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A bill of quantities is a document used in tendering in the construction industry in which materials, parts, and labor (and their costs) are itemized.It also (ideally) details the terms and conditions of the construction or repair contract and itemizes all work to enable a contractor to price the work for which he or she is bidding.
Quantity take-offs (QTO) are a detailed measurement of materials and labor needed to complete a construction project. They are developed by an estimator during the pre-construction phase. This process includes breaking the project down into smaller and more manageable units that are easier to measure or estimate.
A material take off (MTO) is the process of analyzing the drawings and determining all the materials required to accomplish the design. Thereafter, the material take off is used to create a bill of materials (BOM). Procurement and requisition are activities that occur after the bill of materials is complete, distinct from Inspection.
A Allocation of costs is the transfer of costs from one cost item to one or more other cost items. Allowance - a value in an estimate to cover the cost of known but not yet fully defined work. As-sold estimate - the estimate which matches the agreed items and price for the project scope. B Basis of estimate (BOE) - a document which describes the scope basis, pricing basis, methods ...
The new edition aligns CAWS with the Unified Classification for the Construction Industry which was published in 1997. The Common Arrangement is the authoritative UK classification of work sections for building work, for use in arranging project specifications and bills of quantities. Over 300 work sections are defined in detail to give:
Construction bidding is the process of submitting a proposal to undertake, or manage the undertaking of a construction project. The process starts with a cost estimate from blueprints and material take offs .
Tendering in the UK construction industry is traditionally based upon Bills of quantities in which the estimation of costs is based on the combined cost of materials, building plant and labour in the completed works. Edward Skoyles proposed a new form of tendering, operational bills in which such tendering was based around building tasks.
A bill of materials or product structure (sometimes bill of material, BOM or associated list) is a list of the raw materials, sub-assemblies, intermediate assemblies, sub-components, parts, and the quantities of each needed to manufacture an end product. A BOM may be used for communication between manufacturing partners or confined to a single ...