The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5
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.
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
racetrack
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
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
System of engagement
The System of Engagement is defined as a platform that manages supported digital engagement, of systems like Browsing, Web Chat, Messaging, videos (Facebook, WhatsApp, TEAMS, ZOOM, Signal, Slack, etc.), various
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
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
Ze
That part of the earth fault loop impedance which is external to the circuit under consideration. For the supply cable it will be the impedance external to the installation. For
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
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
Employer’s Information Requirements (EIR)
The PAS 1192 term Employer Information Requirements (EIR) has been replaced by Exchange Information Requirements (EIR) on projects where ISO 19650 standards are applicable. Employer’s information requirements (EIR) also use
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
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
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,
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
Construction Products Regulation (CPR)
Construction Products Regulation (CPR) https://ec.europa.eu/growth/sectors/construction/product-regulation_en#:~:text=The%20Construction%20Products%20Regulation%20(CPR,the%20performance%20of%20construction%20products.
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,
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
component
named and individually scheduled physical item and feature that might require management, such as inspection, maintenance, servicing or replacement, during the in-use phaseNote 1 to entry: Components can serve as
End Event
An end event denotes the point at which a process’s path will come to an end. End events can only result in a “throw” of a result.[1] Symbol 1] Silver,
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
Industrial Internet of Things (IIoT)
The industrial IoT (IIoT) forms an integral part of Industry 4.0, and smart manufacturing refers to interconnected sensors, and other input/output devices linked to manufacturing applications, supporting industrial automation and
Risk management
Risk management provides an overview of using risk analysis as an organized method for identifying and measuring risks. How to effectively assemble and manage a project team and effectively assemble
EXPRESS specification
formal specification is provided in the EXPRESS language. BS EN ISO 23387:2020
workflow management system
Workflow management systems allow organisations to identify and control activities associated with a business process. Effective workflow management offers the opportunity to measure and analyse the execution of the processes
cooperation
The interaction of individuals or task teams who work together to achieve a common goal, it demonstrates the ability to learn from each other. Cooperation forms a crucial attribute of
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
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
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
Shared context of information exchange
ELI5-S2: BIM in Practice E1: Shared context of information exchange Introducing the “ELI5-S2 BIM in Practice” Series! Welcome to the first post in our new series, “BIM in Practice,” where
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
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
Building Research Establishment Environmental Assessment Method (BREEAM)
It is a UK green building certification system, launched in 1990 by the Building Research Establishment (BRE), similar to LEED. Both systems confirm the level of the sustainability performance of
Contract
Appointment ISO 19650 introduce term Appointment to be used instead of the more generic term contract. This means one term can be used for both external contracts and internal work
System of systems
A system of systems is a collection of many different systems, each with its own characteristics. [1] System theory assumes that certain underlying concepts and principles are applicable to different
Digital twin
ELI5-S1 BIM Basics E19_Digital Twin “The digital twin is the virtual representation of a physical object or system across its life-cycle. It uses real-time data and other sources to enable
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.
data aggregation
Data aggregation refers to a process that involves gathering information and expressing it in summary form for statistical analysis or other purposes. In many cases, data aggregation is exclusively done
The Museum of the Future
Introduction The idea to connect 3D CAD models with construction programs (4th Dimension) was formulated in 1986-87 when Bechtel collaborated with Hitachi Ltd to develop the 4D visual model[1] The
Scope
Bid response should include a scope management plan containing all the tasks necessary for successful project delivery. The plan shall define the implementation and verification of workflows. A project should
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
exchange requirement (ER)
defined set of information units that needs to be exchanged to support a particular business requirementat a particular process phase (or phases)/stage (or stages) BS EN ISO 29481-1:2017
Sub-Process (Collapsed)
The diagram does not show the details of the sub-process. A “plus” sign in the shape’s lower-left corner indicates that the activity is a sub-process with a lower level of
Dimensionality
A dimension of space, such as width, height, or length. can be zero-dimensional (location point), one-dimensional (e.g. line, curve, path), two-dimensional (e.g. surface, face), or three-dimensional (e.g. surface, face) (e.g.
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
Facility management (FM)
Facility management (FM) is an organizational function that integrates people and processes within the built environment to improve the functionality, comfort, safety, and efficiency of the core business.
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
