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In the architectural design of the innovative production facility,we sought to integrate the project with the surrounding countryside.The most representative elements of the design are the administrative building and the biodigesters,which form the technological core of the system. The former features a structure derived from the overlapping of elliptical shapes,which define both its exterior and interior form.The connection between the different levels is provided by a helical staircase, enclosed within a volume of the same geometric shape and topped by a large elliptical skylight.The reference is to the circular economy,expressed here in a more complex form, to emphasize that we have moved from the mere declaration of principles to their actual implementation—which is inevitably more intricate.
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The project covers a significant overall area, and every effort was made to minimize the visual impact of the large structures through the use of natural materials. The administrative and reception buildings are clad in wooden slats: for the former, three different color tones were chosen—just as nature presents itself, without chromatic uniformity—while for the latter, dark wooden slats were used. The administrative building is also topped with a green roof.In the surrounding areas, 350 trees were planted; around the office building, the landscape becomes a garden with the addition of 250 shrubs and 1,500 aromatic plants.The biodigesters, the heart of the process, are wrapped in an expanded metal mesh in a golden color, deliberately chosen to clearly express their value and importance.
The plant is inherently sustainable: it promotes the circular economy and regenerates a former landfill site in the Tuscan countryside. All morphological, formal, and material choices are aligned with this goal. Natural materials were selected, such as the wooden slat cladding used for both the administrative and reception buildings. The former also features a green roof, enhancing thermal insulation and integration with the landscape. Large glazed surfaces and a central skylight ensure natural lighting throughout the interior. The golden mesh that wraps around the biodigesters enhances the visual quality of the technological core — not concealing it, but elevating it — contributing to a harmonious relationship between the project, the environment, and the social context.
Alia Spa commissioned us to design the masterplan and architectural layout of an innovative plant for transforming organic waste into biogas and compost for agricultural use. Our task was to give architectural form and quality to the facility. We embraced this challenge, fully aware that our era is capable of producing not only technologically advanced systems, but also works of great sensitivity — attentive to quality and characterized by a necessarily contemporary aesthetic. Set within a hilly landscape previously marked by a landfill, the project stands as a virtuous example of landscape regeneration and technological innovation. Two main volumes define its identity: the biodigesters, wrapped in a golden expanded metal mesh that visually elevates the recycling technology within, and the administrative building, an elliptical structure clad in natural wooden slats of varying tones and sizes, which integrates organically into the surrounding landscape and evokes the principles of the circular economy. Nature enters the interior space as well: at the ground floor, beneath the large elliptical skylight and at the base of the staircase, we created a shaded indoor garden with selected plant species. The result of this design approach is the transformation of a technical plant into a recognizable, harmonious, and welcoming architectural presence, capable of engaging in dialogue with both the community and the territory
In the green heart of Tuscany, the plant stands as a model of excellence within Italy’s circular economy landscape — a symbol of flexibility and renewable energy efficiency. It is a sustainable architectural project designed to blend harmoniously with the landscape of the Florentine Chianti, making the facility a development grounded in environmental respect and sustainability, where technology, innovation, and care for nature come together.
Giorgieri studio, based in Florence since 1980, works in both architectural and urban design. The founder, arch. Pietro Giorgieri, is Professor of Urban Planning at the Department of Architecture, University of Florence. The studio combines design work with in-depth research on the physical form of cities and the relationship between architecture and public space. Key projects include villas and residential complexes in Italy and abroad, a social housing district in Milan, tourist resorts, water parks restaurants, bars, and hospitality facilities, a shopping center, two waste treatment plants, In the field of restoration, notable works include the “Borghi Vivi” study for the Pisa Heritage Authority and the renovation of the village of Casette (Massa). In urban planning, the studio develops municipal plans and quarry regeneration projects in Seravezza. Architect Giorgieri also coordinates urban research projects for the University of Florence.
