Meet TEC at World Tunnel Congress, Dubai, 21-26 Apr 2018

11 April 2018

Meet our experts at World Tunnel Congress 2018 where you can learn more about our latest exciting projects we are working on around the world. TEC will be present at the Joint Specialists Immersed Tunnels booth 24/25 in the Dubai World Trade Center. The annual World Tunnel Congress (WTC) will be held in Dubai, from […]

Corporation CCCC-TEC (TU Delft) on Submerged Floating Tunnel Studies

8 February 2018

by Ying Li, TEC Project Manager, 2018-2-2 On January 26, TEC’s Hans de Wit and Ying Li had a meeting  regarding Submerged Floating Tunnel Studies with the research team led by Mr. Lin Ming, general manager of CCCC JV and signed a corporation agreement. In the past months CCCC and TEC, supported by TU Delft […]

Hongkong- Zhuhai -Macau Link Technical Summary Exchange & Consultation Meeting Tunnels and Island, held in Zhongshan

8 February 2018

By Ying Li, TEC Project Manager, 2018-2-2 On January 25 and 26, 2018, the Hongkong-Zhuhai-Macau Bridge (HZMB) Island & Tunnel Engineering Immersed Tunnel Technical Summary Exchange & Consultation Meeting had been held in Zhongshan. The meeting was organized by CCCC JV tunnel & island engineering project management department.   TEC managing director Hans de Wit […]

The Directorate-General for Public Works and Water Management and Ballast Nedam, DEME and Macquarie Capital sign contract on A24 Blankenburgverbinding

18 December 2017

On 14 December 2017 the consortium BAAK Blankenburg-Verbinding (Ballast Nedam –  DEME – Macquarie Capital) signed the DBFM contract for the Blankenburg connection with Rijkswaterstaat. TEC supports BAAK with the integral design. The Blankenburgverbinding is a key infrastructure project, improving the roads and accessibility of the port of Rotterdam and the wider Rotterdam region– contributing […]

Tunnel go-through Ceremony HZMB China

19 July 2017

On 7 July 2017 a “Tunnel Go-through Ceremony” was organized by our Client HZMBA to celebrate the fact that the tunnel link between both artificial islands had become reality. TEC was invited for this event. Managing Director Hans de Wit and Project Manager Ying Li were honoured to be present. Many were impressed by the […]

Marieholm tunnel: first tunnel element floated out

19 May 2017

In the weekend 29-30 April 2017 tunnel element no. 1 (with a length of approx. 100 m) was floated out of the construction dock (building pit on Marieholm Side) into the Göta Alv River. The 25,000 tonne concrete element took seven months to construct in dry dock. The building pit has been prepared for the […]

Closure joint of the HZMB Immersed Tunnel installed

8 May 2017

On 2nd May, 2017 the closure joint (final section) of the Hong Kong-Zhuhai-Macao Bridge (HZMB) Immersed Tunnel was installed. The world’s largest crane vessel “ZhenHua 30” (SWL 12.000 tons, built in China) was used by the contractor, CCCC JV Team from China, to place the 6000 tons closure joint structure.   On behalf of TEC (design […]

TEC Experts have successfully led the immersion operation of the Harlingen Aqueduct

6 April 2017

Gina de Rooij (Immersion Commander) and Arjan Luttikholt (Assistant and Immersion Engineer) were key experts in the immersion operation of the N31 Aqueduct in Harlingen, Friesland, The Netherlands. Upon special request of main contractor Ballast Nedam, in the last 6 months Gina and Arjan created a team of specialists that under high time pressure successfully […]

Ramboll, Arup & TEC consortium wins 114 million Euro consultancy contract for the Fehmarnbelt tunnel

23 March 2017

Ramboll, Arup and TEC have won the tender for client consultancy on the upcoming Fehmarnbelt fixed link between Denmark and Germany. The 18km combined road and rail link will be the longest immersed tunnel in the world.   From left to right: Sandra Akmansoy : Ove Arup & Partners International Hans de Wit : Managing […]

ShenZhong Link

15 June 2016

This video is part of TEC’s proposal for the International Design Competition Shen-Zhong Link. The People’s Government of the Guangdong Province plans to build a link between Shenzhen and Zhongshan crossing the Pearl river delta. After a carefully planned study the Advanced Work Office held an International Design Competition in which competitors were challenged to […]