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Scottish pipes set for rehabilitation

Wed, 26 October 2011 Water mains 90 km in length, stretching from Perthshire into Angus, Scotland, UK, are receiving a significant makeover using techniques such as relining and swabbing.

Deep cleaning Wirral’s pipes

Tue, 28 September 2010 The first stage of a £21 million program to give Wirral's largest water pipes a deep clean has commenced in Ellesmere Port, located in the city of Chester and West Chester, UK.

Bigger than Texas: PPIM puts pigs on show

A dynamic forum discussing key trends, products and services in the pipeline inspection sector – the 22nd Pipeline Pigging and Integrity Maintenance Conference and Exhibition was held in Houston, Texas, from 15–18 February 2010.

Cleaning pipes with pigs

Pigs are integral for the maintenance of pipeline infrastructure. Broadly, there are two different types of pigs – cleaning pigs and intelligent pigs (or in-line inspection tools). Here, Trenchless International, looks at the basics of cleaning pigs. This article investigates cleaning pigs for the petrochemicals industry, and provides a water pipeline case study.

Coating shafts - substrate preparation perfected

For an effective and long-lasting – and hence economical – shaft coating, careful and thorough cleaning and preparation of the substrate is essential.

Green machine saves the day

In the Polish city of Kielce an HDD rig, featuring second generation ADBS and a new type of backreamer, has successfully completed a crossing in sandy clay ground conditions.

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.

First phase community college relining success

Thu, 24 September 2009 Nu Flow has completed the first phase of a community college pipelining project located in Oregon, US, restoring more than half a mile (805 metres) of a galvanised potable water pipe across four buildings on the Roseburg campus.