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Ad Hoc Arbitration · Ad hoc UNCITRAL, seat Muscat

Duqm EPC Contractor Claim

Duqm Refinery Project Co. Document exchange: 28 Aug 20262,104 documents
Overview

Duqm Refinery Project Co. faces an EPC contractor claim for extensions of time, prolongation costs and disputed variation orders on a major refinery package. Ad hoc UNCITRAL arbitration seated in Muscat; discovery underway with document exchange scheduled for late August and quantum experts being appointed.

Claim value
USD 84M
Client
Duqm Refinery Project Co.
Opposing party
Hyundai Engineering & Petronor JV
Forum
Ad hoc UNCITRAL, seat Muscat
Next
Document exchange — 28 Aug 2026
Case strength
Moderate
AI assessment

Document exchange has been productive and concurrency defence is credible, but expert appointment and disclosure gaps are still open.

Needs workStrong
Contributing to strength
  • Concurrency defence is supported by neighbouring ICC precedent (2021).
  • Contractor's programme evidence has material gaps in critical-path substantiation.
  • Procedural orders at Muscat seat are consistent with our disclosure strategy.
Gaps to address
  • Quantum expert not yet formally appointed.
  • Employer instructions log for the disputed variation period incomplete.
  • Contractor has not produced daily records for the prolongation window.

Assessment based on chronology, witness statements, and evidence on file — directional guidance for the lawyer, not a predicted outcome.

Evidence documents

17 documents indexed from the case bundle. Each row is cross-referenced to the Chronology, Witness Comparator or expert workstream that relies on it.

AI-assisted content — all outputs require lawyer review before use.