Siem Offshore has signed a contract with Remontowa Shipbuilding for the construction of four dual-fuelled platform supply vessels (PSVs).
The new vessels will feature Wärtsilä’s VS 4411 DF design and will be equipped with dual-fuel liquid natural gas or marine diesel oil systems. Their advanced hull design will help lower fuel consumption and emissions.
The vessels will have an overall length of 89m, a beam of 19m, deck area of 970m² and a capacity of 5,500dwt.
The PSVs will be built with equipment for firefighting, oil spill recovery in emergency situations, rescue and standby services to offshore installations for up to 300 persons, and a safe hose operation system.
The vessels will meet the clean design and comfort class criteria and will be prepared for a second fast rescue craft.
Deliveries of the four vessels are scheduled for the third quarter of 2015 and second quarter of 2016.

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By GlobalDataSiem Offshore is a Norway-based international supply and subsea shipping company. It has two additional vessels of the same design under construction.
The first is being built by Hellesoy Verft in Norway and has been contracted by Total E&P Norge. It is scheduled for delivery in 2014. The second vessel is being built by Remontowa in Poland and is contracted with AS Norske Shell. It is scheduled for delivery in 2015.