RuggedWest — British Columbia Court of Appeal denies leave to challenge arbitration interest award

Case
RuggedWest Contracting Ltd. v Jayen Homes Ltd.
Court
Court of Appeal for British Columbia (Canada)
Judge
Butler
Date Decided
September 29, 2026
Citation
2026 BCCA 392
Topics
Arbitration, Construction Contracts, Quantum Meruit, Interest

Background

Jayen Homes Ltd. retained RuggedWest Contracting Ltd. under three fixed-price subcontracts worth approximately $10 million for civil works on a residential development in Surrey, British Columbia. After their relationship deteriorated, the parties entered into an amended and restated binding term sheet. RuggedWest terminated the contracts in January 2024 after Jayen withheld payment on outstanding invoices, and the dispute proceeded to arbitration.

The arbitrator found that Jayen owed RuggedWest approximately $2.3 million for completed work and characterized RuggedWest’s recovery as contractual quantum meruit. In a supplementary award, the arbitrator declined to apply the term sheet’s 59.99% contractual interest rate, instead awarding simple interest at 8% annually from January 5, 2024, until payment. RuggedWest sought leave to appeal, arguing that the arbitrator mischaracterized its claim, improperly exercised discretion under s. 51 of British Columbia’s Arbitration Act, and wrongly concluded that the contractual interest provision did not survive termination.

The Court’s Holding

Justice Butler, sitting in chambers, dismissed the application for leave to appeal. The application was timely because the supplementary award both interpreted the earlier partial award and corrected the amount awarded, so the 30-day period under s. 60(1) ran from receipt of the supplementary award.

Nevertheless, the proposed appeal concerning contractual quantum meruit raised a question of mixed law and fact, not an extricable question of law. The arbitrator’s conclusion depended on interpreting the parties’ particular agreement in light of the breakdown of their relationship, their conduct, the pleadings, and how RuggedWest presented its claim. Because leave under s. 59 is available only for questions of law, the Court lacked a basis to grant it.

The challenges concerning s. 51 and the survival of the contractual interest rate also could not proceed. The s. 51 argument depended entirely on overturning the arbitrator’s quantum meruit characterization, while the survival issue was itself a fact-specific question of contractual interpretation and would matter only if RuggedWest first succeeded on the quantum meruit issue.

Key Takeaways

  • A challenge to an arbitrator’s contract interpretation ordinarily raises a question of mixed law and fact and will not support leave to appeal absent an extricable legal error.
  • A supplementary award that interprets or corrects an earlier award may restart the 30-day appeal period, even when the proposed appeal concerns an issue unaffected by the correction.
  • An interest-rate challenge cannot be separated from an unappealable underlying finding when the arbitrator’s authority to select the rate depends on that finding.

Why It Matters

The decision reinforces the narrow scope of judicial review of commercial arbitration awards in British Columbia. Recasting disagreement with a fact-specific contractual interpretation as an alleged legal error will not create an appealable question of law.

It also clarifies the timing consequences of corrected and interpreted awards: the appeal period runs from the award “as it is” after correction or interpretation, although a later award dealing only with an additional matter such as costs or interest generally does not extend the deadline for challenging the merits.

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