Category: Contracts & management
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
An extension of time is a formal increase in contract duration for events outside the contractor's responsibility, such as variations, late owner approvals or exceptional conditions.
Why it matters on a project
It is proven by analysing the event's effect on the critical path of the programme, not by stating that a delay happened.
Common mistake
Claiming time without tying it to the approved programme and the critical activities affected.
Frequently asked questions
What supports an extension claim?
A timely notice, site records and an analysis of the event's effect on the approved programme.
Does an extension mean money too?
Not always; some events give time only, others time and cost, depending on the contract.
Related terms
- Critical pathThe sequence of activities where any delay delays project completion.
- Baseline programmeThe programme approved at project start against which progress is measured.
- Delay damages (liquidated damages)An agreed sum deducted per day of delay after the contractual completion date, capped in the contract.
- Variation order (VO)A written instruction changing scope, quantity or specification, with its price and time effect.
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