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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 surveying is a profession that deals with the costs and contracts of construction projects. A quantity surveyor is an expert in estimating the costs of materials, labor, and time needed for a project, as well as managing the financial and legal aspects of the project. A quantity surveyor can work for either the client or the contractor ...
A quantity surveyor (QS) is a construction industry professional with expert knowledge on construction costs and contracts.Qualified professional quantity surveyors can be known as Chartered Surveyors (Members and Fellows of RICS) in the UK and Certified Quantity Surveyors (a designation of the Australian Institute of Quantity Surveyors) in Australia and other countries.
This involves reviewing the project's plans and specifications to produce a take-off or quantity survey, which is a listing of all the materials and items of work required for a construction project by the construction documents. Together with prices for these components, the measured quantities are the basis for calculation of the direct cost.
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."
The Chartered Institution of Civil Engineering Surveyors or CICES is a professional association in the field of civil engineering surveying, headquartered in the United Kingdom. CICES members consist mainly of commercial managers, quantity surveyors , and geospatial engineers working and studying within civil engineering surveying.
This type of specification is a collaborative effort between a specification writer and a quantity surveyor. This approach is unusual in North America, where each bidder performs a quantity survey on the basis of both drawings and specifications.
With BIM quantity take-off can be conducted almost automatically given that the type of materials, their quantity and price is included in the model. [2] It is known that construction projects often run overtime and over budget and one of the reasons is lack of accuracy in quantity takeoff and estimates.