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Please can you explain what 'with quantities', 'without quantities' and 'approximate quantities' mean?

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Published on LexisPSL on 07/08/2014

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  • Please can you explain what 'with quantities', 'without quantities' and 'approximate quantities' mean?

Please can you explain what 'with quantities', 'without quantities' and 'approximate quantities' mean?

It is common to come across the phrases 'with quantities', 'without quantities' and 'approximate quantities' in relation to construction contracts. These terms relate to the way that the works have been priced. For example, the JCT Standard Building Contract is published in With Quantities, Without Quantities and Approximate Quantities versions. Which description is correct (and therefore which form of contract is appropriate if using the JCT Standard Building Contract) will depend on whether or not there is an accurate bill of quantities available at the outset.

Where the contract is described as being 'with quantities' it means that the employer provides the contractor with a detailed bill of quantities, ie a list which defines the quantity and quality of the work required (usually together with drawings). This list is prepared by the quantity surveyor and is provided to the contractor as part of the tender documents. The contractor can then price each item in the bill of

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