No Dig 2017

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Summer edition of Trenchless International now online

June 19, 2017 , , , , 0

The latest edition of Trenchless International is now available to be read online.

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Robbins TBM excels in the Andes

A 4.56 m Robbins Double Shield tunnel boring machine (TBM) has been launched in Andean Mountains, Chile, where it has already completed large sections of a 12 km intake tunnel as part of the Los Condores Hydroelectric Project (HEPP).

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Dunstans completes HDD on the Australian coast

In 2015, Australian horizontal directional drilling (HDD) contractor Dunstans Construction Group successfully managed the Anglesea WRP Outfall Replacement – a trenchless project to install a 700 m long pipeline on the Surf Coast, 120 km southwest of Melbourne, Victoria. Using a 250 t Herrenknecht HDD rig, it constructed a sea outfall as well as installing the pipeline from the project site to the local water treatment plant.

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Deep Trekker facilitates small town’s CCTV

A small town in Canada has taken control of the CCTV inspections of its 89 km of underground infrastructure by investing in its own inspection system, the Deep Trekker DT340 pipe crawler.

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German project completes world first in wash boring

Dutch horizontal directional drilling (HDD) specialist Visser & Smit Hanab has collaborated with a collection of European contractors to complete a ground breaking project, using wash boring to replace a damaged pipeline underneath the Spree River, Germany.

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A pipe cracking effort

Australian trenchless expert Harris Civil has completed a challenging pipe renewal project on the outskirts of Melbourne, Victoria, relying on the power and dependability of a TRACTO-TECHNIK Goliath machine.

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Technical paper: fluidic drag estimation in HDD

The following is an excerpt from a larger research paper that proposes a new method for evaluating hydrokinetic pressure and fluidic drag changes during pipe installation operations using horizontal directional drilling (HDD). The method is based on applying the solution of eccentric annular flow using the finite volume method (FVM) to the HDD case.

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Spring edition of Trenchless International now online

The latest edition of Trenchless International is now available to be read online.

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Reline Group expands to North America

The RELINE UV Group, a leading manufacturer of UV light-curing glass-fibre reinforced hose liners and UV equipment, is currently seeking partners for an expansion into North America.

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Professor’s HDD study wins research award

February 13, 2017 , , , 0

Professor Wu Xiaoming and his research team at the China University of Geosciences developed a series of effective scientific methods to efficiently and safely install underground utilities using horizontal directional drilling (HDD) in a range of complex subsurface conditions.

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Iseki Poly-Tech MBM wins new machine award

Japanese tunnel boring machine (TBM) manufacturer Iseki Poly-Tech was awarded the New Machine Award for a micro-tunnel boring machine (MTBM) designed with the ability to retract and be redeployed in the same bore.

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Brandenburger overcomes obstacles on relining project

Brandenburger and AKWA have celebrated the completion of a technically and logistically challenging relining project in Poland’s second largest city. The €400,000 (US$420,000) project featured obstacles such as confined space, harsh weather conditions and equipment failure, which made eventual success all the better.

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Technical paper: Site investigation based on return flow in HDD

January 30, 2017 , , , 0

The following article explains the importance of using appropriate site investigation (SI) methods to prepare for horizontal directional drilling (HDD) projects, and describes one particular project in the Netherlands where pilot bores were used to gather appropriate geological information ahead of full-scale HDD works.

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Hawaii completes its largest wastewater tunnelling project

In June 2016 boring was completed on Hawaii’s largest ever wastewater tunnelling project, which has been designed to increase storage capacity of the region’s wastewater system and reduce the likelihood of overflow. The project also marks the first time in Hawaii’s history that a tunnel boring machine (TBM) has been used to excavate a wastewater tunnel.

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Construtora Passarelli wins ISTT Award for new installation in Rio

Construtora Passarelli was recognised with the Project Award (New Installation) for installing a pressurised sewer collection pipeline to link the existing sewer systems on the beaches of Copacabana and Ipanema in Rio de Janiero, Brazil. The project work was completed in time for the 2016 Olympic Games.

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A.Hak Leidingbouw wins ISTT Award for rehabilitation project

A.Hak Leidinghouw was given the Project Award (Rehabilitation) for its completion of the Schoonebeek Pipeline Rehabilitation in the first half of 2016. The unique pipe-in-pipe rehabilitation project was completed on an existing 45 km pipeline in Schoonebeek, the Netherlands.

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Event report: International No-Dig Beijing 2016

January 30, 2017 , , 0

The ISTT held its annual International No-Dig Conference and Exhibition in Beijing on 10-12 October 2016 in Beijing, China. Trenchless International reviews some of the event’s most memorable moments.

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Winter edition of Trenchless International now online

January 18, 2017 , 0

The latest edition of Trenchless International is now available to be read online.

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Channeline International at work in Winnipeg

When two egg-shaped sewers exhibited signs of advanced structural distress, city officials in Winnipeg, Manitoba, turned to trenchless rehabilitation methods and customised Channeline International manufactured GRP panels to complete a full rehabilitation.

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Interview: Simon Senior, All About Felts

October 25, 2016 , , , 0

Simon Senior, the Commercial Director of Applied Felts discusses the history of the company, memorable projects, and the future of the CIPP industry.

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Bidding on the run

The City of Atlanta is completing a US$300 million tunnel installation and water system revitalisation program using the Construction Manager at Risk (CMAR) delivery method, which see the continuous release of bidding components as designs are developed.

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Singapore’s wastewater future

Singapore Public Utilities Board’s (PUB) Deep Tunnel Sewerage System (DTSS) is a two-stage
US$7.3 billion project designed to meet the country’s needs for used water collection, treatment, reclamation and disposal.

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Contractor completes Finland’s largest sewer project

September 27, 2016 , , , , 0

In May 2016 Putkistosaneeraus Eerola Oy and Brandenburger successfully completed the largest sewer rehabilitation project ever undertaken in Finland, installing a 96 tonne DN1350 liner and minimising disruption to the bustling metropolis of Helsinki.

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Sewer lining under the cloak of darkness

In 2015, A-1 Total Service Plumbing completed its most complex project to date – the relining of a
200 m, 25 cm clay pipe at the Los Angeles International Airport (LAX).

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Fall edition of Trenchless International now online

The latest edition of Trenchless International magazine is now available to be read online in a digital flipbook.

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