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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.
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 ...
For instance, a bill of quantities is a list of all the materials (and other work such as amount of excavation) of a project which have sufficient detail to obtain a realistic cost, or rate per described item of work/material.
The Civil Engineering Standard Method of Measurement (commonly known as CESMM3) sets out a procedure for the preparation of a bill of quantities for civil engineering works, for pricing and for expression and measurement of quantities of work.
A commercial contract is an agreement containing all the work that should be performed for the construction of a commercial building or non-residential building. A skillfully constructed commercial contract can protect both parties' interests, minimize risks, and increase profitability for the contractor.
The contract documents also establish the Scope of Work (SOW). The standard method is to review and understand the design package and take off (or perform a quantity survey of) the project scope by itemizing it into line items with measured quantities. RSMeans refers to this as, "Scope out the project," and, "Quantify."
Variations are valued by the superintendent using rates or prices in the contract. Where the bill of quantities or schedule of rates is not a contract document the rates shall still apply. No percentage is added to or deducted from the rates, but variations of omission include profit but not overheads.
The NEC contracts now form a suite of contracts, with NEC being the brand name for the "family" of contracts. [16] When it was first launched in 1993, it was simply the "New Engineering Contract". This specific contract has been renamed the "Engineering and Construction Contract" which is the main contract used for any construction based project.