Asso.subsea successfully completes the Adriatic Interconnections Project II in Croatia

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Greek construction company Asso.subsea announced on Tuesday (2 April) that it has completed its Adriatic Interconnections Project II in Croatia, encompassing the transportation and installation of cables, spanning around 30 kilometres and reaching 70 metres underwater.

Four distinct 110 kV cable systems were installed, with the northern part connecting the following landing sites: Mali Bok – Merag and Osor Bay on the islands of Krk, Cres, and Losinj and the southern part linking Prapatna – Medvidbad and Travna – Slatina between the islands of Brač, Hvar, and Korcula. The company also replaced the old cables along these routes with 3x 630 mm2 submarine cables, totalling approximately 30,500 metres.

As noted by Asso.subsea in a press release, onshore pull-in activities needed preparation works prior to pull in activities to all sites, which together with pull-in operation posed significant challenges, with two operations necessitating HDD pipes measuring around 120 metres and 60 metres in length, respectively.

Additionally, the presence of steep slopes with turns at various sites required innovative solutions, prompting Asso.subsea to design and manufacture specific rollers. Gradients of up to 40 per cent were encountered at locations such as Prapatna and Slatina. Remarkably, our CLV Atalanti and pull-in teams onshore, successfully executed three consecutive landing activities.

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