The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
identification
The “identification” is ISO 19650 term equivalent to PAS 1192 term ‘naming’
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
UK BIM Framework (roadmap)
UK BIM Framework roadmap! Almost three years have passed since the first BS EN ISO19650-1 standard was published.A lot of work has been done; some people are upset about the
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
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
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,
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
BS EN ISO 16739-1:2020
Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries Part 1: Data schema
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
Ground rating factor (Cc)
The rating factor Cc = 0.9 is applied to cable sizing calculations for cables installed in the ground (Installation Methods 70 to 73). See BS7671:2018,Appendix 4,Sections3,4 and 5.1.1.
Lead Appointed Party context of information exchange
ELI5-S2: BIM in Practice E5: Lead Appointing Party context of information exchange Understanding the Lead Appointed Party (T1) Context of Information Exchange in BIM Welcome to the fifth installment of
Management of the cyber-security threats in Common Data Environment
The increased reliance of the IT Technology Widely used cloud-based systems with file-sharing protocols have are the way of the future, but the use of such a platforms increase the
Z1
Z1 – That part of the earth fault loop impedance which comprises the impedance under earth fault conditions of the line conductor of the circuit under consideration.
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
Consumer Unit
Atype of single-phase board for the control and distribution of electrical energy, principally in domestic premises. In the ProDesign software,a consumer unit (CU) can be split into three sections,each with
collaboration
a deliberate approach to working together on an agreed common purpose within functional, organisational, geographic, or organisational boundaries. Collaboration often depends on a solid knowledge management culture to facilitate the exchange and
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
BS ISO 8000-2:2020
Data quality Part 2: Vocabulary ISO 8000 is an emerging technology standard for organizations that want to improve business processes and control operating costs throughout the product life cycle from
National BIM Standard
National BIM Standard (NBIMS) – United States Version 2 is sponsored by National Institute of Building Sciences (NIBS) under its BuildingSMART Alliance Council. [1] [1] The Massachusetts Port Authority, 2015.
graphical
The PAS1192 term has been replaced by ISO19650 term ‘geometrical’ Geometrical is more appropriate to describe spatial positioning and relationships
UK National Annex 2021 Discipline vs Role
The field ‘Role’ has been renamed ‘Discipline’ in the most recent edition of BS EN ISO-2 19650-2:2018 NA February 2021. The previously used role codes, derived from BS 1192:2007, had
ontology
An ontology is a set of rules that make it possible to link data on a semantic level. Means the unstructured, semi-structured data can be read and encoded by computers.
Contract Particulars
Contract Particulars refer to the document outlining the Framework Agreement’s specific core terms, which may include but are not limited to the Pricing Schedule, Authorised Officer, Contract Manager, Key Personnel,
The role of management in BIM implementation at a project and organisational level
Introduction While comparing the experience of working in smaller practices fulfilling the combined role of designer shared with BIM leadership position, and the experience of dedicated BIM management role within
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
geometrical
This is an ISO 19650 term which replaces the PAS1192 term “graphical”. Geometrical is more appropriate to describe spatial positioning and relationships
Virtual Design and Construction
Virtual Design and Construction (VDC) is the use of design models and project information to apply construction processes in a virtual environment to reduce time, cost, and ensure design intent.
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
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]
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
Fabrication Model
Digital Model(s) created from shop drawings to support fabrication and installation. Fabrication models are reviewed and approved by the A/E for conformance to design specifications.1 1 The Massachusetts Port Authority,
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
BS EN ISO 23386:2020
Building information modelling and other digital processes used in construction Methodology to describe, author and maintain properties in interconnected data dictionaries
metadata
ELI5-S1: BIM Basics E6: Metadata explained Understanding Metadata in Building Information Modeling (BIM) Metadata provides critical information about an item’s content, making it easier to locate and work with specific
Intermediate Event
An intermediate event is something that occurs between the beginning and end of a process. Triggers can be “caught” or “thrown” by intermediate events. [1] Symbol 1] Silver, B. (2009).
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
NWC
NWC is a cache file. “When you open a CAD file in Navisworks, by default, a corresponding cache file (NWC) is created, which contains all of the conversion details required
Integrated Workplace Management System
Integrated Workplace Management System. Such systems incorporate powerful database capabilities to capture enterprise-level functions and serve as decision support tools at all organizational levels and throughout the whole building lifecycle.
Overload rating (Ir)
Ir The adjusted overload rating of an overcurrent protective device, in Amperes.
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
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
Circuit Protective Conductor (CPC)
Acircuit protective conductor (CPC) connects exposed-conductive-parts* of equipment to themain earthing terminal. *Conductive part of equipment,which can be touched and which is not normally live,but which can become live when
Problem Solving Process
Understanding the Problem-Solving Process
Effective problem-solving is at the heart of success in any field. Drawing inspiration from the book “General Relativity for Babies” by Chris Ferrie, which simplifies complex topics into easy-to-understand concepts, I have created a straightforward guide to the problem-solving process.
Emergency Voice Communication System (EVCS)
What is an Emergency Voice Communication (EVC) system? An Emergency Voice Communication (EVC) system (also referred to as EVCS) is a fixed, monitored, two-way voice communication system that enables point-to-point
Document Naming Strategy
DOCUMENT NAMING STRATEGY All information in the PD Revit Template follows PROJECT DESIGN (IO) standards. the For one-page drawing naming strategy, please refer to free download E-5161 OnePage Naming Strategy
single source of truth
In AEC industry with reference to information systems management, the single source of truth refers to Common Data Environment (CDE) The single source of truth is a method of structuring
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)
Project Template_RVT_2024
Revit Electrical Project Template 2024 v24.1.1 Template For: Electrical Engineers, Bim Managers, Electrical Designers Setup: Typically 2–4 hours — quicker for experienced users. View Details Technical Details Released: Jul 24,
merge request
A merge request corresponds to the creation of one property and the deactivation of several properties. After validation of the merge request by the experts, the merged properties are deactivated.
Task Information Delivery Plan (TIDP)
schedule of information containers and delivery dates, for a specific task team [cited from ISO 19650-2:2018(en), 3.1.3.4] The Task Information Delivery Plan (TIDP) is defined by the ISO 19650 framework
