The Ultimate BIM Knowledge Hub
Your one-stop resource for BIM electrical.
Revit Guides
Data Management
ELI5

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
Level of model development
Level of model maturity [ISO*] *Term based on experience. does not form part of ISO
Nominal line voltage to earth (Uo)
Uo Nominal line voltage to earth. Assumed to be 230 V for grid connected systems.

BS EN ISO 9001:2015
Quality management systems Requirements ISO 9001 is a set of quality management principles defined by various criteria and standards. It outlines the importance of defining a quality management system (QMS)
BS 8536-2:2016
Briefing for design and constructionPart 2: Code of practice for asset management (Linear and geographical infrastructure)

Terminology and UK Contract Law
The use of terms such as Lead Appointed Party, Appointed Party and Task Team in lieu of terms: employer, supplier, contractor and subcontractor, require clarification to become legally binding. The
Integrated Project Delivery
Integrated Project Delivery (IPD) is a collaboration of all parties, systems and practices to optimize and maximize project success. Defined by the American Institute of Architects, IPD is typically applied
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,
Contractor’s proposals (CP)
Contractor’s proposals (CP) in AEC industry refer to documentation prepared by tenderers for design and build projects or on a traditional contract where the bidder is to design specific parts
Periodic Model Quality Control Checks
Apart from the weekly model coordination effort that focuses on spatial coordination and clash resolution, the Appointment BIM Manager should review all disciplines project models and ensure compliance with BEP
identification
The “identification” is ISO 19650 term equivalent to PAS 1192 term ‘naming’

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) =
specialization relation
relation between kinds of things that relates two concepts whereby the subtype concept is a more specific concept than the supertype concept and has all the aspects that define the
Furniture, Fixtures, Equipment (FFE)
Furniture, Fixtures, Equipment (FFE) a systems furniture layout within an asset
Ambient temperature
The temperature of the free air surrounding a cable,or in the case of cables installed in the ground, the temperature of the surrounding soil.For an enclosed method such as ‘In

x-ref
The term “X-ref” is commonly used as an abbreviation for “External Reference” in various technical and engineering fields, including construction, Building Information Modeling (BIM), and computer-aided design (CAD). Here’s a
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
BS 8541-4:2012
Library objects for architecture, engineering and construction Part 4: Attributes for specification and assessment – Code of practice Note: ISO 22014 and ISO 22057 are under development tosupersede BS 8541,
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.
Competent person
Aperson who possesses sufficient technical knowledge, relevant practical skills and experience for the nature of the electrical work undertaken and is able at all times to prevent danger and,where appropriate,
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
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
Architecture, Engineering, Construction and Operation (AECO)
Architecture, Engineering, Construction and Operation usually expressed as acronym AECO is an extension of the Architecture, Engineering, Construction (AEC). Both terms are related to the entire built environment, not just
Waste
The opposite of value. There are eight basic types of waste: motion waiting transportation of goods over-processing under utilization overproduction inventory defects [1] [1] The Massachusetts Port Authority, 2015. BIM
Lean Project Delivery System
An organized implementation of Lean Principles and Tools combined to allow a team to operate in unison.[1] [1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.
BS EN ISO 29481-1:2017
Building information models – Information delivery manual Part 1: Methodology and format

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.

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

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
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
Certification
Assurance given by an independent certification body (ISO does not perform certification) that a product, service or system meets the requirements of a standard. https://www.iso.org/glossary.html

The Level of and Progression Management systems
The ISO 19650 set of standards introduces a new term: ‘Level of information need’ which is designed to replace the terms used in BS EN 1192 such as Level of

Wiring in Protected Escape Route
Compliance with fire safety regulations in Firefighting Cores directly affects life safety and emergency response. This guide will help you meet the latest fire performance standards.
Adiabatic
Adiabatic checks are required to determine whether conductorsmight be damaged by the thermal effects resulting from the level of calculated fault conditions.
Master Schedule
The purpose of a project schedule is to define how the project should be delivered and maintained based on the available resources. The development of a timetable is the first
Industry Foundation Classes (IFC)
conceptual data schema and exchange file format for building information modelling (BIM) data BS EN ISO 23387:2020 In general, IFC, or “Industry Foundation Classes”, is a standardized, digital description of
Harmonic
The presence of harmonic content in the line conductors of a three-phase and neutral circuit can give rise to excessive levels of load current in the neutral conductor.
ISO/TS 12911:2012
Framework for building information modelling (BIM) guidance STANDARDS BY ISO/TC 59/SC 13
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

BIM Levels
The transition from the BIM Levels to the concepts in the ISO 19650 series and the UK BIM Framework represents a shift in how we think about BIM maturity. However,

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
Fault
Acircuit condition in which current flows through an abnormal or unintended path. The fault current may flow from line to line (phase fault) or line to earth (earth fault).

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.
SMART Information requirements
The acronym SMART has been defined by the PAS 1192‑2: 2013 clause 5.1.3. the term means that Information req BS ISO 31000:2018 PAS 11922: 2013 clause 5.1.3 defines the acronym
Start Event
A start event specifies where a process will begin. Start events can only react when a trigger is “caught.” Symbol 9). BPMN Method and Style: A levels-based methodology for BPM
security breach
infraction or violation of security (3.7) [1] 1 Online Browsing Platform (OBP) [WWW Document], n.d. URL https://www.iso.org/obp/ui#search (accessed 4.10.21).
Lean construction
Lean Construction is the method of project management aiming to reduce waste on a project and improving the efficiency and quality of produced work [1]. The aim to reduce overproduction,
