Case Details
- Citation: [2022] SGHC(A) 44
- Title: DIAMOND GLASS ENTERPRISE PTE. LTD. v ZHONG KAI CONSTRUCTION COMPANY PTE. LTD.
- Court: Appellate Division of the High Court of the Republic of Singapore
- Date of Judgment: 23 December 2022
- Judges: Woo Bih Li JAD, Quentin Loh JAD and Hoo Sheau Peng J
- Procedural History: Appeals arising from the High Court decision in Zhong Kai Construction Co Pte Ltd v Diamond Glass Enterprise Pte Ltd [2021] SGHC 277 (“the Judge’s decision”)
- Appeals:
- Civil Appeal No 125 of 2021 (“CA 125”): Diamond Glass Enterprise Pte Ltd v Zhong Kai Construction Co Pte Ltd
- Civil Appeal No 129 of 2021 (“CA 129”): Zhong Kai Construction Co Pte Ltd v Diamond Glass Enterprise Pte Ltd
- Underlying Suit: Suit No 1282 of 2019
- Parties:
- Plaintiff/Applicant (in Suit 1282/2019): Zhong Kai Construction Co Pte Ltd (“ZK”)
- Defendant/Respondent (in Suit 1282/2019): Diamond Glass Enterprise Pte Ltd (“DG”)
- Plaintiff in Counterclaim: DG
- Defendant in Counterclaim: ZK
- Legal Areas: Building and Construction Law; Damages; Liquidated damages; Scope of works; Variations; Building and Construction Industry Security of Payment Act
- Statutes Referenced: Building and Construction Industry Security of Payment Act (Cap 30B, 2006 Rev Ed) (“SOPA”)
- Key Prior Decisions Cited: [2010] SGHC 106; [2021] SGHC 277
- Length: 129 pages; 38,060 words
Summary
This decision of the Appellate Division of the High Court concerns a construction subcontract dispute arising from aluminium cladding and related façade works at Singapore Changi Airport. The subcontractor, Diamond Glass Enterprise Pte Ltd (“DG”), was engaged by Zhong Kai Construction Co Pte Ltd (“ZK”) under a Letter of Award dated 7 November 2016. The subcontract works were divided into Phase 1 and Phase 2A, and the contract contained provisions for completion dates and liquidated damages (“LD”) for delay.
Both parties appealed aspects of the High Court’s judgment. ZK sought LD for delays and replacement/rectification works after DG abandoned the worksite. DG, in turn, sought payment for certain variation orders, the retention sum, and other sums, and also challenged the adjudicated amount under the Building and Construction Industry Security of Payment Act (Cap 30B, 2006 Rev Ed) (“SOPA”). The Appellate Division allowed and dismissed different components of the parties’ claims, ultimately reducing the LD awarded to ZK for Phase 1, setting aside part of the replacement/rectification award, allowing some of ZK’s replacement/rectification claim, and granting DG’s counterclaims for specific variation and retention-related sums. The court also remitted the question of DG’s entitlement to legal costs associated with the SOPA adjudication back to the Judge for determination.
What Were the Facts of This Case?
ZK is a Singapore-incorporated company engaged in building and construction. DG is also incorporated in Singapore and is involved in the design, manufacture, supply, installation and maintenance of architectural glass. The project in question involved the construction of equipment buildings and facilities at Singapore Changi Airport. The owner was the Civil Aviation Authority of Singapore (“CAAS”), with Surbana Jurong Infrastructure Pte Ltd acting as consultant and SCB Building Construction Pte Ltd as the main contractor. ZK was a subcontractor to SCB, and ZK subcontracted certain façade-related works to DG.
By a Letter of Award dated 7 November 2016 (“the Subcontract”), ZK engaged DG to supply materials, equipment and tools and to carry out and complete aluminium cladding of an external façade, blast/ballistic doors and windows, aluminium doors, and window works. The Subcontract Sum was described as a provisional sum of $558,055 (excluding GST). Importantly, the works were divided into two phases: Phase 1 (works for an eight-storey Equipment Building) and Phase 2A (works for a two-storey Annex Building). This phase structure became central to the LD analysis because the parties’ completion dates and delay consequences were not uniform across phases.
In the High Court proceedings, ZK claimed LD for delays said to be attributable to DG. The LD claimed totalled $501,800, comprising $383,400 for Phase 1 works and $118,400 for Phase 2A works. ZK also claimed $340,233.10 for replacement and rectification works, alleging that DG abandoned the worksite around 6 June 2018 and that replacement/rectification works were required as a result. In addition, ZK sought to overturn the adjudicated amount awarded to DG in a SOPA adjudication determination issued on 15 November 2019 (“the AD”).
DG resisted these claims and counterclaimed. DG’s counterclaims included: (a) payments due under four variation orders (DV0006 (“VO 6”), DV0008 (“VO 8”), DV00018 (“VO 18”), DV00019 (“VO 19”)) amounting to $65,849.45; (b) the retention sum of $27,902.75; (c) the remainder of the Subcontract sum (after accounting for payments received and disputed VO and retention amounts); and (d) legal costs associated with the SOPA adjudication. The High Court allowed some LD and some replacement/rectification claims in part, while disallowing other LD and some counterclaims. The Appellate Division then revisited these issues on appeal.
What Were the Key Legal Issues?
The appeals raised several interrelated issues typical of construction litigation: (1) whether ZK was entitled to LD for the relevant period and phase, including the correct contractual completion dates; (2) whether DG’s delays (if any) were the cause of the relevant delay periods; and (3) whether ZK could claim LD for periods following termination or repudiation of the Subcontract.
In addition, the court had to determine the scope and entitlement for replacement and rectification works, including whether the items claimed were properly recoverable and whether the High Court’s quantification was correct. On the SOPA front, DG sought to uphold the adjudicated outcome to the extent favourable to it, while ZK sought to set aside or overturn the adjudicated amount. Finally, DG’s counterclaims required the court to assess entitlement to variation order payments and the retention sum, as well as the quantum and basis for legal costs associated with the adjudication.
How Did the Court Analyse the Issues?
The Appellate Division’s analysis began with the contractual framework. The court focused on the Subcontract’s provisions governing completion dates and LD. A central question was whether the completion dates in clause 6 or clause 4 applied to the relevant works and delay calculations. Because the works were divided into Phase 1 and Phase 2A, the court’s approach required careful attention to how the contract allocated time obligations and how those obligations operated in practice. The court’s reasoning reflects a common construction-law theme: LD is contractual and must be tied to the correct contractual milestones and completion dates, rather than to general notions of delay.
Next, the court examined whether ZK should have been awarded LD for Phase 1 for the period following the termination of the Subcontract. This required the court to consider the legal effect of termination/repudiation on the operation of LD clauses. In construction disputes, LD clauses often continue to operate until completion, but where the subcontractor abandons the work or the contract is terminated, the question becomes whether LD can still be claimed for periods after termination, and if so, on what basis. The court’s analysis therefore involved both contractual interpretation and the practical causation link between the alleged delay and the contractual breach.
The court also addressed causation and attribution of delay. ZK alleged multiple purported periods of delay. DG disputed that the delays were caused by DG, arguing instead that delays were attributable to ZK and/or events further up the contractual chain. The analysis required the court to identify which delay periods were actually caused by DG’s conduct and which were caused by other factors, such as approvals, changes in specifications, or payment disputes. This causation inquiry is crucial because LD is not a penalty substitute for proof of breach and causation; it is a pre-agreed measure of damages that still depends on the contractual breach being the cause of the relevant delay.
On replacement and rectification works, the court considered the High Court’s itemised approach. ZK claimed replacement and rectification works in the sum of $340,233.10, and the High Court allowed only $197,501.49. The Appellate Division revisited specific items (referred to in the judgment as items within a table) and determined which items were properly recoverable. The court’s approach demonstrates the importance of evidential and contractual linkage: replacement and rectification claims must be tied to the subcontractor’s abandonment or defective performance, and the claimed scope must fall within what was actually required to remedy the consequences of the breach.
For DG’s counterclaims, the court analysed entitlement to variation order payments and the retention sum. The High Court allowed DG’s counterclaim for VO 18 but disallowed VO 6, VO 8 and VO 19, and dismissed the retention sum claim. On appeal, the Appellate Division allowed DG’s appeals for VO 6, VO 8 and the retention sum, while also addressing the quantum and basis for these amounts. This part of the decision underscores that variation entitlement depends on the contractual mechanism for variations, the proper issuance and approval of variation orders, and the subcontractor’s compliance with the procedural requirements for claiming payment.
Finally, the court dealt with DG’s entitlement to legal costs associated with the SOPA adjudication. While the High Court had dismissed or limited aspects of DG’s costs position, the Appellate Division remitted the question of DG’s entitlement to legal costs for the adjudication, including quantum, back to the Judge. This indicates that costs in SOPA-related litigation can be fact-sensitive and may depend on how the adjudication and subsequent proceedings were conducted, including the interplay between adjudication determinations and the court’s final findings.
What Was the Outcome?
The Appellate Division allowed and dismissed various components of the parties’ cross-appeals. In CA 125, DG’s appeal against the LD awarded to ZK for Phase 1 was allowed in part: the LD of $356,400 was reduced by $165,600 to $190,800. The court also allowed DG’s appeal against the award of $5,906.40 to ZK for replacement and rectification works, setting that award aside.
In CA 129, ZK’s appeal against the dismissal of its claim for $27,735.47 for replacement and rectification works was allowed, and ZK was awarded that sum. The court also allowed DG’s counterclaims for VO 6 ($32,602.50), VO 8 ($13,185) and the retention sum ($27,902.75). The question of DG’s entitlement to legal costs for the SOPA adjudication was remitted to the Judge for determination. The court further ordered consequential set-off arrangements and dealt with security paid into court to stay winding-up proceedings pending the outcome of the appeals.
Why Does This Case Matter?
This case is significant for practitioners because it illustrates how Singapore courts approach LD claims in subcontract disputes where the works are phased and where termination or abandonment complicates the delay analysis. The decision reinforces that LD must be anchored to the correct contractual completion dates and that courts will scrutinise causation carefully, including whether delay periods are attributable to the subcontractor or to other causes in the contractual chain.
It also matters for SOPA-related litigation strategy. While SOPA adjudication determinations are designed to be fast and interim in nature, parties may still seek to overturn adjudicated amounts in court. This case shows that such challenges are not automatic; they depend on the substantive merits of the underlying contractual entitlements and the court’s assessment of the evidence and contractual provisions. The remittal on legal costs further highlights that costs outcomes in SOPA contexts may require additional judicial evaluation.
Finally, the decision provides practical guidance on variation orders and retention sums. The Appellate Division’s willingness to allow DG’s counterclaims for specific variation orders and the retention sum indicates that courts will enforce contractual payment mechanisms where the procedural and substantive requirements are satisfied. For law students and litigators, the case is a useful study in how courts handle itemised construction claims, set-off calculations, and the interaction between adjudication and subsequent court proceedings.
Legislation Referenced
- Building and Construction Industry Security of Payment Act (Cap 30B, 2006 Rev Ed) (“SOPA”)
Cases Cited
- [2010] SGHC 106
- [2021] SGHC 277
Source Documents
This article analyses [2022] SGHCA 44 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.