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News
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The latest news are to be found here.
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26.07.2010
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House connections installed with minimal invasion using the trenchless Keyhole Technology
The increasing sensivity of the residents affected, impairment of local infrastructure and mobility restrictions caused by installation projects using open-trench method are the driving force behind furher developments in trenchless installation technology. The sophisticated Keyhole technology for the trenchless installtion of service lines reduces surface disruption to a minimum.
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05.05.2010
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Long HDD bore for the Garzweiler mines
Once again the bore team around Helmut Schürmann and Michael Foltin from the bore company REVOR were confronted with what was not an everyday task. Foltin is a casual character, well known for his phlegmatic calmness, but also for his knowledge and experience. He has been with REVOR since 2005 and very experienced with the GRUNDODRILL 15 N...
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18.03.2010
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12.01.2010
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Trenchless installation of a new house connection sewer
The wastewater connection of a family home in Wildeshausen/Germany indicated some fractional damages, causing it to block regularly and then constantly needing to be rinsed free. Due to this reason a decision was made to install a new sewer.
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27.08.2009
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20.08.2009
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EON connects the island Helgoland to the power network
Up to now power was supplied to the island of Helgoland in the North Sea via Diesel power engines which were starting to age. The 7 million litres of Diesel consumed annually are omitted in the future and also 17.500 tons of CO². Now a 20 million Euro project has been set up to connect Helgoland to the European power supply network. For this reason a 51,7 km long pipeline was installed within only 12 days from the land-based city of St. Peter Ording to Helgoland.
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23.07.2009
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Constructing an underpass below a box culvert using Grundoram
Construction company Dragages from Singapore was contracted to shore and construct an underpass below a huge box culvert and parallel to a technical tunnel in Singapore Marina Bay using the Grundoram Gigant steel pipe ramming machine. The size of the underpass is 12 m in width, 7 m in height and 12 m in length.
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29.06.2009
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Grundodrill 15 XP installs district heating pipe
The castle Laer in Meschede in Germany, which was the ancestral seat of the Duke of Westphalia Fuerstenberg, is to be converted to district heating during the next heating period. The oil heater will then be switched off, but not completely dismantled. The district heating is to be supplied by a wood-fired heating station providing a heating power of 600 kW.
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21.04.2009
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Prime Drilling rig used for high-standard HDD project
Mears Group Inc. recently installed a 10-inch (254 mm) steel pipeline in the city limits of Billings/Montana (USA) using an HDD rig built Prime Drilling and specially custom designed for Mears. The 1,635-foot (500 m)line replaced the existing product line to make way for a road expansion project at Airport Road.
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03.03.2009
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House connection with Grundobore 200S auger boring system
On a property next to the TT premises in Lennestadt´/Germany a house connections had to be completely re-installled. The TT crew carried out the complete replacement of the pipeline with a new one using its Grundobore Type 200 S pilot auger boring system.
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25.02.2009
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Spectacular undersea HDD recovery with Grundoram
TT-UK were contacted by the Middle East specialist HDD Contractor Digital Connection Co Ltd of Al-Khobar, Kingdom of Saudi Arabia (KSA). They sought technical advice and assistance in the recovery of a 42” hole-opener that had become stuck along with the 3 km drill string beneath the seabed during a pre-ream pass on the second of two under sea pipeline crossings. Grundoram Taurus came to the rescue on the worlds longest undersea HDD recovery operation...
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24.02.2009
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19.12.2008
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Grundomat success in Oman
Due to the increased demand for Broadband Telecommunications and Internet access the Oman Fiber Optic Company has been challenged with the task of laying a fibre optic cable network into the major cities of Muscat and Sohar and the entire Batinah Region...
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15.10.2008
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Underwater bore - 400 m out to the Baltic sea
In the german holiday resort Kühlungsborn, the Baltic sea supplies the mineral water for a public wellness swimming pool at the beach hotel Morada , which is currently being built. Suction and outlet pipes ND 160 made of PE provide access and discharge via the sea.
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26.08.2008
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192 m district heating pipes installed with HDD system
In the lower Saxon region Hessisch Oldendorf in Germany - a town with approximately 20.000 inhabitants on the River Weser - the company E.ON Westfalen Weser Energie-Service GmbH, Kirchlengern, is building a biogas plant. The plant will produce 11 million kilowatt hours of power annually. 13.000 t of corn and 3.000 tons of crop, as well as liquid manure, loppings and kitchen waste are required each year.
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02.07.2008
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Grundopit 40/60 working for County Council in Ireland
Shareridge Limited, a utility contractor based in Waterford contacted TT Ireland to carry out a demonstration using a Grundopit 40/60 mini-directional boring system for the project they are currently employed by Waterford County Council. The demonstration consisted of boring beneath terrace properties in the Pearse Park and German Road area of Waterford to replace the existing lead water services with a new 20mm PE water pipe
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18.03.2008
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Spectaclur cable plow application
Installation of a new drinking water pipeline from an elevated tank to supply a youth hostel and a lodge near the ski lift in the winter sport region of Schmallenberg in western Germany.
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17.03.2008
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Challenging Grundodrill 25N job in Germany
Huge pipes underneath narrow streets - The cross-town link in the small town of Mülhausen in Germay recently was the stage for a spectactular HDD application where the company BLK installed a drainage pipe ND 700.
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22.01.2008
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Curved bore expanded to 570 mm over 75 m
Even carrying out relatively short HDD bores can be a pretentious challenge, as was the case in Issenbütten near Braunschweig in Germany. The contracor had to install a 400 mm protection pipe for a 315 mm drinking water pipeline in a residential area over a length of only 75 m in a sharp S-curve using the HDD method.
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14.01.2008
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Rock drilling below motorway
Contractor NWR carried out a challenging bore task with Grundodrill 15N. A deep level bore had to be established below the A45 motorway through an exisiting dip. The new drinking water pipe (HD-PE OD 125 mm) is supposed to connect the City of Münzenberg with the suburb Trais.
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11.01.2008
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Tricky HDD bore under a motorway near Cologne
The pre-construction works for the expansion of the A1 motorway near Cologne included two parallel bores (1 x OD 450, 2 x OD 160 as a bundle) over 138 m length below the motorway using the Grundodrill 15N.
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10.01.2008
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Pipe installation underneath lake Müritz/Germany
The current capacity of the power supply network had to be increased to ensure the supply for an expansion of an industrial park in Malchow near the lake Müritz the province of Mecklenburg-Western Pomerania. A pipeline below lake Müritz with a length of 350 meters which had already installed in 1998 using the HDD method was not able to cover the current requirements sufficiently in peak times. Thus additional power cables with cross-section of 150 mm² each had to be installed in three 160 mm HDPE protection pipes.
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19.12.2007
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Grundodrill 15N installs 450mm PEpipe parallel to main road
The drinking water supply network in the comminity of Steinhagen/Germany had to be extended. The exisiting transport pipe OD 300 was to be closed down, but so that it could be re-activated at any time. The new PE drinking water pipeline OD 450 was to be installed in 3 con-struction sections over a length of 3,6 km, mostly parallel to a 30 year old grey cast iron pipe.
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03.12.2007
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Challenging HDD rock bore in Germany
German contractor Meyer & Meyer had to fulfill a special task: the installation of a pipe bundle consisting of two protection pipes HDPE Ø 160 mm, a HDPE gas pipe Ø 110 mm and a HDPE drining water pipe Ø 160 mm over a distance of 90 m through the rocky soil underneath a little river.
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30.11.2007
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Grundoram builds train tunnel roof in Bejing
As part of Beijing's infrastructure projects for the Summer Olympics 2008 a light railway connection between the City and the Capital Airport is being built on be-half of the Beijing Railway Burea. The tunnel roof was built using the pipe ramming technique.
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03.10.2007
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Grundopit S - Accuracy beyond doubt
TT UK Ltd we were recently approached to assist with a trenchless solution to install 110mm OD Gravity lateral connections on a new sewage scheme. Site constraints included 1050mm diameter concrete rings and 600mm square manhole covers. The biscuits and lids were already installed. Due to the lateral having a gravity requirement the most crucial constraint was the accuracy of installation over the entire length. The GRUNDOPIT S manhole version is dedicated to this precise application.
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06.08.2007
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Grundoram undercrosses Trans Pennine gas pipeline
A 52 km section of Trans Pennine pipeline is one of four new sections of high pressure pipeline to be installed on behalf of National Grid, this is part of programme to transport gas from the Norwegian owned Ormen-Lange North Sea Gas Field to the new Gas Import Terminal at Easington, England. The project comprises 52 km of 1200 mm steel pipeline which crosses beneath 23 roads, 2 railway lines and a number of main rivers. The Grundoram Goliath was deployed to undertake several of the under road and canal crossings on this pipeline route.
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