"SEVEN BOREALIS " is a pipelay and heavy lift vessel capable of operating in the world’s harshest environments/600 to tension S-lay up to 46-inch pipe diameter/ 937 to top tension J-lay system up to 24-inch pipe diameter/ 2.800t onboard pipe storage/J-Lay tower with gimballing function extending weather capability/ Proven track record in pipelay, subsea and surface construction, including the renewables sector/ Touch down monitoring capability by ROV at radius of 1,500 m from the vessel/ Heave compensated auxiliary hoist with capacity of 1200 to, for use on surface or subsea/ S-lay system configurable for conventional, sliding and swaged Pipe-in-Pipe, with or without piggyback.