A provisional sum is an allowance in the contract for the cost of foreseeable necessary work including the supply of materials, without however having been fully described or detailed at the time of contract commencement. Facebook Twitter LinkedIn 26 March 2019|provisional item|section 4|section 4A|section 4A1|tendering Previous post Next post Related Posts What is the Final Account? 4 November 2019 What would you do next, after letting a contract? 12 September 2018 What is the role of a Quantity Surveyor and the main responsibilities? 18 March 2019