“…Zhao et al (2022) averred that variations were actual conditions rather than expected conditions contained in a contract. To Sanchez-Garrido et al (2022) and Haile (2022), variation can be defined as an alteration or modification of a design, quality of works, as shown in the contract drawings, bill of quantities (Tiew et al, 2022) and specifications and includes the addition, omission, or substitution of any works or (Alkhalifah et al, 2023) the modification of the original scope, execution time, or cost of work. Variation can also be a modification to contractual guidance provided to the contractor by the client or agents working on his behalf (Duguay et al, 2023;Smith et al, 2023;Alkhalifah et al, 2023).…”