JXC Pte. Ltd. v Thye Chuan Engineering Construction Co. Pte Ltd.

Facts

MEOD Pte Ltd engaged Thye Chuan Engineering Construction Co Pte Ltd as main contractor on a construction project, and Thye Chuan engaged JXC Pte Ltd as sub-contractor. Their disputes went to arbitration before a sole arbitrator. Most claims and counterclaims failed. The arbitrator awarded Thye Chuan $71,575.65 for hiring others to complete the sub-contract works and $5,136 for a post-termination survey, and awarded JXC three sums totalling $47,808.20, leaving a net $28,903.45 in Thye Chuan's favour, with each side bearing its own legal costs.

The invoices behind Thye Chuan's two awards had been issued to MEOD, not to Thye Chuan. The arbitrator had invited further submissions on this, and JXC had objected throughout. She rejected each of Thye Chuan's own arguments but held that, because both sides had treated MEOD and Thye Chuan as interchangeable, MEOD's expenses were de facto Thye Chuan's losses. In Originating Application No 200 of 2026, JXC applied to set aside those parts of the award and the costs orders under s 48(1)(a)(vii) of the Arbitration Act 2001, saying the reasoning was unpleaded, unargued and unforeseeable.

Issues

1. Whether the arbitrator breached natural justice by deciding on a basis neither party had advanced
2. Whether, had there been a breach, the challenged parts should be remitted to the arbitrator rather than set aside

Holding

The High Court (Andre Maniam J) dismissed JXC's setting-aside application, including its challenge to the costs decision. The parties were to file costs submissions by 29 May 2026 if they could not agree on costs.

Reasoning

The court applied Soh Beng Tee & Co Pte Ltd v Fairmount Development Pte Ltd [2007] 3 SLR(R) 86: an arbitrator may take a middle path not urged by either party if it rests on the evidence and is not a dramatic departure from what was presented, and the applicant must show that a reasonable litigant could not have foreseen that kind of reasoning. A surprising outcome is not enough; the question is whether the parties had a fair chance to address issues they knew or should have known were in play.

Every building block of the arbitrator's reasoning came from the pleadings and evidence. JXC had itself amended its defence to plead that MEOD was closely related to Thye Chuan, shared its address, and that Thye Chuan had told it the two were the same. It made that amendment when adding a counterclaim for sand supply that relied on a request from an MEOD supervisor and a delivery order issued to MEOD, and the arbitrator allowed JXC $345 on that very basis. The reasoning against JXC was the same reasoning JXC had used for its own claim, so it was foreseeable. JXC had also cross-examined Thye Chuan's witness on the invoices and made closing submissions, further submissions and a rebuttal email on the point. As the costs challenge depended on the same complaint, it failed too.

The court added that, had there been a breach, it would have remitted the point rather than set aside, because it was a single stand-alone issue that the arbitrator had correctly identified, and nothing in her decision on termination would cause a fair-minded observer to doubt a fair process. The court also noted that further submissions sent after judgment was reserved, without leave, risk being disregarded.

From the judgment