O-NES TOWER

Bangkok, Thailand

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Other Projects by Thai Obayashi Design Company Limited

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STEM New Office

O-NES TOWER

Bangkok, Thailand

Firm

Thai Obayashi Design Company Limited

Type

Commercial › Office

STATUS

Built

YEAR

2022

SIZE

25,000 sqft - 100,000 sqft

BUDGET

Undisclosed

O-nes Tower is a project that meets the needs of both urbanites and users seeking green spaces and a good workplace environment. To meet these needs, the project's design integrates office, retail, and business center projects, transforming the space into a central gathering place for urbanites with a fully functional space. This allows the space to become a new user-friendly office, allowing for freely adaptable design. Connecting with the city's mass transit system draws people into a vibrant urban environment, allowing each user to express their own individual work style.

In 2021, Thai Obayashi faced a crucial challenge: relocating its headquarters. While environmental change was inevitable, the core objective was to uphold the company's "Contribution to a sustainable society" philosophy, preserving its culture and work styles. The original office, in Bangkok's quiet CBD with green spaces, sharply contrasted with the new, vibrant Nana location. This contextual shift posed a key architectural question: "How can we create a new office that aligns with the city's dynamics without abandoning our corporate philosophy?" This question became the foundation of the design.

The building dedicates 50% of its area to open, green space, returning urban greenery to the city. This design also mirrors the original office's green frontage. To enhance pedestrian access, the vehicle entrance leads underground, preventing it from cutting through the front green area. This large green space connects directly to the Mass Transit (BTS), actively encouraging public transport and reducing private car reliance. These features not only benefit occupants but also significantly enhance the quality of life for the surrounding urban community.

Traditionally, most Thai high-rise buildings use reinforced concrete, known for generating substantial pollution and waste. The design team pioneered a new approach by incorporating steel structures—a first for Thailand. Due to limitations, a purely steel structure was not feasible, leading to the "Hybrid Structure System." This innovative design utilizes a reinforced concrete core, with all other parts made of steel, offering increased flexibility crucial for completing the project within three years. This structural innovation contributed to the project receiving world-class environmental certifications.

Furthermore, designers envisioned a flexible, column-free interior, achieved through a "Free Column + Steel built-up girder Structure." This allows for a vast 20.20-meter usable area without internal columns, an unprecedented feature in typical Thai offices. This maximizes workspace efficiency. The prominent V-shaped columns serve as major structural elements, expanding the basement and opening the main lobby to abundant natural light. This design effectively draws lush outdoor greenery into the building, offering versatility for future space reconfigurations. This seamless integration extends to the rooftop garden, providing panoramic views of three major green spaces in Bangkok, blending the building's past and present contexts.

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O-NES TOWER

Bangkok, Thailand

Other Projects by Thai Obayashi Design Company Limited

STEM New Office

O-NES TOWER

Bangkok, Thailand

Product Spec Sheet

Collaborating Firms

Team