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Murphy International
Location: Ballymoney, Northern Ireland.
Job Description: Installed 240 metres of 6” steel pipe for the Northwest Pipeline beneath the river Bann.
Drilling Method: Wireline tracking with mud motor and rock roller bits. Working Depth was 13 metres.
Ground Conditions: Rock and bolder clay
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McAvoy Construction Ltd
Location: Dundalk, County Louth.
Job Description: Supplied and installed 190 metres of 560mm duct for a pumping main beneath two roads gardens and buildings. Working depth was 8.4 metres.
Drilling Method: Jetting assembly and fly cutters
Ground Conditions: Running sands and silts, saline intrusion.
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Tristway Ltd.
Location: Arklow, County Wicklow.
Job Description: Supplied and installed 150 metres of 315mm duct from land to sea for the power cable coming from the off-shore wind farm. Working depth of 15.4 metres beneath the sea bed.
Drilling Method: Wireline tracking with jetting head and aggressive fluted reamers.
Ground Conditions: Running sands/gravels, peat and clay.
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B. Mullan & Sons Ltd.
Location: Limavady, County Derry.
Job Description: Supplied and installed 170 metres of 250mm foul sewer to a grade of 1.0 percent beneath a SSSI site. Working depth of 7.0 metres.
Drilling Method: Jetting assembly and fluted reamers
Ground Conditions: Running sands/gravels, and clay.