Owner Intesa Sanpaolo Spa, Turin
Design Arch. Renzo Piano, RPBW Paris
Engineering FHECOR Ingenieros Consultores, Madrid
Construction TORRE S.c.a.r.l., Turin
Waterproofing Drytech Italia, Montano Lucino, Como
Drytech Tank 1’190 m²
INTESA SANPAOLO TOWER, TURIN / The architect Renzo Piano has made the structure his architecture. The inside becomes outside: function becomes beauty. The Intesa Sanpaolo Tower in Turin confirms this correspondence between form and substance, which characterizes all the constructions by the architect from Genoa. It is enough to observe it in order to understand how it has been made, how it works, starting from the many relationships it establishes with the environment, the city and the mountains on the horizon.
The East and West facades are characterized by enormous tapered columns which, together with the colossal tension rods, support 38 floors above ground, 166 metres high.
A skin of mobile, transparent slats is suspended on these facades which channel air for cooling in summer and guarantee thermal insulation in winter. The skyscraper breathes and interacts with the environment with the objective of consuming very little energy which is in any case completely produced by renewable sources. The south side is in fact entirely covered by a photovoltaic array of 1,600 square metres and the climate control system uses energy from heat exchange with groundwater. A system of rainwater collection allows a 48% saving on drinking water. Rain sensors and smart control units guarantee controlled irrigation of green areas.
Illumination is also optimized via a system of sun blind slats which regulates the amount of sunlight penetrating the rooms. At sunset, artificial lights come on automatically and gradually, based on the time of year.
Interaction with the outside is not limited to energy but also concerns social and urban planning. The building can also be used by the public. As well as the offices for 2,000 Intesa Sanpaolo employees, the skyscraper also has six floors dedicated to the public with concert halls, spaces for cultural events, a restaurant and a school. On the top of the Tower there is a bio-climate greenhouse and a rooftop cafe.
Started in December 2008, the first phase of the project was completed in June 2011 with the construction of the foundations and the six underground floors using the top-down technique. Drytech carried out all the tanks (internal and external) using the White Tank system as well as treatment of the concrete bed-diaphragm cold joint along the entire perimeter of the underground construction, covering a total of 420 linear metres.
The underground floors house a 300-space car park, utility rooms and the amazing below ground-level garden, which also gives onto the nursery’s garden. At the foot of the skyscraper there is a park crossed by footpaths which connect the surrounding paths. On the large grassy area, the children play a succession of spontaneous football games using a couple of sweatshirts to mark out the goal.
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