Kembla Watertech recently undertook a project rehabilitation project in such environmentally sensitive conditions that a helicopter was called in to complete the job and ensure the preservation of the natural surrounding environment.
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Pipeline rapidly restored with Rotaloc
The availability of the Rotaloc system for trenchless structural lining of large diameter deteriorated sewers and stormwater pipelines has been welcomed by Australian water authorities and it is being increasingly used on projects that previously would have required disruptive excavation.
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Small diameter hard rock excavation: comparing the methods
Contractors throughout the world often find that boring through hard rock is challenging. The degree of that challenge is highly dependent on the type of trenchless tool utilised and the type of geology excavated.
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Rock-Solid Drilling Tips
Patience, planning and preparation are rock-drilling essentials.
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Aquamine makes light work of main sewer bypass
When Drilline won a contract to refurbish approximately 3 km of 685 mm sewer main along the foreshore of the Swan River, they knew they faced some major challenges.
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The status and the challenges of lifelines in Japan
The usual array of underground utility pipes can be found in Japan, including electricity, gas, sewer, water supply and telecommunications.
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Water pipeline installation by cable ploughing
Cable ploughing is a Trenchless Technology which is steadily growing in use in Australia, and is effectively used by many companies around the world.
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Innovative pipeline rehabilitation solutions
Insituform has been synonymous with pipeline rehabilitation since 1971 when the company developed and installed the first ever CIPP liner in a 900 mm x 600 mm oviform sewer for Thames Water in the UK.
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Tunnelling Down Under
Tunnelling and underground construction projects continue to boom in Australia and New Zealand, driven largely by the rapid urbanisation of capital cities.
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Betek – growth on a solid basis
Headquartered in Aichhalden, Germany, Betek emerged in 1981 from the company Karl Simon, which originally finished components for the traditional local watchmaking industry. Betek achieved its first market successes with tungsten carbide tools for coal mining. These tools featured extremely high resistance to wear, excellent penetration, ensuring outstanding overall performance.
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Sewer rehabilitation in Botany
The rehabilitation of large trunk sewers is rarely easy. When the sewer is a 90-year-old above ground concrete box structure with an unusual internal geometry on a horizontal curve and with major problems including leakage at moving joints and active horizontal cracks, then the task is made even harder.
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Pipe jacking in Japan
In March, Okumura Corporation completed a lateral side-connection on the Naruo Number 2 Rainwater Main, a 3,000 mm shield tunnel located in Kaname-cho Minami-ku, Japan, using the Yadokari-kun pipe jacking method.
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Automated inspection devices for large combined sewers
The Emscher sewer system, an open surface wastewater system in Germany, is currently being reconstructed, involving the construction of a new underground sewer. Automated inspection devices being developed by Emschergenossenschaft and the Fraunhofer Institute will make it possible to forecast the future rate of deterioration of the tunnel structure and its function.
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Vermeer dealer remains committed to Trenchless Technology equipment market
Employees of Vermeer Australia recently attended HammerHead factory training on Trenchless Technology equipment and processes including pneumatic boring, pipe bursting pipe ramming and HDD assist.
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SewerData puts project information online
ProjectMax Ltd has developed SewerData to improve the management of wastewater investigation and rehabilitation projects.
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Coe Drilling completes Caboolture River Crossing
Coe Drilling has successfully completed the 650 m long Caboolture River Crossing, in Queensland, which was contracted by the Caboolture Shire Council in late 2006.
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Ask Bill Goodman…
Working on Sydney Water's gravity sewer pipe network in the early 1990s, when looking for information about a critical sewer, one was often told to "÷Ask Bill Goodman', writes Lance Horlyck.
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Mixing flexibility and performance
Expanding its drilling-fluid supply systems for HDD equipment, Vermeer has introduced the MX240 Modular Drilling Fluid Mixing System.
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Underground surveillance made easy
Underground surveillance is a vital part of trenchless installation and rehabilitation, and Radiodetection offers a range of products to make this task safer, quicker and more cost effective.
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GrundoBurst rapidly replacing Sydney water mains
The Sydney Water Main Replacement Program commenced last year when Collex purchased their first GrundoBurst 400G machine, which has been achieving daily averages of 200 to 240 metres, with these results and the demonstrated reliability of the unit, a further Grundoburst 400G machine was purchased and added to the Collex equipment fleet.
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Sewer and drain cleaning using recycled water: a win-win situation
There is an urgent need to conserve our precious water and start recycling this valuable resource. Using recycled water, grey water, river or creek water or even raw sewage to clean sewers/drains is one way to do this and has been an option for over 25 years.
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JB Sales – products in action
Winslow Infrastructure recently purchased an American Auger 60 - 1200 G2 Auger Borer from Australian distributor JB Sales International.
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When size is important
Kembla Watertech recently completed two large sewer augmentation projects as part of South East Water's Branch Sewer Program.
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Sydney seminar: not to be missed
Preparations are well advanced and registrations are growing for the next ASTT seminar. Scheduled to take place at the Sydney Marriott on Friday, March 9 the seminar coincides with the Australian Water Association conference earlier the same week, giving water industry professionals the chance to get two events out of the one trip.
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Drilling fluids: back to basics
With advances in HDD technology and equipment it is easy to forget the basics - particularly when dealing with the fundamentals of the testing and concepts used in HDD drilling fluids.
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Trenchless Technology in the Australian Outback
You cannot get much more outback than Mount Isa. Located 900 km west of Townsville and 1,900 km northwest of Brisbane, Mount Isa is the most important industrial, commercial and administrative centre of inland Queensland, Australia. It is also the site of a recent challenging Trenchless Technology project undertaken by Kembla Watertech.
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