Microtunnelling

From the magazine, Microtunnelling, Rehabilitation, Tunnelling, Utility location

Grundoburst 1250 G on site in Warsaw, Poland

In the old part of Warsaw in Poland a ND 400 mm clay pipe required replacement over a length of 30 m. Inspection of the mains by the water and sewerage company in Warsaw showed regular sand on the bottom of the mains, so that it was apparent that the main was fractured and bit and pieces fell to the bottom of the pipe. This presented a permanent problem of undercarving the road surface - an imminent danger to the public.
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From the magazine, HDD, Microtunnelling, Rehabilitation, Tunnelling, Utility location

Bringing water to drought-ridden Qld requires novel hard rock technology

Population and commercial booms in southeastern Queensland have put substantial pressure on the region's dwindling water supplies. The Western Corridor Recycled Water (WCRW) project will replenish the stores by piping purified recycled water to power station and industry - leaving the remainder for drinking and consumer use.

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From the magazine, Microtunnelling, Rehabilitation, Tunnelling, Utility location

Global trenchless community meets in Rome

The ASTT again had a presence at the ISTT Conference, which took place in Rome. Co-hosted by the International and Italian Societies for Trenchless Technology with the rallying cry, "All Roads lead to Rome", 348 delegates from 40 countries met at the Ergife Conference and Exhibition Centre in Rome 10 -12 September 2007 for the 25th ISTT annual No-Dig Mediterranean 2007. The ASTT stand was manned by Jeff Pace and Chris Bland, while Australian reliners had a strong presence amongst delegates with Geoff Weaver of Interflow, Chris Meredith of Kembla and Trevor Groenveld of CLM in attendance.

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From the magazine, Microtunnelling, Rehabilitation, Tunnelling

Long distance microtunnelling with polymer concrete

Polymer concrete (PC) products have been used for decades in the engineering, building and chemical industry. PC pipe was first developed in the late-1960s by German-based construction company, Zublin. Dr Gerhard Lang explains the benefits of using PC pipe while implementing Trenchless Technologies such as microtunnelling and pipe jacking.

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From the magazine, Microtunnelling, Tunnelling

Risk management at the Drogheda microtunnelling project


A microtunnelling project in the Irish town of Drogheda demonstrated the necessity of employing risk management practices. Here, Geoff Bateman of PB Australia champions the necessity to adopt a risk management approach, using the Drogheda project as a case history demonstrating that size isn't important when it comes to tunnelling risks.

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