The revitalization of the outdoor promenade at Mega Bangna required a design approach deeply respectful of the site’s existing structural constraints. Through intensive, multidisciplinary brainstorming, the design team envisioned a dynamic new public realm tailored to contemporary lifestyles. By strategically integrating landscape elements to generate a localized microclimate, the overarching goal was to maximize the “Comfort Zone.” Through the diverse application of water features and a carefully curated planting palette, this former transit space has been transformed into a compelling, highly functional sanctuary for relaxation.

The redesign began with a critical evaluation of the site’s previous iteration. The original landscape suffered from ambiguous circulation paths and overly dense vegetation, resulting in a heated atmosphere that ultimately deterred foot traffic. A major structural reality dictated the new vision: the entire promenade sits atop an existing parking structure. This imposed strict weight limitations, meaning that the placement of large, mature trees was restricted to existing structural load-bearing points. The design challenge was to solve these complex site constraints while crafting a fresh, engaging user experience.

Overcoming Engineering Hurdles, Water emerged as the primary connective element—a medium to bridge recreational activities with tranquil lounging zones. However, executing this vision posed a significant technical challenge. To respect the structural load limits, a Shallow Pool (10–17 cm depth) design was adopted. A serendipitous benefit of this shallow depth is that it visually conveys the dynamic movement of a flowing stream much more effectively than deep water.

This continuous aquatic ribbon dictates the spatial programming of the promenade, blending varying atmospheres through different water formats: Interactive elements, such as parabolic fountains and stepping stones, inject a sense of playfulness and energy serve as an active zones. As the stream meanders, the water’s pace slows, transitioning into tranquil areas act as a passive zones where suspended sofa swings hover just above the water’s surface, inviting visitors to sit and absorb the atmosphere.

Establishing a true “Comfort Zone” was paramount, especially given the site’s narrow footprint and limited natural sunlight. Vertical Water Curtains were introduced to visually connect the ground floor with the upper architectural levels. Beyond their aesthetic appeal, the mist generated by these falls creates an evaporative cooling effect, significantly mitigating the tropical heat in the lower areas.

Strategy The planting palette plays a crucial role in enhancing this comfortable microclimate: Silk Oak trees (Grevillea robusta) were specifically chosen for their light, open canopies. They provide gentle, dappled shade that softens the adjacent building’s heavy architectural mass without enclosing the space or making it feel cramped. Below the canopy, undulating planter mounds were meticulously calculated to specific heights. They offer a sense of privacy within the public realm while permitting natural breezes to flow freely. The planting strategy on these mounds—a close collaboration between landscape architects, nurserymen, and the client—relies exclusively on low-growing groundcovers. This deliberate choice highlights the topography’s fluid, curved forms and aids in soil moisture retention. The monochromatic green is punctuated by vibrant flowers and diverse leaf textures, adding delicate, close-up details that invite pedestrians to reconnect with nature.

Collaborators:

Architectural Design: FOS Co., Ltd
Interior Design: PIA Interior Co., Ltd
Lighting Consultant : LDS Lighting Design Space Co., Ltd
Water Specialist : S.Napa Co., Ltd
Project Consultant : Trusty Co., Ltd
Main Contractor : SMC Contractor Co., Ltd
Softscape Contractor :Ped Garden

Client/Owner: SF Development Co., Ltd

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