Final Project Brief
The initial project brief amended so that it is aligned with RIBA Stage 2 (Concept Design) and any briefing decisions
Final Specifications
The specifications issued at RIBA Stage 4 (Technical Design). These specifications can be descriptive or prescriptive.
Flashing
Materials, usually metal or lead, used to prevent water penetration at joints or intersections, such as around chimneys, vents, and
Formal Cost Plan
The elemental cost plan that is reported to the client on completion of a specific RIBA Stage or OGC Gateway.
Formal Cost Plan Stage
The point at which the quantity surveyor/cost manager formally submits an elemental cost plan to the client for consideration. The
Functional Unit
A unit of measurement used to represent the prime use of a building or part of a building (e.g. per
Functional Unit Method
A rough budget-setting technique that consists of selecting a suitable standard functional unit of use for the project and multiplying
Gross External Floor Area (GEFA) – IPMS 1 Measurement
The total external floor area measured in accordance with IPMS 1 (external) as per the applicable International Property Measurement Standards.
Gross Internal Floor Area (GIFA) or Internal Area – IPMS 2 Measurement
The total internal floor area measured in accordance with IPMS 2 (internal) as per the applicable International Property Measurement Standards.
Group Element
The main headings used to describe the facets of an elemental cost plan.
