EXPOWARISAN KONSORTIUM SDN BHD v JABATAN KERJA RAYA (SABAH)

wa-24carb-18-05-2025 High Court (Mahkamah Tinggi) 9 December 2025 • WA-24C(ARB)-18-05/2025 • 4 min read

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Parties (2)

Case Significance

Illustrates the limited grounds for curial intervention in an arbitral award under section 37 of the Arbitration Act 2005 and the principle of minimal curial intervention, distinguishing a genuine breach of natural justice or a break in the chain of reasoning from a disguised appeal that merely re-argues the merits and the weighing of evidence.

This High Court decision at Kuala Lumpur concerns an application to set aside an arbitral award in a construction dispute, brought by the contractor, Expowarisan Konsortium Sdn Bhd, in respect of an award concerning works for the Public Works Department of Sabah (Jabatan Kerja Raya, Sabah), under sections 37(1)(a)(iv), 37(1)(b)(ii) and 37(2)(b) of the Arbitration Act 2005. The applicant contended that the award should be set aside for breach of natural justice and excess of jurisdiction. It argued that the arbitrator had failed to consider an interpretation argument premised on a textual comparison of the bills of quantities between two contract packages, and that the award's reasoning disclosed a break in the chain of reasoning. It also argued that the arbitrator had exceeded jurisdiction by making findings on waiver and acquiescence that the parties had not pleaded. The court approached the application through the principle of minimal curial intervention and the finality of an arbitral award. It held that the arbitrator's observations about the absence of contemporaneous complaints were not free-standing legal findings of waiver but factual inferences drawn from the evidential matrix to resolve the pleaded question of contractual interpretation, so no jurisdictional excess arose. It further held that the complaints, properly understood, amounted in truth to a challenge to the merits of the award, a re-weighing of the evidence and of findings of fact, including the arbitrator's preference for expert evidence on the industry meaning of "erection" in construction contracts over a purely textual analysis, which the narrow setting-aside grounds do not permit. Finding neither a real breach of natural justice nor an excess of jurisdiction, the court declined to set the award aside. The judgment is a useful illustration of the limited grounds for curial intervention in an arbitral award and of the line between a genuine reasoning failure and a disguised appeal on the merits.

On what grounds was the award challenged?

Under sections 37(1)(a)(iv), 37(1)(b)(ii) and 37(2)(b) of the Arbitration Act 2005, the applicant alleged a breach of natural justice, that the arbitrator failed to consider an interpretation argument based on a comparison of the bills of quantities and that the reasoning had a break in its chain, and an excess of jurisdiction in making unpleaded findings on waiver and acquiescence.

Why did the court decline to set the award aside?

Applying minimal curial intervention, the court held the arbitrator's remarks on the absence of contemporaneous complaints were factual inferences, not unpleaded legal findings of waiver, and that the complaints in truth challenged the merits and the weighing of evidence, which the narrow setting-aside grounds do not permit.

Judgment

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Source: eJudgment (wa-24carb-18-05-2025)