Koh Brothers Eco Engineering Limited, through its subsidiary Koh Brothers Building & Civil Engineering Contractor, has secured a $999m (S$999m) contract in partnership with Penta-Ocean Construction Co., Ltd. The contract, awarded by Changi Airport Group, involves constructing intra-terminal tunnels for the upcoming Terminal 5 at Changi Airport. This project, expected to span over four years, will enhance passenger and baggage transfer efficiency across the terminal’s concourses.
The intra-terminal tunnels will include a series of sub-tunnels housing key infrastructure such as the Automated People Mover System and Baggage Handling System. Additionally, a Common Services Tunnel will support utilities like electrical power and water services. The project also includes a ventilation building and provisions for future underground infrastructure.
Paul Shin, CEO of Koh Brothers Eco, expressed gratitude for the opportunity, stating, “We are honoured by the trust placed in KBCE and Penta Ocean for this mega project by airport operator Changi Airport Group.” He highlighted the contract as a milestone in their commitment to Singapore’s transport infrastructure.
This contract boosts Koh Brothers Eco’s order book to over $1b (S$1b), with visibility extending to 2029. The joint venture with Penta-Ocean underscores a strategic partnership aimed at leveraging synergies and enhancing collaboration. Terminal 5, which broke ground on 14 May 2025, is designed to handle approximately 50 million passengers annually in its first phase, addressing growing travel demands.
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