SALINI IMPREGILO, FINCANTIERI TO REBUILD GENOA BRIDGE WITH NEW “PERGENOVA” COMPANY 18 DECEMBER 2018
Salini Impregilo and Fincantieri Infrastructure, subsidiary of Fincantieri, were awarded the contract to rebuild the bridge across the Polcevera River in Genoa according to a design by architect Renzo Piano.
The two companies will work together by creating a new company called “PERGENOVA” with the aim of completing the structure in 12 months from the moment work at the site can begin following the demolition of the old bridge.
“Twelve months to help relaunch Genoa. That is the dream that we are hoping to give the Genoese before Christmas in memory of the victims of this terrible tragedy: to relaunch the city as quickly possible and send a strong message to the entire country. Public works can kickstart the economy and start to create jobs again,” said Pietro Salini, Chief Executive of Salini Impregilo, in welcoming the decision of Genoa Mayor Marco Bucci, who is also commissioner of the reconstruction effort. “We are in Genoa in the spirit of civic duty and, with Fincantieri, we are ready to help the city and its people. Many of our workers on the Terzo Valico high-speed rail project are Ligurian and we want to be close to them after the tragedy that struck the city.”
“Fincantieri offered its assistance from the very first moment, we owed it to Genoa and Liguria,” said Giuseppe Bono, Chief Executive of Fincantieri. “Our expertise in the management of processes and complex products puts us in a position to carry out the best possible work in order to give the city a beautiful, functional and lasting public work within the expected timeframe. I am sure that the new infrastructure will be the best example of an Italy that can work to build public works that in the service of the country, when it puts its many excellences together.”
The bridge over the Polcevera is a key artery that connects the port and the wider coastal area to France. The new structure will play an important role in helping Genoa return to being an important shipping and commercial hub. The bridge will have a continuous steel deck 1,100 metres in length with 20 spans. It will have 19 elliptical piers made of reinforced concrete, the majority of which positioned 50 metres from each other. Two of the piers will be 100 metres from each other because of their location on the river and the railway. The design takes into account the fact that the bridge crosses a densely populated area.
Fincantieri will build the steel structures at its Genoa-Sestri Ponente shipyard, as well as at the Valeggio sul Mincio (Verona) facility and, if necessary, at the other yards of the group in Italy. The production of the metallic deck will be carried out in macro structural elements that will be transported to the work site, assembled and welded, completing the working of each single span on the ground. In this way, at height, operations will be reduced to a minimum. The hoisting will be carried out using mainly special equipment, called “strand jacks”, which will allow for the aligning of the deck to the main element in steel previously placed at the top of the pile using a mobile crane. In partnership with Cetena, a company within the Fincantieri Group dedicated to research and based in Genoa, an integrated monitoring, control and inspection system of the bridge will also be provided.
The reconstruction of the bridge will represent the rebirth of a great city like Genoa and signal a new phase of development for the country. It will show that even in Italy it is possible do infrastructure relatively quickly: from identifying the need for a public work through to its execution. The project represents an example of collaboration between two large companies that complement each other and puts to the service of the city their unique expertise.
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