3.5.2011

Parco Solar South in Calabria, Italy

Cada consideración sobre la reconstrucción de un viaducto debe comenzar prestando especial atención tanto a su contexto como a sus componentes, tanto visibles como invisibles. Este proyecto es realmente ambicioso y audaz, tanto en su programa como en su forma arquitectónica. 1-Contexto: circunstancias invocadas: Causa y efecto, para cada acción hay una reacción. 2-Medio: Medio ambiente físico, biológico o geográfico: alrededor de un organismo vivo que influyen en su comportamiento.

Every consideration on viaduct redevelopment must start with particular attention to the largest sense of its context as well as its components, both visible and invisible.

It is of course essential to consider the site’ potential in order to integrate the project within its landscape; furthermore, to gain a deep understanding of every single component representing the milieu2, appears as a fundamental task for the development of such a project.
We also have to be aware of the current international climate that goes far beyond the Calabre region, as it can influence, and maybe even develop the local scale of the project.

We are facing the difficult task of offering new scenarios to these significant masterpieces.
These Viaducts can either be adapted to integrate in the continuity of Calabre’s common society (agriculture?), or on the other hand, they can give a push of motivation for new possibilities that such an atypical redevelopment offers to the region.

It is this second option that we have intended to develop.
Our choices have been carefully considered in order to develop a pragmatic answer and propose a rich, efficient and feasible scenario.
This project is indeed ambitious as well as audacious in both its program and architectural form.

1-Context: Relied circumstances: Cause and effect; for every action there is a reaction.

2-Milieu: Physical, biological or geographical environment: surrounding a living organism and influencing upon its behaviour.

These viaducts have intrinsic qualities: The lanes crossing are very well connected as they are former main roads. They were built sightseeing a heavy traffic flow, therefore the potential load of the bridges is higher than normal.
The aim of the ‘pile & deck’ structure is to span as far as possible by using as few material as possible. The result is a limited impact upon the landscape where it sets relative to the dimensions of the project.

The site where those bridges are located has also some inherent qualities. The Tyrrhenian see can be perfectly observed and the landscape reviles a natural context carefully preserved. Indeed the site benefits of a complete disconnection from any human intervention apart from the high lines.

Several other signs indicate some significant qualities of this site like the presence of Etna, an active volcano that points out a strong geothermic potential on the site.
In addition the presence of ‘Bergamots’ shows also some interesting particularities. Almost 95% of the world’s Bergamots production comes from Calabre. As this fragile vegetable need some very specific weather conditions to grow (need of air humidity and exigency on much reduced temperature span), the climate of the Calabre region appears as one of the most stables in the world.

Program
The sites’ regular climate as well as its proximity to the sea, makes Calabre the optimal holiday resort for the elders.

Its context seems ideal to draw the attention of North European retirees who, like the so called “North American Snowbirds”, once retired decide to migrate voluntarily to other countries where they can find a better quality of life. With this new touristic infatuation, the European offer for such specific places has difficulties to follow. Calabre region seems completely predisposed to draw the attention of this migratory flow.
The redevelopment of the sites’ viaducts appears as the perfect opportunity to develop the right infrastructure for the accommodation of this new kind of migration.

Our intervention upon this original structure in addition to the site’ diverse qualities can potentially lead to a greater excellence than the actual offers.
It is then a matter of developing a specific typology that will enhance the residential aspects such as leisure and health centres. It is also necessary to take advantage of all the forces of the site in order to develop an innovative and environmental project.

Concept
The viaducts’ morphology and especially its piles inspired us to develop vertical villages. The deck therefore should be reinforced by a display of commercial spaces, equipments, medical centres and leisure spaces.

We can only imagine how much time these viaducts have needed to impose themselves upon the landscape where they finally have become a significant part of. This project does not intend to impose a new architectural form as it could fracture the existing one and hence become inadequate.
Consequently we intend to reinforce the viaduct’ existing architectural form in order to keep the impact upon the landscape itself to minimum. This project aims to participate to the evolution of the original viaducts in order to consolidate their original identity.
The project will appear as a contemporary archaeological contribution discordant with its double; it will wrap around the existing one and restructures it in order to give it a new breath.

A harmonious combination of viaduct’ morphology and common pavilion typology, taking place in a new dimension which combines the isolating qualities of a pavilion as well as the advantages of a condominium (proximity, mutualisation etc…). The upper part of one of the viaducts deck will inhabit a pedestrian “promenade” nonetheless for the others the deck will remain as traffic road in order to respect the existing paths of the city. The communion of the infrastructure within its landscape should be sufficient to establish a first-class quality of life along with a responsible response to the environment.

Sustainability
Layers of high enthalpy
The more we drill deep in the earth’s crust, the more temperature increases. This heat gradient depends much on the area of the sphere considered. The zones where the temperatures are much stronger, called temperatures anomalies, can reach several hundreds degrees for low depths. These anomalies are generally observed in the volcanic areas. In geothermic terms, they indicate layers of high enthalpy, and are used to provide energy. For example the higher temperature of the layer (between 80 °C and 300 °C) allows electrical production.

General principle
The production of electricity and medical warm water comes from geothermal energy. The principle is to inject cold water deep underground where temperature exceeds 200°C. Water is heated by conduction then pulled up the surface where a power station transforms heat into electricity. 45.000m3 Injected water comes from the 10km long high-way surfaces.

Implementation – cost/calendar
We can estimate that building a power station with a potential power production of about 20 at 30 MW thermal, along with an electrical production from 3 to 5 MW can be built in around three or four years, for a budget of about 15 million Euros for a thermo plant, plus 7 million Euros for the transformation into electrical energy.

The installation time
The installation of a power plant does not generate any gas or waste, and the output increases as time goes by because a hot column is formed around the pumping wells and therefore thermal losses is limited.

Production – autonomy of the city – finance
A power plant of 5MW supplies 4000 hearths, and produces medical warm water for the auxiliary heating. The viaduct of Favazzina could accommodate 240 hearths, the whole of the bridges could accommodate 2500 hearths, plus public equipment. Hence we can consider that the town could potentially have complete energy autonomy, with an investment of 22M€ approximately, that is to say approximately 5500€ by hearth and 8,25M€ for the whole of public equipment. This investment can surely be relieved by Europe and of the government institutions eager to promote clean energies.

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