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Extreme and extraordinary: connecting Czajka underground

Sun, 31 July 2011 The underground connection to the new Czajka wastewater treatment plant in Warsaw, Poland, was completed successfully and on time, earning itself the title of ISTT Project of the Year.

Extreme and extraordinary: connecting Czajka underground

The underground connection to the new Czajka wastewater treatment plant in Warsaw, Poland, was completed successfully and on time. Two Herrenknecht AVND micromachines handled the difficult drives with a total of 5,860 m with bravura.

Jacking in Japan: the pipe roof method

In many cases, tunnels in an urban area are constructed near existing facilities and structures, in soft ground that contains underground water. For this kind of work, structural stability of the tunnel and the nearby structures and facilities is vital. Thus, pipe roof method, a closed trenching method, has been attracting the attention of engineers in many countries as a supplementary construction method.

Jack in the box

James Thomson, owner and principal of Jason Consultants Group until 2003, recently formed Jacked Structures SA. Here Mr Thomson details the different concepts of installation.

Jacking the Blue Lagoon

Hobas’ CC-GRP jacking pressure pipes are part of Venice’s major environmental plan to help reduce and prevent future pollution to the world’s famous Blue Lagoon.

New website for Jacked Structures

Fri, 27 August 2010 Jacked Structures – leading international specialists in the design and installation of large underground structures without surface disruption – has a new and improved website.

Fishing for new culverts

Thu, 15 July 2010 A project aimed at replacing non-functioning culverts with the use of pipe jacking is expected to improve the migration of fish in Washington State, US.

Pipe jacking in Venice

Thu, 1 July 2010 Microtunnelling is playing an important role in the protection of Italy’s largest lagoon.

Flood-free sewer for the Netherlands

Mon, 21 June 2010 An overload sewer main extension has been completed in the Dutch municipality of Doetinchem, providing 57,000 citizens with a flood-free sewer for the next five decades.

I love trenchless technology!

Mon, 1 March 2010 The Trenchless International team loves Trenchless Technology – do you? Here at Trenchless International we have a special affection for the trenchless industry all around the world. We are not just a magazine about the industry – we are a part of your industry.

Rome sewers bypass sports facilities

Fri, 18 September 2009 The Municipality of Rome in Italy has completed a 320 metre long, 1.4 metre diameter sewer bypass using microtunnelling under major roads and two sporting facilities including the Olympic stadium and Foro Italico in the central district of Farnesina.