Offshore refit for Damen Shipdock Amsterdam, and Damen expands in Sharjah

‘Polarcus Naila’ is receiving a thruster upgrade and refit at Damen Shipdock Amsterdam ‘Polarcus Naila’ is receiving a thruster upgrade and refit at Damen Shipdock Amsterdam
Industry Database

Ship repair and conversion yard Shipdock Amsterdam, part of Damen Shipyards Group, has received a contract to carry out a propulsion upgrade of the 3D Seismic Vessel ‘Polarcus Naila’.

The ship, built to the Ulstein SZ124 design which features an X-bow hull form, was delivered comparatively recently, in 2010. Damen said that the refit is necessary so that the Polarcus Naila can be newly classified as a special purpose ship. Flip van der Waal, general manager, Shipdock, told The Motorship: “The reason behind the conversion is to improve vessel’s bollard pull and fuel efficiency. Increase in bollard pull allows for an upgrade to a full 12 streamer capability which improves efficiency during seismic survey activities.”

He added that the refit will result in an increase in fuel efficiency which is in line with Polarcus’ aim to demonstrate leadership in environmental responsibility.

The electrical repairs and modifications have been subcontracted out to marine electrical engineering specilaist Alewijnse Marine Systems. The main element of this work will be the delivery, pulling, installation and connection of some 4km of power cables for the new propulsion rooms. It will  also incluse new lighting, breakers davits and winches.

Polarcus Naila was scheduled to arrive at Shipdock in February 2014. As well as the thruster upgrades, other work to be carried out during the planned six-week refit will include installation of a ballast water treatment system, a new workboat and davits, relocation of the MOB and the five year special survey. Pre-fabrication work on two gondolas began in advance at Niron Staal, a specialised steel construction and machining company within the Damen group, which is located on the Shipdock premises. This part of the work was due to be completed prior to the arrival of the ship in Amsterdam.

"Taking day rates of a seismic survey vessel into account, time literally is money and the vessel will need to be back in business as soon as possible. It is therefore not surprising that Polarcus decided to bring the vessel to Shipdock Amsterdam, fully aware of the management and technical capabilities, due to experiences in the past", said Mr van der Waal.

January 2014 saw the formal inauguration of Damen Shipyards Sharjah (DSS), a joint venture between Albwardy Marine Engineering and Damen Shipyards Group and Albwardy Marine Engineering. The yard will operate according to the tried and trusted course of Albwardy’s conversions, dry-dockings and repairs, alongside newbuild work by Damen.

The new yard is located on a 284,000m² site in the Sharjah Hamriyah Free-zone, and offers direct and unrestricted access to the sea. The facility is equipped with a 120m x 26.5m ship-lift, with a 5,200t capacity. It has eight dry-berths, each of 125m in length, an enclosed blasting and painting shed and an under-cover construction hall. 1,200m of quayside with water depth up to 9m can accommodate vessels for alongside repairs.

DSS has been operating for some time, and has delivered tugs, workboats, support vessels, dredgers, landing craft, floating docks, barges and pontoons. It currently has a healthy order book that includes contracts for several workboats, a crew boat 10 ASD tugs.The cooperation between the two companies extends to three existing repair yards in Dubai and Fujairah.


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