A simple and efficient method of settling disputes, whereby an adjudicator uses his/her own knowledge and investigations, while weighing the

Application for Payment (AFP)

Refers to a request for interim payment, or complete payment, by a contractor or a subcontractor in the construction industry


A procedure whereby two parties in dispute agree to be bound by the decision of an independent third party (the

Architectural Concept

The architectural vision for the project, developed in RIBA Stage 2 (Concept Design), which may start as several options that


Definition A highly heat-resistant fibrous silicate mineral that can be woven into fabrics, and is used in brake linings and

Base Cost Estimate

An evolving estimate of known factors without any allowances for risk and uncertainty, or element of inflation. The base cost

Basis of Estimate

A document which describes the scope basis, pricing basis, methods, qualifications, assumptions, inclusions, and exclusions.


Horizontal beams or bars, usually made of timber, that are fixed to the rafters to support roof tiles or slates.

Bill of Labour

A list of labour required for the construction of a project or part of a project, which may include quantities.