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2021 May June Marina World

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MARINA UPDATE An oasis in a commercial port The driving force of a waterfront development project, the public marina of Molo Pagliari in La Spezia, is a micro oasis nestled between large shipyards, a container terminal and a cruise ship port. Donatella Zucca reports The concept of a port authority undertaking construction of a fullservice marina so as to enhance the city waterfront may seem a little unusual. But in La Spezia, Italy, in a strip of Liguria bordering Tuscany, this has not only happened but happened in a singular way in terms of location, green credentials and the players involved. Internationally renowned company Trevi, appointed as general contractor, suggested the best technical solutions as early as the executive design phase, and Ingemar was entrusted to provide floating piers and breakwaters. Studio Manfroni and Associati, developer of Riva shipyard near Pagliari and well known regionally for waterfront regeneration work, presented the design work in 2007. All of the players reported to the Port System Authority of the Eastern Ligurian Sea which, in an investment of over £15 million, has taken over management of all land and water elements, the creation and maintenance of green areas, paths, and pedestrian and cycle lanes along the seafront. The expansion, which required the development of a third nautical basin, meant the improvement of La Spezia Container Terminal and the relocation of various maritime associations from the Canaletto and Fossamastra areas to the new dock. Each has benefited from being granted dedicated space in the renovated Molo Pagliari, and the City has been rewarded with an eco-sustainable enhancement of the waterfront. The new Pagliari is located in a stretch now known as the Blue Mile; a concentration of leisure and naval shipyards in line with the Port Regulatory Plan. The rationalisation of port space allows for greater efficiency and eliminates overlap between the different operational areas but also, equally importantly, creates a public marina between the privately operated Porto Mirabello and Porto Lotti. To date, around 13 concessions are in place to take advantage of the privileged location, which has numerous dedicated spaces for services, boardwalks and walkways. On the sea Floating elements have been used throughout to create the new marina space. A floating breakwater in excess of 600m (1,970ft) long protects a 5.6ha (13.8 acre) basin. Pontoons and floating gangways are installed to moor over 850 boats of 8-15m (26-49ft) in length. Said to be unparalleled in Europe in terms of size, the gigantic breakwater barriers have been built using reinforced concrete blocks with expanded polystyrene cores joined together with semi-flexible connectors. Internal mooring piers, the pontoons under the quayside, the pontoon walkways and floating structures are also constructed from reinforced concrete and have hardwood decking. The pontoons, along with lightweight aluminium gangways, were manufactured at Ingemar’s factory in Treviso, Italy, along with six 45m² (484ft²) floating platforms, each equipped with a launch and hauling slide. The largest elements of the breakwater were built on site in an Ingemar mobile yard installed at the Antonini Navalmare shipyard so as Luca Perfetti Patrizia Burlando and Mario Manfroni (above) and Nicola Perrotta (below). – May/June 2021 23

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