Jan De Nul gears up for cable installation on Nasr field

Isaac Newton cable laying vessel

Jan De Nul Group’s preparations for the subsea cable laying work for ADMA-OPCO’s Nasr Full Field Development Package 2 Project off the coast of Abu Dhabi are in full swing.

The service provider for the offshore and maritime industries was awarded the project last December by Hyundai Heavy Industries (HHI), which is in charge of the engineering, procurement, construction, installation and commissioning work for the super complex.

HHI’s part of work on the complex comprises work on a gas treatment platform, a separation platform, and an accommodation platform; laying 144 km subsea power and 55 km infield cables; modifying an existing manifold tower and two wellhead towers in Nasr oil field, 131 km northwest of Abu Dhabi, UAE, and work for Power Distribution Facilities from existing DAS Island to super complex.

The preparations are lead from Jan De Nul’s office in Abu Dhabi. The offshore work scope involves the cable installation services of three 132kV subsea power cables and ten 11kV subsea power cables, totaling over 200 km of cable.

Jan De Nul informed on Monday it was mobilizing its cable laying vessel Isaac Newton, which is able to install all 200 km of cables in only two trips, to perform the loading, transport and laying of the cables. The first cable sections will be loaded at Nexans’ facilities in Norway as of October 10, 2017.

The cable protection works, which comprise of pre- and post-lay mattress installation, post-lay trenching and subsea gravel installation, will be performed by Jan De Nul’s multipurpose vessel Daniel Bernoulli. This will be the first project for the Daniel Bernoulli, following its recent delivery from the shipyard in China. The cable routes will cross existing assets at more than 50 locations, involving installation of approximately 700 concrete mattresses. About 60km of the cable routes require burial, of which a substantial portion goes into calcarenite rock.

All offshore works are planned to be executed between the fourth quarter of 2017 and the second quarter of 2018.

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