The Monaco offshore extension project

As part of the Principality of Monaco’s Portier Cove land reclamation project, led by the Monegasque company, S.A.M. Anse du Portier, Bouygues Travaux Publics, a subsidiary of Bouygues Construction, is launching works on the maritime infrastructure that will constitute the first phase of Monaco’s six-hectare offshore extension. The total value of the maritime infrastructure works is approximately €1 billion.

Philippe Bonnave, Chairman and Chief Executive of Bouygues Construction, said: “We are very pleased to have the opportunity to take part in the development of the Principality of Monaco by way of this new land reclamation project which will create six hectares of habitable space, meeting the highest ambitions with respect to sustainable development and environmental protection.”

The project includes the construction of an eco-neighbourhood primarily consisting of housing (60,000 m²), public facilities, an extension to the Grimaldi Forum, a public car park,a marina with pedestrian wharves, a landscaped park, a seafront promenade and a shaded, planted walkway running the length of the Japanese Garden.

The construction technique to be used for the maritime infrastructure is a fill enclosed by a band of 18 trapezoid reinforced concrete caissons, 26 metres tall and weighing 10,000 tonnes each, equipped with absorption chambers. These precast units will help reduce breaches by strong swells and protect the exposed areas of the project.

The project will pay the closest attention to protecting the environment, preserving biodiversity – with the proximity of the Larvotto Reserve and the Spélugues coral reef – and respecting neighbouring areas, sites and landscapes. The eco-neighbourhood will qualify for a number of recognised environmental certifications, including HQE Aménagement, BREEAM and the Clean Ports label.© Bouygues Construction © DR: bouygues-construction

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