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ELI5

lead appointed party
The term introduced by ISO 19650 typically describes the Tier 1 Main Contractor. For example: : The Lead Appointed Party is a specific entity directly appointed (employed) by the primary
consensus
general agreement, characterized by the absence of sustained opposition to substantial issues by any important part of the concerned interests and by a process that involves seeking to take into
PAS1192-2_2015
The Publicly Available Specification (PAS) 1192 part two was published in February 2013; the specification was based on existing Code of practice BS 1192 dated 2007 amended in October 2015

LTF_Lighting-Fixture Circular
LTF_Lighting-Fixture_Luminaire-Circular vv22.1.1. Family For: Electrical Engineers, Bim Managers, Electrical Designers Setup: 10 – 30 minutes View Details ▼ Technical Details Released: Feb 9, 2025 Updated: Jul 5, 2025 Compatibility Notes:

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
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
Team’s Capability and Capacity
The competence and understanding of BIM, of the consultants and delivery team partners to be involved in the project, shall be assessed and results included in Post-Contract BEP. The assessment
pre-design process
construction process (3.3.2) determining construction properties (3.5.1) for the built environment (3.1.7) before it is designed[1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
Asset Information Model (AIM)
The Asset Information Model or AIM is a term used to define the set of information gathered from all sources that support the continuing management of an asset
naming
The term naming in PAS 1192 is related to information container naming strategy, in ISO 19650 the therm is replaced by term ‘identification’ meaning remains the same
Depth of lay rating Factor (Cd)
The rating factor Cd is applied to cable sizing calculations for cable installed in the ground. Its value varies according to the depth of lay installed. See BS7671:2018,Table4B4. Indicates the
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
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,
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),
life cycle
stages and activities spanning the life of the system from the definition of its requirements to thetermination of its use, covering its conception, development, operation, maintenance support and disposal NOTE

PUBLISHED
Information accepted by the nominated party, in which case it will be suitable for tender or construction (2D model output only). Such that the ‘Published’ area should be maintained in
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
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:
objective
results to be achieved The objective can be strategic or operational; it can relate to different disciplines such as financial, health and safety, or environmental. The targeted results can be
BIM Strategic Lead
Responsible for project strategic direction from the tender stage, guides project set up and advises on the project when needed. Typical Lead Appointed Party BIM staff duties include: Development of

Cutting Geometry with Nested Void Families in Revit
1. Generic Host in the Face-Based Family When you are in the face-based family, create void, and Cut the Generic Host This setup essentially simulates the cutting action within the
Facility Lifecycle
This refers to the time span stretching from a building’s conception to demolition including the five distinctive phases (Planning, Design, Construction, Operations, and Disposition).1 1 The Massachusetts Port Authority, 2015.

Organizational Information Requirements (OIR)
ELI5-S1: BIM Basics E7: OIR explained information requirements in relation to organizational objectives BS EN ISO 19650‑1:2018 (3.3.3)
data template
schema providing a data structure used to describe the properties of objects NOTE The relevant scope of the data template should be used together with the term “data template”. E.g.

Selectivity
Resolving Selectivity Issues in Electrical Design Free Trimble ProDesign Introduction Training Course Click the button below for more details: ProDesign Course Selectivity is achieved where,under overcurrent conditions, the protective device
Target Value Design
Target Value Designs (TVD) focus is on reducing the cost of a project without reducing the quality of the end product or extending the timetable. The team sets a cost
Design-Bid-Build
A contract type There is a sequential award of two separate contracts; the first contract is for design services; the second contract is for construction; design and construction of the
Furniture, Fixtures, Equipment (FFE)
Furniture, Fixtures, Equipment (FFE) a systems furniture layout within an asset

Quality Control
Quality control indicates an operational activity within the process, while quality assurance focuses on constructing confidence that quality requirements will be met. Quality is incorporated into production and verified during
Cable k2s2
k2s2 its an Energy withstand of cable in A2s. For example,a cable with a withstand of 12 x 104 A2s, can sustain without permanentdamage,a fault current of 1,000 A for

BIM and Lean Construction
Introduction The term referred to as Lean Construction aims to reduce overproduction, minimise handling, storage, transportation, or remove processes that do not add value. The Construction industry recognized the potential

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

Secondary Supply – diverse cable route
This guidance covers the routing of secondary supply cables from a life safety generator to the ATS (Automatic Transfer Switch), and the final equipment with reference to:
BS 7671:2018+A2:2022, specifically Section 560: Safety Services
BS 8519:2020, with emphasis on Clause 7 (Cable Routing) and Clause 11 (Cable Selection)
The goal: clarify requirements for the diverse cable routing and maintain circuit integrity under fire conditions for systems that support life safety and fire-fighting applications, such as sprinkler pumps, fire-fighting lifts, and smoke control systems.

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
BS 8541-3:2012
Library objects for architecture, engineering and construction Part 3: Shape and measurement – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541, parts 1-6.
BIM collaboration format (BCF)
BIM Collaboration Format (BCF) is an open file format that allows the addition of textual comments, screenshots, and other information on top of the IFC model layer for improved communication
Model Production Delivery Table (MPDT)
An MPDT its old PAS 1192 term, the MPDT defines who produces what, when and to what level of detail. The recent publication of ISO 19650 standards does not include
Role
BIM roles are not necessarily related to specialist positions. It should be viewed as a function that could be fulfilled by more than one person and allow the transfer of
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
graphical
The PAS1192 term has been replaced by ISO19650 term ‘geometrical’ Geometrical is more appropriate to describe spatial positioning and relationships
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

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
rationalise
In construction, to rationalise is to attempt to remove, explain or justify irrational quantities, processes or systems or else adjust unreasonable design decisions by employing logic or reason, (behaviour, attitude),
Set-Based Design
Set-Based Design commonly referred to as a set-based design innovation or set-based concurrent engineering. It is a product development approach where teams consider a wide range of design alternatives (a
Committee
This could be: a Technical Committee (TC), which develops standards in a certain sector or industry; a Subcommittee (SC), which addresses a specialized area within a TC; a Project Committee

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

digital construction campaign!
Thank you #willmottdixon team at our London Southbank University project for the #opportunity to participate in the #BIM & #digitalconstruction campaign! #LSBU #WDI, #WES, #team, #ConstructingPlainLanguage
Pool
A pool is a graphical representation of a collaboration participant. A pool serves as a container for the sequence flows that occur between activities (of a contained process). The sequence

coordination
Coordination goes beyond orderly task execution, it transforms individual perspectives into shared, community-wide actions. It’s not just a subset of collaboration; it’s the engine that makes collaboration more than a patchwork of solo efforts.
Voorwaarden scheppen voor Invoeren Standaardisatie ICT in de Infrastructuur-sector (VISI)
VISI acronym for Dutch standard for communication between partners in construction projects translates as Creating conditions for the implementation of ICT standardization for the construction industry [1] 1 Online Browsing









