New ENI Headquarters
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New ENI Headquarters

Place: San Donato Milanese (Milan)
Customer: EniServizi S.p.A.
Architect: Morphosis in partnership with Nemesi Architect
Year: 2014 – On going
Surface: 65.000 m²
Notes: LEED Italia NC v2009 Certification – Goal: level GOLD

The New ENI Headquarters’s buildings arise from the landscape as an urban island. They are organized around a central square which is overlooked, through floor-to-ceiling windows, by the common areas: the atriums, the conference center, the restaurant.
The Complex is composed by three main buildings: Icon – the tallest with its 11 floors, Landmark – the biggest covering 23.700 m² and Skygarden, which will house a congress centre.
The Icon and the Landmark buildings are connected to each other, at the seventh floor level, by a 85-metre-long structure.
The facades, in addition to playing an important role in the architecture of the complex, perform central functions from a functional point of view. In fact, they have been designed with the aim of ensuring maximum performance in terms of energy efficiency and natural lighting of the environments.
Concerning the systems, a centralized plant for heating and cooling is provided for all the buildings. Heating is guaranteed by connection to the district heating system while cooling is guaranteed in part by air condensed chillers, and in part by water condensed chillers with cooling towers.

Domestic hot water is produced by means of air source heating pumps.

The offices are climatized by a primary air system with radiant ceilings in order to guarantee contemporary needs of heating and cooling in different zones of the building. The system of each floor is divided in zones independently regulated, with the same modularity of the facade, for guaranteeing precise respect of local comfort conditions.

In order to reduce the energy requirements of the buildings, further strategies have been implemented, such as:
– heat recovery (enthalpic wheels) in the AHU;
– free-cooling with direct use of fresh air both for air treatment and for air condensed chillers;
– variable flow systems with inverters for the pumps of the water circuits and for fans.

Moreover, the Center has been designed to meet Class A energy requirements and it pursues LEED Gold certification.

For reducing the water consumption, in order to attaining the LEED certification, some strategies have been adopted:
– collection and recycling of rainwater for non potable usages, WC, cooling towers, irrigation, etc., in case integrated with district industrial water;
– taps and showers are low consumption, LEED compliant.

With the production on site of renewable energy, thanks to photovoltaic panels, this buildings are designed to obtain a reduction of -20% of energy consumption with respect of the Ashrare reference building, as per LEED protocol.


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