Abu Dhabi Terminals, which operates four commercial seaports in Abu Dhabi, plans to raise storage and handling charges by 10% at the ports in January next year, reported Gulf News. ADT operates Mina Zayed, Musaffah, Freeport and New Dhow Harbour seaports. ADT last increased tariffs at the seaports in January, when all port charges except those for stevedoring were revised. The port dues are levied on the basis of gross registered tonnage of the vessels.