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Trenchless International

January 2012

Under the Avenue

The City of Toronto, located in Ontario, Canada, is constructing a new watermain to replace the original pipes that were constructed in 1915 and 1923, using microtunnelling for part of the project.

From the Chairman’s Desk

Sam Ariaratnam, ISTT Chairman

Welcome to 2012! I wish you all a prosperous New Year and hope that the holiday season was enjoyable for you and your family. This past year was very fruitful for the ISTT with a majority of our Affiliated Societies engaged in various activities. Reflecting on 2011, we had an extremely successful 29th International No-Dig Conference & Exhibition, held in Berlin and hosted by the German Society for Trenchless Technology (GSTT).

Executive Director’s Report

John Hemphill

Happy New Year everyone! In 2011, ISTT celebrated its 25th anniversary, and we had much to celebrate. ISTT member societies held many successful education and training events promoting the public benefits of trenchless construction techniques. I was privileged to participate in some of these events and saw firsthand the energy and commitment of ISTT members to trenchless solutions.

Farewelling an innovator

Trenchless industry pioneer and co-founder of Insituform Technologies, Doug Chick, passed away at age 87, after decades contributing to the industry, and will be greatly missed.

Infrastructure Marketing Solutions at Great Southern Press

Great Southern Press is pleased to announce the creation of a new department to help the trenchless industry businesses market themselves.

Under Nashville – big role for trenchless in Nashville’s future

By George E. Kurz, P.E., DEE Barge, Waggoner Sumner & Cannon, Nashville, TN

People in the trenchless industry in the middle Tennessee area are excited about hosting the 2012 No-Dig Show in Nashville in March. Here we take a look at the infrastructure Under Nashville to see how trenchless has helped deliver to the community, and serves as a significant part of the future.

CIPP – where do we go from here?

Dr Dec Downey, Trenchless opportunities ltd

Cured-in-place pipe appears with hindsight as one of the most significant breakthroughs of the last century. Some 50,000 km of cured-in-place pipe has been installed worldwide since 1971. For 20 years the technology was protected by substantial patents and licensing policies. The tight grip relaxed in the 1990s and vigorous competition ensued as new processes and materials were introduced.

Laying it on thick

During the trenchless rehabilitation of a 1,230 m long sewer with 600/900 mm oval profile in Berlin Wilmersdorf, Karl Weiss Technologies GmbH installed a Brandenburger GFRP pipe liner with a wall thickness of 11.9 mm.

Innovative sewer rehab

Since 1998, Innovative Sewer Technologies, whose head office is located in Bochum, Germany, has steadily developed and is now a leading provider of sewer rehabilitation products.

Jubilee in Barcelona

Twenty years after the first Tubetex liner was installed in Barcelona, Spain, the ACSA Barcelona construction company is still employing the Sekisui SPR Europe product as an effective method of pressure pipe rehabilitation.

From felt to glass fibre liners

Since 1982, the Saertex Group has been a leader in the production of glass fibre and carbon fabrics. With eleven manufacturing facilities in seven countries, Saertex employs 800 people.

Do you have what it takes to uphold your required specification?

As a consulting engineer to a municipality or as the owner of a municipal infrastructure do you have what it takes to uphold the ASTM specification of a CIPP product even if it means not accepting the lowest price submitted?

An economical disposal

Trenchless construction sites can produce waste disposal that can be quite costly to remove. This is where the ABS Trenchless BentoVac system can help – removing solids bearing slurries at an economical cost.

Tunnelling success Down Under

The Melbourne Main Sewer Replacement, an historic upgrade of Melbourne’s century old main sewer, has progressed well over the past twelve months and is tracking ahead of its scheduled mid-2012 completion date.

Two cities, one continuous bore

Traversing two affluent US towns, through the suburbs of Fort Worth in Texas and beneath two golf courses, the Fossil Ridge to Arc Park project ranks among the longest continuous bores in trenchless pipeline history.

HDD – the South African experience

by Neil van Rooyen, TT Innovations, Cape Town, South Africa

Here Neil van Rooyen explains horizontal directional drilling in South Africa using three case studies: Berg River Duct Installation, Diep River Water Pipeline Installation and the Bulk Water Main Installation under various roadways for the Mossel Bay Desalination Plant Project.

Drilling in the heart of Cajun country

Michels Directional Crossings successfully completed a complex, highly publicised horizontal directional drilling crossing underneath the Atchafalaya River and the accompanying levee system in central Louisiana, US.

The EXPERTS of Poland

Award submissions are still open for the 2012 No-Dig Poland conference, to be held from 17–19 April at the Uroczysko Hotel in Kielce, located in the centre of Poland at the base of the Saint Cross Mountains.

Get internationally recognised with 2012 ISTT No-Dig Awards

Applications are being accepted for the Annual No-Dig Awards for 2012, presented at the International No-Dig 2012, to be held from 12–14 November in Sao Paulo, Brazil. Applications close 31 August 2012.

5 minutes with Jeff Pace

Trenchless International introduces you to the members of the ISTT Executive Sub-Committee. Here we speak to Jeff Pace from the Australasian Society for Trenchless Technology (ASTT), who has been involved in the trenchless industry for over two decades.

Montreal saves with lining

Sanexen Environmental Services Inc. has successfully completed the rehabilitation of approximately 33,000 ft of water mains for the City of Montreal, located in Canada.

Water utilities in North America

In a continuation of an in-depth look at water utilities around the globe, here Trenchless International looks at parts of both Canada and the US. Where Canadian utilities are under the responsibility of the provincial governments, the US has a mixed structure of both private and public.

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