IJmuiden - Sea lock

More data

Country: Netherlands
Project capital cost: € 500 million
Investment date: Oct - 2015
Status: Construction


  • The IJmuiden sea lock project comprises the design, construction, financing and maintenance of a new sea lock at IJmuiden, the Netherlands;
  • After almost 100 years in operation, the old Northern lock will be replaced with a new, larger lock system to provide improved access to the port of Amsterdam;
  • The new lock will be 70 meters wide, 500 meters long and 18 meters deep, making it the world’s largest sea lock;
  • The project cost will be € 500 million;
  • Construction works will be carried out by BAM Infra and VolkerWessels, with commissioning expected by the end of 2021;
  • The Dutch government entered into a 26 year maintenance agreement with the project, with an availability-based payment scheme;
  • Financing was closed in October 2015, with long term project finance provided by the European Investment Bank and a club of international banks.