One Bangkok Co Ltd - a joint venture between TCC Assets and Frasers Property - together with Concrete Products and Aggregate Co Ltd (CPAC) and their partners (KCS & Associates Co Ltd, Stonehenge Inter Plc, and Italian-Thai Development Corporation Limited) recently announced the completion of the largest raft (mat) foundation pouring in Southeast Asia for an office tower at One Bangkok, a new large-scale district development planned to open in 2023.

The work involved the coordination of 547 trucks, providing a total of 23,725 cu m of concrete. According to One Bangkok, the continuous foundation pouring took place over a 33 hour-and-15-minute period. The 4.5-m-thick raft foundation for the 170-m office tower – one of the first buildings to welcome tenants in 2023 – employed 2,200 t of reinforced steel, and the concrete used is a special low-heat material containing a high compressive strength of 600 kg/sq cm.

One Bangkok said to ensure minimal disruption to the surrounding community, dust control systems were installed around the site, plus air and noise pollution sensors were set up both within and outside the district.

The site and its surrounding area were also cleaned thoroughly, added One Bangkok, with the company prioritising sustainable initiatives and the community’s wellbeing during the process. These measures included complete wash bays for all vehicles before leaving the site, and the cleaning and sweeping of adjoining roads and footpaths.

The piling works on the project were completed in June 2019. One Bangkok is scheduled to open in 2023, with full completion in 2026. It will offer five premium grade-A office buildings, five luxury and lifestyle hotels, three luxury residential towers, four interconnected retail precincts, and art and cultural hubs.

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All images: One Bangkok