MOSCOW, February 20. /TASS/. South Stream Transport B.V. affiliated with Gazprom awarded the contract for construction of the second line of the Turkish Stream gas pipeline’s offshore segment to Allseas Group, Gazprom said on Monday.

The contract was signed within the framework of exercising an option stipulated by the contract for laying the first line of the gas pipeline made in 2016.

Gazprom signed the contract for construction of the first line of the Turkish Stream offshore segment on December 8, 2016.

The Turkish Stream project envisages the construction of a natural gas pipeline via the Black Sea to the European part of Turkey to be further extended to the border with Greece. The seabed section is about 910 kilometers and the mainland section through Turkey is 180 kilometers. Previously the project was estimated at 11.4 bln euro. It is supposed that gas supplies via the first line will be totally aimed for the needs of the growing Turkish market.