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The latest news are to be found here.
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| 11.01.2012 |  | 900 m ductile cast iron pipe ND 600 replaced with HD-PE pipe OD 710
In Trondheim, Norway’s third largest City, an ND 600 drinking water transport pipeline, made of ductile and grey cast iron, had to be renewed over a total length of 900 m. The pipeline, originally installed in the late 60s, showed definite signs of wear. Leaks, caused by corrosion and requiring elaborate repairs, were regularly occurred. To assure the water supply for the City it was decided that it was time to renew the 40 year old pipeline. |
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| 25.07.2011 |  | Replacement of an oval profile pipe using the bursting method
In Cologne/Germany an oval profile sewer made of concrete was to be replaced with a new plastic pipe of larger diameter directly at the rear of a building of the higher regional court . Bursting and upsizing this type of pipe is not carried out vey often with the bursting method and proved to be a special challenge. |
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| 27.06.2011 |  | Silent Night Lining with Grundoburst 400S
A GRUNDOBURST 400S was recently used as a pulling device to slipline a 21” cast iron water pipe for a new replacement 450mm SDR17 PE pipe in the Inner City of London. |
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| 10.06.2011 |  | Urban drainage wins trenchless pipe rehabiltion project
You don’t win a pipeline construction measure everyday, but Bettina Linke from the Urban drainage council in Hagen in Germany was the lucky winner of one. The prize included the trenchless rehabilitation of a sewage pipe using the TIP method and applying the Burstform device for long pipe lining through manholes.
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| 19.01.2011 |  | The elixir of life in reliable pipelines
Austrian public utility company Stadtwerke Klagenfurt had to renew 1000 metres of drinking water pipeline within the municipal area. The the old grey cast iron pipes were successfully replaced with ZMU ductile iron pipes using the ipe bursting tecchnique. |
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| 23.07.2010 |  | TIP method with Burstform gains more importance
More than 30 engineers travelled to Salzgitter to gather information about the TIP method. During a demonstration there a pipe length of PE 192 x 13 mm was pulled in through a manhole into an old ND 200 stoneware pipe. The renewal of the sewer over a total length of 412 m was due because of water entering through tears and leaky connections.
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| 19.07.2010 |  | A major pipe bursting task in Geneva
It was a mammoth task for the PIASIO company, a daughter company of COLAS SWITZERLAND had ahead of them in Geneva Meyrin. Applying a GRUNDOBURST, Type 2500 G (250 t pulling force), an over-aged and under-dimensioned 500 mm drinking water transport pipe made of grey cast iron was to be replaced by a 730 mm concrete pipe with a steel core, type BONNA. |
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| 17.09.2009 |  | Large-scale pipe bursting in the brazilian city of Campinas
As part of a large-scale municipal pipe rehabilitation programmen in the brazilian City of Campnias, a 30 year old defective asbestos cement drinking water pipeline was replaced with a new PE pipe ND 63 over 400 m length using the static pipe bursting technique.
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| 14.09.2009 |  | Static pipe bursting using vitrified clay jacking pipes
The city of Phoenix, Arizona, recently undertook a large-scale sanitary sewer static pipe bursting programme utilizing vitrified clay (VCP) jacking pipe as the replacement pipe material. The total project consisted of upsizing of nearly 1.5 km of Ø 300 mm and Ø 380 mm pipes at 3 - 6 m depth within major streets with the usual multitude of utilities. TT Technologies provided the Grundoburst 2500G and technical instruction during the design and construction phases. This project represents one of the most significant uses of the static pipe bursting method with new replacement VCP jacking pipe. |
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| 29.06.2009 |  | Sewer replacement with diameter upsizing
In the face of the tight public cash funds available and the increasing requirement to renew pipes, the municipal sewage company (EBS) of the City of Tuttlingen decided to carry out the diameter upsizing of a sewer, with a length of 120 m along the street “Wagenstrasse” using the trenchless method instead of the open trench method. The Grundoburst 2500G was applied for this sophisticated task. |
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| 27.04.2009 |  | Bursting in Hastings/New Zealand with Grundoburst 800G
Recently contractor East Coast Utilities Ltd replaced a 150 mm clay sewer pipe with 150 mm PVC restraint pipe in Hastings, New Zealand using the Grundoburst 800G. In very close proximity to the host pipe an 11,000 volt power cable was discovered.
(Source: Trenchless Australasia magazine, Issue 18, March 2009) |
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| 22.04.2009 |  | Grundoburst 400S manhole burster establishes UK record
In Barry/UK an old vitrified clay sewer ND 300 has been replaced with a PC pipe ND 250 mm from within an existing manhole using the Grundoburst 400S rig. For the first time in the UK this diameter pipe has been burst out from within a manhole. |
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| 30.01.2009 |  | TT-UK ‘Bursting-Out' in India
The City of Mumbai (Bombay) with a population of about 15 million people has been growing at about 4.3 percent per year. Over the past 50 years, in an effort to develop the urban infrastructure and keep pace with rapid population growth, a high priority is necessary to improve the quality of the water supply and to upgrade the ageing and overloaded sewer networks. As part of this upgrade TT-UK and contracting partner KEPL of Bangaloreare are undertaking the replacement and renewal of 17 km’s of existing clayware sewer pipes in the City of Mumbai |
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| 17.11.2008 |  | TT-UK customer National Grid invests in specialist vehicles
TT-UK customer National Grid has placed an order for 10 suction excavator vehicles with Hitachi Capital Commercial Vehicle Services. The specialist vehicles will enable the utility provider to carry out their national gas pipe replacement programme with minimum disruption to local communities while maintaining excellent health and safety standards. |
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| 25.04.2008 |  | Enthusiastic pipe bursting users in Poland
Pipe bursting is a method for replacing damaged pipes which are no longer statically stable. It is applied where repair or renovation is no longer economically viable. Poland is one of the countries where the Grundoburst technique from TT has won many new friends. As part of a pipe bursting project in Glagow, a 500 mm diameter grey cast drinking water pipe was replaced with a SLM pipe 500 x 45,4 mm |
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| 16.03.2008 |  | Vienna water pipe - EUROfit with pipe bursting
The water works in Vienna had the task of replacing a 100 year old grey cast iron pipe in the Main Prater Alley. The pipeline is situated close to the Ernst Happel football stadium, which will be used during the European Football Championship 2008 and therefore it’s service is very important, espcially as the EURO 2008 emergency centre runs via this water pipe.
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| 10.03.2008 |  | Pipe exchange with Grundoram under highway in Saudi Arabia
In late 2007 a special pipe ramming project was carried out in Saudi Arabia. The task was to pipe-exchange an installed 30” sacrificial steel casing and to replace with a new steel 30” oil pipeline 110m under the main highway between Damman and Riyadh. |
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| 18.01.2008 |  | Pipe bursting 250 km north of the Arctic Circle
At first a pipe bursting task north of the Arctic Circle is hardly conceivable, but it really did happen in Swedens most northern community Kiruna. Contractor Oden AB replaced a cement coated grey cast iron water pressure pipe ND 500 with a PE pipe OD 500 in a depth from 4 to 5 metres using the Grundoburst 1250 CP. |
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| 20.10.2007 |  | Pipe burstinng in Austria
Austrian contractor Fürholzer GmbH successfully repalced an old rainwater sewer ND 300, made of steel armoured concrete with a PE pipe ND 400. The old pipeline was neither stati-cally or hydraulically in accordance with today's requirements. Even the manholes had to be renewed. |
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| 12.09.2007 |  | First task for Grundoburst 2500 G in Russia
Russian contractor MUP Wodokanal from Klin had the task of renewing an open slope sewage pipe, trenchlessly at a depth of 1,50 to 7,00 m using the static pipe bursting method. The pipe to be replaced was a steel-armoured concrete pipe ND 560 damaged by corrosiveness and breakages. |
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