The bill of quantities which can be ready by the quantity surveyor is designed mainly as a tendering document. Each contractor tendering for the project is able to value the operate on specifically the exact same information and facts with a minimum of work. This therefore avoids duplication in quantifying the operate, and allows for the fairest form of competitors. The bill of quantities also offers a worthwhile aid to the pricing of variations and computation of valuations for interim certificates.

The bill of quantities delivers a good basis for cost arranging and, if prepared in annotated kind, will aid inside the locational identification from the function.

The bill of quantities commonly incorporates several sections which include preliminaries, preambles or descriptions of supplies and workmanship, as well as the measured functions. The preliminaries define the scope and nature from the perform, contain details on the contract circumstances, list of drawings and any special directions towards the contractor on pricing.

Prime expense sums will probably be inserted within the bill of quantities for function to be carried out by nominated subcontractors and statutory authorities or for goods to be supplied by nominated suppliers, and for which estimates or tenders have normally been obtained. Provisional sums cover operate for which specifics haven't been finalised or for which costs are unknown at the time of preparing the bill.

It can be crucial that all drawings, schedules and specification particulars needs to be checked and actions taken to make sure that all cross references are appropriate. The quantity surveyor when measuring the operate will be continually checking all particulars, including cross references, and will prepare a query list for the architect covering the omission of important information, discrepancies and ambiguities. This offers the architect together with the opportunity to clarify these points and amend the documentation prior to tender stage. It can be also advisable to check the adequacy of prime expense and provisional sums, make sure that no data is outstanding from consultants, that the quantity surveyor has all the newest information and facts and incorporates it inside the bill of quantities, and that all consents have been received plus the situations complied with.