From the architect. The first example of a ‘Vertical Forest’ (il Bosco Verticale) was inaugurated in October 2014 in Milan in the Porta Nuova Isola area, as part of a wider renovation project led by Hines Italia.
Milan’s Vertical Forest consists of two towers of 80 and 112 metres, hosting 480 large and medium trees, 300 small trees, 11,000 perennial and covering plants and 5,000 shrubs. The equivalent – over an urban surface of 1,500 m2 – of 20,000 m2 of forest and undergrowth.

The Vertical Forest is an architectural concept which replaces traditional materials on urban surfaces using the changing polychromy of leaves for its walls. The biological architect relies on a screen of vegetation, needing to create a suitable microclimate and filter sunlight, and rejecting the narrow technological and mechanical approach to environmental sustainability.

Biological Habitats: The Vertical Forest increases biodiversity. It promotes the formation of an urban ecosystem where various plant types create a separate vertical environment, but which works within the existing network, able to be inhabited by birds and insects (with an initial estimate of 1,600 specimens of birds and butterflies). In this way, it constitutes a spontaneous factor for repopulating the city’s flora and fauna.

Mitigation: The Vertical Forest helps to build a microclimate and to filter fine particles contained in the urban environment. The diversity of plants helps to develop the microclimate which produces humidity, absorbs CO2 and particles, produces oxygen, and protects against radiation and noise pollution.

Anti-sprawl: The Vertical Forest is an anti-sprawl method which helps to control and reduce urban expansion. In terms of urban density, each tower constitutes the equivalent of a peripheral area of single family houses and buildings of around 50,000 m2.

Trees: The choice of species and their distribution according to the orientation and height of façades is the result of three years of studies carried out alongside a group of botanists and ethologists. The plants which are used on the building were pre-cultivated in a nursery in order for them to become accustomed to similar conditions to those which they will find on the balconies.

Changing façades: The Vertical Forest is an ever-evolving landmark of the city, whose colours change depending on the season and the different natures of the plants used. This offers Milan’s population an ev- er-changing view of the city.

Management: The management of the basins where the plants grow is the responsibility of the condominium, as is the maintenance and replacement of all vegetation and the number of plants established for each basin.

Hydration and irrigation system: Following micro-meteorological studies, the calculation of irrigation requirements was carried out by examining climatic characteristics and was diversified depending on the exposure of each façade and the distribution of vegetation on each floor.

Architects – Boeri Studio

Location – Milan, Italy

Architects in Charge – Stefano Boeri, Gianandrea Barreca, Giovanni La Varra

Project Year – 2014

Photographs – Paolo Rosselli, Laura Cionci

Manufacturers – Cotto d’Este, CYMISA, KONE, Vimar

Vertical Forest Landscape Design – Emanuela Borio, Laura Gatt

Aesthetic Supervision of Works – Davor Popovic
Developer: Hines Italia Design development: Gianni Bertoldi (coordinator), Francesco de Felice, Alessandro Agosti, Andrea Casetto,
Matteo Colognese, Angela Parrozzani, Stefano Onnis

Schematic design and PII – Frederic de Smet (coordinator), Daniele Barillari, Marco Brega, Julien Boitard, Matilde Cassani, Andrea Casetto, Francesca Cesa Bianchi, Inge Lengwenus, Corrado Longa, Eleanna Kotsikou, Matteo Marzi, Emanuela Messina, Andrea Sellanes

Structures Arup  – Italia s.r.l.

Facilities Design – Deerns Italia s.p.a.

Detailed Design  – Tekne s.p.a.

Landscape Design  – Land s.r.l.

Interior Design Coima Image s.r.l.;  – Antonio Citterio & Partners

Infrastructure Design  – Alpina s.p.a.

Project & Construction Management  – Hines Italia s.r.l.

Time & Tender Management –  J&A Consultants s.r.l.

General ContractorZH  – General Construction Company S.p.A.

Main Contractor –  COLOMBO COSTRUZIONI S.p.A.

 

author: archdaily

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