Description

We hereby cordially invite you to the excursion to the construction site of the new lock chamber at Eefde Lock. We will start with a working visit to the second lock chamber in Eefde. Afterwards, we will have a joint dinner at Het Bosrestaurant in Joppe (Gorssel) 4 km away.

Our circle of purely engineers with very diverse disciplines meets every second Tuesday of the month at 18:00 in Het Bosrestaurant restaurant at Joppelaan 100 in Gorssel (Joppe). The evenings last until around 21:00 (when it is very sociable, it sometimes goes on until 21:30). We are happy to welcome new circle members. On average, our circle members live or work max about 1 hour from Gorssel.

During these meetings, a wide variety of often technical subjects are discussed in a good, friendly atmosphere. The meetings always involve a lot of interaction and discussion. Besides the fact that you are informed and can discuss a wide range of topics, it is great fun to get to know each other.

The ambiance is chosen with care. The dinner we have together is always of excellent quality. Moreover, there is plenty of opportunity for networking and initiating friendly conversations.

At the end of 2016, as part of capacity expansion, Rijkswaterstaat commissioned the Lock to Twente (L2T) contractor combination to build a second lock at Eefde.

The second lock chamber at Eefde will reduce waiting times for ships and make this important access to Twente less vulnerable during maintenance and calamities. The new lock chamber is suitable for class Va vessels, the largest type of ship allowed after the Twente canals were widened.
The lock will have a segment door, unique in the Netherlands, which lies flat on the bottom when the lock is open. The segmental door will be raised when the lock closes.

This clever piece of hydraulic engineering also works in the event of a sudden very high water flow/pressure, for example due to a calamity. If a ship enters the lock from the Twente Canal and breaks the two point doors on the IJssel side, the Twente Canal empties into the IJssel. At that moment, the segment door can still be closed against the flow of water.
L2T, a joint venture between TBI companies Mobilis [Civil Engineering] and Croonwolters&dros [Technical Installations], is responsible for the pre-financing, design, construction and 27-year maintenance of the new lock.

During the tender phase, Tauw and Movares et al advised the contractor consortium and Mobilis, together with Tauw and Movares et al, are in the final stages of the execution design. The actual construction of the second column started in February 2018. In mid-2020, the first ships will sail through the new lock.

'Connecting infrastructure projects smartly, this is how we create a future-proof living environment'.

Speaker(s)

On Tuesday 11 September 2018, ir. Ernst Rijsdijk, ing. Gerold Schaap, ing. Sjoerd Opdam and Anton van Kooij will give a short presentation on the new lock chamber at Eefde Lock.

Ernst Rijsdijk is employed by RWS. Ernst is the environment manager and will discuss the project and how the environment is and will be involved in the creation of the new lock.

Gerold Schaap works at Mobilis | TBI and, as tender manager, supervised and contracted this project. He is now project director and ultimately responsible for the entire 27-year DBFM contract.

Sjoerd Opdam is also employed by Mobilis | TBI and is responsible for the execution designs and of the entire execution of the project

Location

Excursion: Construction site Lock to Twente - Kanaalpad -

7211 CH Eefde (green chain complex)

Organiser

Circle Stedendriehoek

Name and contact details for information

Ernst Oosterveld

ernst.oosterveld@tauw.com