Revit Guides
Data Management
ELI5
TT system
A system having one point of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to earth electrodes electrically independent of the earth electrodes of the
TN system
A system having one or more points of the source of energy directly earthed, the exposedconductive-parts of the installation being connected to that point by protective conductors.
Thermal resistivity of the soil rating factor (Cs)
The rating factor Cs is applied to cable sizing calculations for cable installed in the ground. Its value varies according to the thermal resistivity of the soil in which the
Thermal insulation rating factor (Ci)
Ci Rating factor used for calculating theminimum required cable size for cables run in thermal insulation. See BS7671:2018 Table52.2.
Ambient temperature rating factor (Ca)
Ambient temperature rating factor used for calculating theminimum required cable size. For cables installed in air, values for this factor are given in BS7671:2018 Table4B1.For ground installations, values are given
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
The Centre for Digital Built Britain
The Centre for Digital Built Britain (CDBB) CDBB is a partnership between the University of Cambridge and The Department for Business, Energy and Industrial Strategy (BEIS). It is the custodian
The Gemini Principles
Purpose: Must have clear purpose Public good Must be used to deliver genuine public benefit in perpetuity Value creation Must enable value creation and performance improvement Insight Must provide determinable
TC 59
Technical Committee – Buildings and civil engineering works https://www.iso.org/committee/49070.html
Technical Committee (TC)
a Technical Committee (TC), which develops standards in a certain sector or industry; https://www.iso.org/glossary.html
taxonomy
A system for naming and organizing a set of words or phrases, into groups that share similar qualities, used for organising information and primarily intended for browsing. In BIM contexts
task team
The term, introduced by ISO 19650, describes a team of people working together on a specific task. task team might be an individual appointed party, and the appointed party might
Tier 2
In the construction industry, Tier 2 is a Contractor referred in ISO 19650 as the Appointed party with a sub-contract who provide goods or services directly to the Lead Appointed
Tier 3
In the construction industry, Tier 3 is a sub-contractor referred in ISO 19650 as the Appointed party and Task Team, with a sub-contract who provides goods or services directly to
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
tertiary power source
A Uninterruptible Power Supply (UPS) or standby generator connected to dedicated final circuits of the distribution infrastructure. Enhance the infrastructure resilience and can improve maintenance opportunities and business continuity for
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]
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
trigger event
a planned or unplanned event that changes an asset (3.2.8) or it’s status during its life cycle (3.2.10), which results in information exchange (3.3.7) [cited from ISO 19650-1:2018(en), 3.2.13]
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
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
third party
person or body that is recognized as being independent of the parties involved with the issues in question [1] Note 1 to entry: “Parties involved” are usually supplier (“first party”) and purchaser (“second party”). 1
Trigger Event
Trigger Events are the occurrences during the life of an asset that causes new or updated information to be required.There are two types of trigger event: Foreseen – planned for
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
tension between hope and ambiguity
term coined by Deloitte[1], it is a current situation where whilst businesses conceptually understand the significant changes that information Management (IM) and technology may bring, they have divergent agendas and
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
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
