The Saipem-owned pipelay vessel Castoro 10 (C10) is at the moment positioned off Rügen, Germany to tie collectively the 2 ends of a Nord Stream 2 pipe string laid final 12 months on the seabed.
Nord Stream 2 AG, a subsidiary of Russia’s Gazprom and the operator of the venture, stated on Monday that the 2 sections could be linked above water with a weld seam.
In what is called an Above-Water Tie-In (AWTI), each pipe ends might be lifted out of the water after which lower, aligned and welded collectively from a working platform hooked up to the C10. The weld seam is ultrasonically examined and coated with an anti-corrosion safety.
Afterwards, the pipe string might be positioned on the Baltic seafloor in a slight arc.
The firm stated that, together with all preparation and follow-up work, the process takes two to a few weeks. With optimum climate situations and easy operations, the works above water could be accomplished inside only a week, in accordance with the operator.
The C10 is located northwest of the “Landtief” strategy and positioned with eight anchors. Due to the anchor sample in addition to diving works, a security distance of a minimum of 1,000 meters from C10 should be noticed.
The operator added that work on the Nord Stream 2 pipeline continues to proceed as scheduled. Altogether greater than 1,700 kilometers (over 70 %) of each pipe strings have been laid in accordance with the prevailing permits within the waters of Germany, Sweden, Finland, and Russia.
It can be value mentioning that, earlier this month, the final pipe for the Nord Stream 2 pipeline saved throughout the premises of the port of Karlshamn, Sweden left the port.
Nord Stream 2 was designed as two parallel 48-inch strains, roughly 1,200 kilometers lengthy, every ranging from south-west of St Petersburg and ending at German coast, Greifswald. Nord Stream 2’s pure fuel pipelines could have the capability to move 55 billion cubic meters (bcm) of Russian fuel a 12 months to the EU, for a minimum of 50 years.