a product, system or information provides functions that meet stated and implied needs when used under specified conditions [cited from: ISO/IEC 25010:2011(en), 4.2.1, added word ‘information’] appropriateness
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
Resources Description Framework (RDF)
Resources Description Framework (RDF) major component of the semantic web as they provide a means for identifying resources with Namespace (NS)
information exchange
verb act of satisfying an information requirement (3.3.2) or part thereof [cited from ISO 19650-1:2018(en), 3.3.7]

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.
Tier 3
In the construction industry, Tier 3 is a sub-contractor referred in ISO 19650 as the Appointed party and Task Team, with a sub-contract who provides goods or services directly to
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.
Model Upload Workflow
3D models shall be synchronized with the central cloud model after daily work is done to ensure the rest of the project team are coordinating with the latest information. All
UML diagram
provides the data structure for data templates using objects, collections and relationships between them. The multiplicities in the UML diagram specify the range of allowablecardinality values, giving a specification of
information
reinterpretable representation of data in a formalized manner suitable for communication, interpretation or processing [cited from ISO 19650-1:2018(en), 3.3.1]
Value
What the customer wants from the process, and will pay for. [1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.









