BLRT Grupp and the Dutch shipping company Spliethoff's Bevrachtingskantoor B.V. signed a contract on the modernisation of F-type ships with a deadweight up to 12,500 tons. This agreement includes installation of scrubbers (systems for cleaning exhaust gases) and ballast water treatment systems on six ships of the company. Earlier, an agreement was signed to equip company’s 14 ships of S –type with deadweight up to 21,500 tons with ballast water treatment systems. "Work on modernisation of ships has already begun and will continue until the beginning of 2020. During this time, most of the ships of the Spliethoff company will be re-equipped at the BLRT Grupp shipyards in Tallinn and Klaipeda, "explains Andrejus Babachinas, Chairman of the Council of Directors of BLRT Repair Yards. The International Convention for the Control and Management of Ships' Ballast Water and Sediments, 2004, entered into force on 8 September 2017. According to the convention, all ships involved in international navigation are required to replace ballast water or to purify these waters to prevent or minimize the possibility of intrusion of non-indigenous organisms. Spliethoff's Bevrachtingskantoor B.V. is a Dutch shipping company, founded in 1921. The fleet of the company includes about 50 modern multifunctional vessels with a deadweight of 12,000 to 23,000 tons.