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British Antarctic Survey’s decision to apply the Ecospeed hard coating to the hull of its new polar research ship RRS Sir David Attenborough has been validated after the recent drydocking of sister vessel RRS Ernest Shackleton.
The 80m long vessel, coated with Ecospeed in 2009, drydocked last month at the Orskov shipyard in Frederikshavn, Denmark, where the hull was found to be in “very good condition.” BAS Superintendent Andrew Webb said: “Shackleton’s hull condition is the best I have seen after typical ice year operations. We tend to account for touch up coats every other year to areas impacted by the ice, but this year we needed to repair even less surface area than expected, despite the vessel encountering heavy Antarctic ice.”
The Orskov yard had to touch up areas in the bow and rudder areas. A touch up coat was last applied in 2015. Only remedial coats are required as Ecospeed is a one-coat system and does not need to be removed or reapplied.
The durability of the coating and the ease with which repairs can be effected were the reasons why BAS/NERC selected Ecospeed for the newbuild RRS Sir David Attenborough.
“The shipyard initially wanted to apply its preferred supplier’s coating system, but based on our experience of this coating on the James Clark Ross and Ernest Shackleton we wanted Ecospeed. We already had this system on the entire hulls below the water line of both research vessels and found it much easier to repair: it doesn’t need to be applied under such strict environmental conditions or require the hire of any specialist application equipment.”
During 2013/14 BAS replaced the competitor system with Ecospeed across the entire hull of James Clark Ross, which is scheduled to drydock this month (August).
Subsea Industries’ hull protection system will be applied to the hull of RRS Sir David Attenborough, the polar research ship under construction at the Cammell Laird shipyard in Birkenhead, Liverpool, UK. The 15,000gt research vessel, scheduled for operational duties in 2019, will be one of the most advanced polar research vessels in the world.
RRS Ernest Shackleton, launched in 1995, is a logistics vessel used to transport cargo, fuel and passengers. The ship has basic scientific capability and undertakes research work in the Antarctic. Built by Kverner Klevin Leirvik, Norway as the MV Polar Queen for the Rieber Shipping of Bergen, she was deployed in the Antarctic by other national programmes before being acquired by the British Antarctic Survey in August 1999.
This article was originally published on Marine & Industrial Report newspaper Vol 39 No.5 Issue last October 31, 2017.
