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Data Management
ELI5
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
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
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
Nominal line voltage to earth (Uo)
Uo Nominal line voltage to earth. Assumed to be 230 V for grid connected systems.
Semi-enclosed fuse rating factor (Cf)
The rating factor Cf = 0.725 is applied to cable sizing calculations for any circuit protected by a semi-enclosed fuse to BS3036.
BIM Execution Plan (BEP)
The purpose of the BIM Execution Plan (BEP) is to clearly define the actions required of each member of the project team in order to successfully deliver the BIM workflows
enumerated type value
data type consisting of a set of named values called elements, members, enumeral, or enumerators ofthe type
Equipment Clearance
Equipment Clearance shall be modelled for use in interference management and maintenance access requirements. It is the minimum space adjacent to the equipment required to allow access for maintenance, installation
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.
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
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.
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
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
BS ISO 44001:2017
Collaborative business relationship management systems Requirements and framework
Intermediate Event (Link/Throwing) Gateway
A gateway is a device that controls the divergence and convergence of sequence flows in a process or choreography. As a result, it will determine path branching, forking, merging, and
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,
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
BS EN ISO 19650-3:2020
Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) – Information management using building information modelling Part 3: Operational phase of the assets
Integrated Digital Delivery
History History’s Professor, Yuval Noah Harari, in his book Homo Sapiens reached a conclusion that humans developed an ability to transmit information about things that do not really exist (stories),
zone indicator
part of indicating equipment which visually indicates the zone of origin of a alarm of fire or faultwarning BS 4422 2005 Zone Indicator in Fire Alarm Systems The zone indicator
Thomas Edison’s Pearl Street Station
Dynamos, Boilers, and the Costly Copper of Edison’s 1882 Pearl Street Station On September 4, 1882, Thomas Edison’s Pearl Street Station in New York City became the world’s first commercial
system
interacting objects organized to achieve one or more stated purpose [SOURCE: ISO/IEC/IEEE 15288:2015, 4.1.46, modified — The words “combination of” at the beginninghave been removed; “elements” has been replaced by
IDM standard
BS EN ISO 29481-1 Building information models – Information delivery manual (IDM) PD ISO/TS 12911:201
The importance of Information Requirements to a successful Asset Information Management (AIM) System
Introduction One of the challenges is the Appointing Party’s difficulties with the development of successful Operational Information Requirements in relation to asset management. Understanding the business challenges that define the
Organizational Drivers
The Organizational Driver is a term used to describe the initial component in the information exchange sequence. It represents the steps and actions involved in initiating the exchange process.
Built Environment
All forms of buildings (residential, industrial, commercial, hospitals, schools), all economic infrastructure (above and below ground) and the urban space and landscape between and around buildings and infrastructure3, as well
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
Basic protection
Protection against electric shock under fault-free conditions;use of barriers,placing out of reach,and so forth.
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) =
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]
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
Model View Definition (MVD)
One or more specific information exchange requirements may necessitate the need for a model view definition (MVD). A machine-readable representation of MVDs is required when using them in software development.
computer-aided design (CAD)
Computer-aided design (CAD) encompasses the use of computers (hardware) and software to assist in the design process. CAD software is frequently used by different types of engineers and designers. CAD
Common Data Environment (CDE)
ELI5-S1: BIM Basics E2: CDE Explained The purpose of using Common Data Environment (CDE) on a project is to provide the right person with the right information at the right
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
Tier 1
In the construction industry, Tier 1 is a Contractor referred in ISO 19650 as the Lead appointed party, who provide goods or services directly to the ultimate client. The Tier
Heating, Ventilation and Air-Conditioning (HVAC)
Heating, Ventilation and Air-Conditioning (HVAC). All necessary heating, ventilation air-conditioning and specialty equipment, including air distribution ducts for supply, return, and ventilation and exhaust ducts, including control system, registers, diffusers,
quantity
property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed by means of a number and a reference. for example a measure with
Quality Management and Standards
Most articles start with a definition of quality management and then dive deep into Quality Control (QC) and Quality Assurance (QA). In here I concentrate on the quality, value and
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
BS EN ISO 16757-2:2016
Data structures for electronic product catalogues for building services—Part 2: Geometry
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)
identification
The “identification” is ISO 19650 term equivalent to PAS 1192 term ‘naming’
major change
change that affects the meaning, function or intended useNOTE Definition applies to properties and groups of properties.PAS 14191:2020
BS ISO 44002:2019
Collaborative business relationship management systems Guidelines on the implementation of ISO 44001
Electric Vehicle Charging Points
Active charging points are fully wired and connected, ready-to-use charging points.
A passive charging point, on the other hand, is the infrastructure without the final charging unit installed.
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
Current carrying capacity of a cable (Iz)
Iz The current carrying capacity of a cable under the defined installation conditions. This is the effective rating of the cable after the relevant rating factors have been applied, i.e.,Ca,
PAS 14191:2020
Built environment – Management and operation of interconnected construction data dictionaries Specification
