Trenchless Australasia

September 2008

TAG goes online

ASTT has launched TAG, a web-based tool for identifying trenchless construction methods suitable for a particular set of project attributes.

Kembla celebrates 15 years

Kembla Watertech, the company that introduced the Ex lining to Australia, is celebrating fifteen years as a specialist Trenchless Technology company.

2009 shaping up to be huge event

Preparation is well underway for Trenchless Australasia 2009, the 8th National ASTT Conference and Exhibition taking place in Melbourne from September 20-22, 2009.

No Dig goes to Moscow

In early June, delegates from around the world, including locals Jeff Pace and Chris Bland, made their way to Moscow for the 2008 International No Dig.

Singapore International Water Week

The first Singapore International Water Week took place in June and was a global platform for the discussion of water solutions. Policy makers, industry leaders, experts and practitioners, including many local faces, came together to address challenges, showcase technologies, discover opportunities and celebrate achievements in the water world.

Are you listening? Public participation in infrastructure planning and delivery

Anna Grutzner

Dealing with the public is an integral part of the trenchless technology industry. Anna Grutzner recently spoke about public engagement in infrastructure in infrastructure planning and delivery at the Trenchless Australasia conference. Below, Ms Grutzner outlines how public consultation can benefit the industry.

Trenchless ensures cleaner oceans for Guam

The deep ocean outfalls of Guam’s Northern District and Agana Wastewater Treatment Plants (WWTP) are in the process of being extended by Trenchless Technology.

Project Hobson: strength to strength

A high performance tunnel boring machine (TBM) - nicknamed Te Kaha, literally ‘the strength’- is boring a 3 km tunnel crossing Auckland’s Hobson Bay.

Microtunnelling Christchurch’s Ocean Outfall Pipeline

Microtunnelling has been used at the construction of an ocean outfall pipeline in Christchurch, New Zealand to transfer treated wastewater from the existing treatment ponds at the city wastewater treatment plant to diffusers located 3 km offshore.

Relieving Rosanna: boring works for Yarra Valley Water

Melbourne’s largest water business Yarra Valley Water found that branch sewers located with the North Yarra and Rosanna Sewerage Catchment Area Plan (SCAP) were unable to contain sewerage during storms, resulting in the need to construct a $A3.5 million relieving sewer via trenchless technology.

A centenary of service rewarded with Trenchless Technology

The Melbourne Main Sewer Replacement (MMSR) is a vital infrastructure project employing Trenchless Technology to meet the future growth of Melbourne.

Pipe jacks storming ahead in Queensland

As a result of the Australian Infrastructure boom, Tunnel Boring Australia (TBA) has completed over 20 pipe jacked tunnels in the last 18 months with diameters ranging from 1,350 mm to 2,400 mm diameter for a variety of disciplines and clients on the eastern coast.

Golden run for Winslow

Winslow Infrastructure Tunnelling Division have successfully completed three significant microtunnelling projects for the GCDA.

Kembla’s continued renewal

Kembla Watertech’s Water Renewal Division has continued to expand since the division was established eighteen months ago.

Silent but deadly: the new JT3020 packs more punch, creates less noise

The Ditch Witch organisation is introducing a horizontal directional drill (HDD) that builds on the success of its popular Ditch Witch JT2720 Mach 1 unit. The new JT3020 Mach 1 is an extended-range machine with a 148 horsepower (110 kW) engine, increasing power through tough drilling conditions at less than 82 dBA to the operator’s ear.

Direct Pipe: the latest innovation in pipeline construction

What do you get when you cross microtunnelling with horizontal directional drilling? Herrenknecht introduces the Direct Pipe, a new trenchless method combining microtunnelling and HDD techniques for a more efficient pipe installation technique.

Devereaux Excavations purchases Australia’s first Grundodrill 4X

Tasmanian company Scott Devereaux Excavations Pty Ltd has recently acquired a Grundodrill 4X Horizontal Directional Drill from TT Asia Pacific. The drill is an exciting addition to Scott Devereaux Excavation’s growing trenchless technology service.

BTB: directional drilling all over Australia

Offering consulting and project management services for underground locations, including pit and pipe installations, BTB Australia has won a number of recent contracts around the country.

Coe Drilling successfully completes PNG river crossing

In early 2008, Ok Tedi Mining contracted Coe Drilling to undertake the Ok Tedi River crossing project, entailing the construction of a 500 m long DN 200 steel mine waste tailings pipeline beneath the Ok Tedi River to transport the mine waste to a newly constructed tailings dam on the west side of the river near Bige in Papua New Guinea.

Spot the difference: Interflow’s Interpatch

There are many pipeline repair and renewal methods now available to clients. Experienced pipeline rehabilitation contractors have the capability to offer multiple solutions. The challenge is to ensure that the right solution is offered for the specific circumstance at hand.

Lateral Launch: A new age in CCTV performance

Lateral Launch camera systems have reached Australia’s shores, combining the concept of a mainline inspection system with a lateral system, allowing the operator to inspect a complete network from a single inspection point.

Making Sense of Mixed Ground

Desiree Willis

Selecting the correct specialised cutting tools is highly dependent upon ground conditions, Desiree Willis, of the Robbins company, considers some of the options.

Use of Geophysical Techniques to Investigate River Crossing Alignments

An understanding of the river bottom profile and the ground conditions beneath it are essential to produce a good drill path design, as without this information being available there is an increased risk that problems will develop either during construction or operation of a pipeline.

ORFEUS: testing a new bore-head GPR for HDD equipment

The Optimised Radar to find Every Utility in the Street (ORFEUS) is a collaborative research project aiming to improve the performance of Ground Penetrating Radar (GPR) and develop a new radar to provide look-ahead capability for HDD equipment.

Utility asset location: learning the way

The National Utility Locating Contractors Association (NULCA) has established a Utility asset location course, designed to provide a safer work environment for the general public, excavators and all people in the civil works and underground service locating industry.

Navigating the underground maze

Greg Ehm

Locators and vacuum excavators go hand in hand when locating underground lines.

A quick guide to contracts (part one)

Arch Fletcher

Participants in the construction industry have to deal with a wide array of project delivery models and contracts. Arch Fletcher, a partner of Clayton Utz with a special interest in construction, engineering, procurement and maintenance, looks at the key feature of some of the more commonly used contracting models. The following is the first in a three part series, and will cover construct-only, schedule of rates, and design and construct contracts.

Contract strategies for the delivery of sewer rehabilitation projects

Sewer rehabilitation works are different. They contain unique challenges and risks that are not present in standard construction projects. As such, contract approaches that are used for standard construction activities often do not work when applied to sewer rehabilitation works. There is a need to develop contract strategies specifically for sewer rehabilitation works.

IIDI: a strategic model for infrastructure procurement

Greg Wright and Ben Smith

Greg Wright and Ben Smith from Arcturus, Innovative Procurement Solutions Pty Ltd explain the Integrated Infrastructure Delivery Initiative (IIDI), a strategic procurement methodology catching the eye of infrastructure investors by bringing the balance back into the client/contractor relationship.

Next generation CIPP lining system sets new benchmark

Insituform’s next generation pipe lining system, iPlus Infusion, has arrived in Australia – the gap has finally been filled.

ROVVER cameras upgrading for SECA

During the last two and a half years the ROVVER Product line from iPEK Spezial-TV in Austria, distributed in Australia and New Zealand by Sewer Equipment Company Australia (SECA), has undergone a full product relaunch with several new features.

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