Located in a lotus-themed municipal park in Luohu District, Shenzhen, China. The Honghu Water Purification Plant is a key project for water pollution control in the city, which employs an advanced fully-buried water purification technology. We designed the restored surface landscape on top of the water purification facility, and the underground offices at the northern end.
Due to the importance of the park in the city, the project faced multiple claims from different aspects at the beginning of the design process. At the same time, the fully-buried water purification plant inevitably brought design challenges above the ground. Eventually, we went beyond engineering logic to create an aesthetically-pleasing and community-friendly public space.
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To restore the surface landscape on top of the water purification facility, it is critical to focus on the interface between engineering design and space design. We tried to achieve sufficient understanding and conduct necessary research about the technical logic and production process/logic behind the landscape design, and incorporate the spatial demands of different stakeholders in different stages, the site conditions and our own design ideas. On this basis, our design went beyond the engineering logic, to create an aesthetic and community-friendly public space and realize the project goals in terms of mixed-use functions, aesthetic pursuit, public education and diversified and multi-level experience.
To tackle the much-concerned water environment problems, the project functions as water pollution control, employs a leading fully-buried water purification technology and involves the restoration of surface landscape of about 3.24 ha. Vent shafts were transformed into installations with public experience, educational function, harmonizing with the ecological environment. The effluent treated is used to supplement the water in the ecological landscape of Honghu Park and Buji River. In the flood season, when the water level of Buji River reaches a certain height, the river water will flow into Honghu Lake where a flood storage area is formed to alleviate the water level rise. Jury Winner, Architecture+Landscape, Architizer A+Awards 2023 and Longlisted, Civic Building, Dezeen Awards 2022.
The combination of a park and an underground water purification plant in a high-density urban center is an example of complex land use and the communalization of engineering infrastructure. The visible above-grade part of the underground ventilation and fire control facilities, which were the focus of design. The original intention of buried facilities for "deindustrialization" was actually presented and brought into reality in another form.
We conducted some design research on and “element” extraction from the original spaces of the “pagodas, pavilions, gazebos and corridors” of Lingnan gardens, and transformed and expressed them with contemporary design languages and materials. Then we incorporated the cultural and natural characteristics based on the landscape and vegetation characteristics, and tried to dissolve the stereotype of the infrastructure resulting from overemphasized engineering features. We neither highlight nor cover up, but made the best out of the project conditions to achieve natural unity and harmony.
To attract people to the supporting buildings as the end of north, we not only added the functions of public education and science popularization on top of office function, such as creating a water purification exhibition hall in combination with the underground open garden; but also tried to create a distinctive public space and garden on ground level as the landscape highlight and the pre-function zone of the exhibition hall.
The project spanned four years from the beginning of the surface landscape design to its completion. Given the significant engineering and aesthetic challenges of such infrastructure projects, it was renamed as Shenzhen Lotus Water Culture Base. This project marks significant effort by the NODE team to combine park and underground water purification plant in a high-density urban center. A demonstration project of complex land use and the communalization of engineering infrastructure.
NODE Architecture & Urbanism (NODE) was established in 2004. As one of the most influential independent architectural design firms in South China, it has received extensive attention at home and abroad. Founded and led by Principal Architect, Doreen Heng LIU, NODE currently consists of about 20 architects and designers.
Based in Shenzhen and Hong Kong, LIU and her studio NODE have been conducting diversified architectural and urban design practices in the Pearl River Delta and wider region for years. With her design focuses on urban regeneration, infrastructure, and public space, LIU tries to re-investigate and re-examine the given conditions based on specific sites and issues. Through a series of critical and research-based design exercises, the studio explores and ultimately delivers different but superior architecture alternatives today.
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