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Prolongation claims arise when a construction project extends beyond the original completion date, and the contractor seeks compensation for the additional time-related costs incurred. These costs can include site overheads, staff salaries, equipment hire, extended insurances, and other expenses directly linked to the extended duration of the works.

Such claims are typically made when delays are caused by factors outside the contractor’s control—such as late instructions, variations, delays in approvals, or disruptions linked to the employer or third parties. For a prolongation claim to succeed, the contractor must establish clear entitlement under the contract and provide detailed evidence of both the delay and the additional costs incurred.

Key components of a valid prolongation claim include:

• Demonstration of delay on the project’s critical path

• Proof that the delay was not caused by the contractor

• Accurate records of time-related costs incurred

• Causal link between the delay event and the extended costs

• Compliance with contract notice and claim procedures

Prolongation claims often involve close collaboration between delay analysts, quantity surveyors, and legal advisors. A well-prepared claim requires a forensic review of project schedules, site diaries, financial data, and contractual correspondence.

In regions like the UAE, where projects are governed by both bespoke and standard forms of contract (e.g., FIDIC), it is important to structure claims in line with both legal requirements and industry practices. Failure to comply with notice provisions or to substantiate the claim with proper records can significantly weaken the position.

Handled correctly, prolongation claims help contractors recover costs that would otherwise erode profitability, while also supporting transparent and fair project administration.