Quantity surveys are reports containing, broken down into sections, the list of items required to execute the works. Each of these items is called a "budget line", which includes a measurement unit, and a description of the materials and labour required for the works.
The cost plan is calculated by the quantity survey, adding to each budget line the corresponding unit price and amount.
Quantity surveys and cost plans are broken down into sections or groups of items related to a single criterion or construction stage ‒ such as structure, masonry, finishes, furniture, etc.
Deliverables
Precise quantity surveys or cost plans can only be obtained once all the project’s items have been adequately defined. When we offer an estimate, a total is calculated by adding provisional sums to each section before the complete documentation is ready and the budget lines are fully updated.
Objectives
Quantity surveys are used to calculate the project budget, primarily requesting market prices to contractors and comparing their quotes in the tendering process. This ensures that all costs refer to the same items and that they are an accurate reflection of the project’s specifications.
We may sometimes perform cost plan calculations with public price databases; hence the resulting estimate may not be a market price. This type of budget’s approximation is for reference only; to obtain a valid quotation, including market prices, we offer a consultancy service for tendering.
Stages
Feasibility study, Concept design, schematic design, construction documentation.