New large sea lock

A new large sea lock is being constructed at the entrance of the North Sea Canal at IJmuiden that will provide access to the Amsterdam port region.

The new lock will be 500 metres long, 70 metres wide and 18 metres deep, making it the world’s largest sea lock. Construction began in January 2016 and the new lock will be available for shipping at the end of 2019. From then on, the port of Amsterdam will be accessible 24 hours a day.

 

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updates

Project updates

The new sea lock - what's happening in June?

In June, work will continue on the lock gate recesses and on the trenches for the diaphragm walls. The fendering system between the new sea lock and the Middle Lock will be placed and sheet piling for the new temporary flood defence will be...

The Government, the Province of North Holland and the City of Amsterdam have finalised the amounts of their financial contributions to IJmuiden sea lock

The amounts of the financial contributions to the new sea lock at IJmuiden have been finalised and agreed upon by the Government of the Netherlands, the Province of North Holland and the City of Amsterdam.
Bouwwerkzaamheden nieuwe zeesluis mei 2017

New Sea Lock: What's happening in May?

During this month, work will continue on the lock gate recesses and diaphragm walls. The cutting edge will be completed in the inner lock head and a start will be made with the construction of the floor of the caisson. The outer lock head was pumped...
Lock gates of the new sea lock

Facts about the lock gates of the new sea lock

In terms of length they are the largest in the world - the gates will be 72 metres long. But also in terms of width they are substantial in size, seeing that road traffic has to pass over the gates. Moreover, the gates have a flood defence function.

SHIP centre at IJmuiden sea lock now open to public

The Sluis- en Haven Informatie Punt (Lock and Port Information Point/SHIP), which is part of the IJmuiden lock complex, officially opened its doors on 30 March 2017.

New Sea Lock: What's happening in April?

OpenIJ is going to enlarge its work area in three locations this month. It will continue its activities near the inner lock head (1) of the North Lock and this means that the work area is slowly ‘spreading’ eastward.
Rob Gordijn

Three questions to Rob Gordijn of OpenIJ

The largest sea lock in the world is being built in the Netherlands. Many people are contributing to this mega project. We use this column to put three questions to one of these ‘builders’ and this time we are speaking with Rob Gordijn, Area Manager...
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Time to consider new possibilities Port of Amsterdam

These are the facts!

From the end of 2019, Port of Amsterdam will be home to a new, large sea lock. How big is this lock, and who will build it?

Animation about the sea lock

What will be the size of the lock, and what ships can pass through? This will all be clearly explained in this animation!

Now is the time to consider new opportunities!

A new sea lock - the largest in the world. How large, and what ships can pass through? You will find all the information you need right here.

 Dimensions ocean going vessels Port of Amsterdam

Dimensions of ocean-going vessels

The largest sea lock in the world! What ships will it be able to pass through?

obstructions

Scheduled activities and obstructions

Some activities and obstructions have been scheduled in connection with the construction of the New Sea Lock. There are also scheduled activities and obstructions in connection with regular maintenance work to the North Lock and Middle Lock. An overview of the scheduled activities and obstructions of the North Lock and Middle Lock is given below.

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Activities and obstructions in connection with the construction of the New Sea Lock

30 January 2017 to 2 July 2017 Activities
Construction works IJmuiden North Lock - Binnentoeleidingskanaal (Inner Approach Channel)
26 August 2016 until further notice Activities
Activities and measures in relation to the construction of the IJmuiden New Sea Lock

Activities and obstructions in connection with regular maintenance work to the North Lock and Middle Lock

19 July 2017, from 04:00 hours until 10:00 hours LT. Obstruction
IJmuiden North Lock obstructed due to lock gate exchange
12 September 2017, from 02:00 hours until 20:00 hours. Obstruction
IJmuiden North Lock obstructed due to lock gate exchange

 

Overview of prevailing Announcements >>

contact

Direct contact with our expert

Andre Mulder

Divisie Havenmeester
Hoofd Operatie
Tel: +31 6 836 37 183
Email: Andre.Mulder@portofamsterdam.nl

Read more about the new sea lock

Who is carrying out the work?

Commissioned by Rijkswaterstaat (Dutch Directorate-General for Public Works and Water Management), the new sea lock in IJmuiden will be built by the OpenIJ consortium of contractors during the next few years. The project is a collaborative venture of the Ministry of Infrastructure and the Environment, the Province of North Holland, the Municipality of Amsterdam, the Port of Amsterdam, and the Municipality of Velsen. The project is co-financed by the European Union’s TEN-T programme.

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The construction of the new sea lock can be followed on Facebook; Facebook you can also subscribe to our newsletter.

Do you have any questions, reports, complaints or comments regarding the construction work? Please contact Rijkswaterstaat, the Dutch Directorate-General for Public Works and Water Management, through the national Information number 0800 - 8002 (available free of charge daily from 6.00 am to 10.30 pm) or send an email to nieuwezeesluisijmuiden@rws.nl. See the project page ‘building a new, large sea lock’ on the website of the Rijkswaterstaat IJmuiden..
 

When will the new sea lock be completed?

The world’s largest sea lock at IJmuiden provides access to the Amsterdam port area. Construction works will be carried out at the lock complex for the duration of the construction period. The parties involved in the construction of the new sea lock will do everything possible to ensure that shipping traffic can pass smoothly and safely.

Schedule 1st half of 2016
  Preparatory work including removal of the South Lock Island Mid-2016 Re-routing of the inner approach channel to the Middle Lock & start of the construction of the new sea lock 2017 Contours of the new sea lock will become visible Mid-2018 The gates of the new sea lock will be manoeuvred into place End of 2018 Start testing of the new sea lock 2019 The new sea lock will be put into operational service
The completion of the new sea lock for shipping is scheduled for the end of 2019. The first ships may probably start to pass through the new sea lock during the operational test phase.

Why a new sea lock?

  • The North Lock will reach the end of its technical service life in 2029 and has become too small for today’s ever-larger seagoing vessels.
  • The New Sea Lock is tide-independent and can be used 24/7.
  • A new large sea lock allows new-generation larger vessels to pass through the North Sea Canal smoothly and safely.
  • With a larger lock, the port has the possibility to grow from today’s 90 million tons to 125 million tons of goods handled per year.