FIDIC Variation Claims in FIDIC Contracts: Pricing, Time and Procedure Variations are a major source of disputes in construction projects. Understand how variations are priced, when you are entitled to time extensions and prolongation costs, and how to follow FIDIC procedures to protect your claims. 10 min read · Updated 25/04/2026 By Basel Al Najjar …
Tag: escalation and price adjustment variations
Apr 25
Variation Claims in FIDIC Contracts: Pricing, Time & Procedure | E-Basel
- By Basel Al Najjar in Project Management
-
April 25, 2026
- back-to-back subcontract variation pricing, change in quantity thresholds, constructive variation claims, contemporaneous records variation claims, contractor entitlement omitted scope, contractual basis for valuation hierarchy, currency fluctuation impact variations, daywork rates variation pricing, directed variation, dispute over variation valuation, disruption costs from variations, engineer adjustment powers, engineer determination valuation FIDIC, EOT due to variations, escalation and price adjustment variations, extension of time, fair valuation FIDIC Clause 12, FIDIC variation procedure, head office overhead variation claims, inefficiency claims variation works, interim payment certification variations, loss of profit on omitted work, negative variations pricing, new rates derivation variation, omitted work, partial omission and re-procurement risk, pricing preliminaries in variations, prolongation cost recovery variations, prolongation costs, quantity increase decrease pricing, quantum expert variation assessment, remeasurement vs lump sum variations, scope change cost evaluation, site overhead allocation prolongation, star rates vs contract rates variations, tax and VAT impact variation pricing UAE, valuation of omitted work FIDIC, variation approval process engineer, variation audit and verification, variation cost breakdown structure, variation impact on programme, variation instruction compliance, variation negotiation strategies construction, variation pricing, variation pricing risk allocation FIDIC, variation register management, variation valuation methods construction, variation vs change order distinction, written vs verbal variation orders
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Authority Bio
Basel Al Najjar
Civil Engineering Consultant · Accredited Expert Witness
Arbitrator · Senior Project Manager
Specialising in construction claims, FIDIC contracts, and dispute resolution across the UAE. Acting as Arbitrator, Tribunal Chairman, and Independent Expert in high-value, multi-party disputes.
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A one-page summary of critical notice deadlines across FIDIC Red, Yellow, and Silver Books. Free for subscribers.
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Select your contract edition and book, choose the relevant clause, then enter the date you became aware of the triggering event. All applicable notice deadlines will be calculated instantly.
The date you became aware, or should have become aware, of the event giving rise to the claim or notice obligation.
Key Notice Periods at a Glance
- 1999 editions — Cl. 20.1 Notice: 28 days · Detailed Claim: 42 days
- 2017 editions — Cl. 20.2 Notice: 28 days · Detailed Claim: 84 days
- Unforeseeable Conditions (Cl. 4.12): Notice as soon as practicable
- Defects Notification Period: 365 days from Taking-Over Certificate
"Time at Large removes the Employer's right to deduct liquidated damages — the consequences are severe and often irreversible."
Time at Large & the Prevention Principle in UAE Construction Contracts
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Request a confidential consultation with a UAE-accredited Expert Witness and Arbitrator.
Request a Consultation →Confidential · No obligation · UAE-based