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Call: 07780 675606
10 years’ industry experience
Own plant and experienced team
Range of services provided
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WhereForestmill.
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WhoClyde Ground Investigation were subcontracted to SGN (Scotia Gas Networks) to carry out a full ground investigation package.
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WhatWe undertook comprehensive ground investigation works to facilitate the re-routing of a high-pressure gas main that had become exposed due to riverbank erosion. Over approximately three weeks, our team, consisting of drill crews and a supervising engineer, conducted various investigative methods, including trial pits, cable percussion, and rotary drilling, along the proposed new route of the gas main.
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Project scope and executionThe primary objective was to assess the ground conditions to support the re-routing and directional drilling of the gas main through farmland and the edge of a quarry. A small river, which separates the farmland from the quarry, had experienced significant erosion during winter spates, exposing sections of the current gas main. We deployed our in-house resources to: Establish a site compound Coordinate with landowners Conduct all ground investigation activities Specialist low ground pressure equipment was used in certain areas due to wet surface conditions.
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Investigation detailsTrial Pits: 13 pits were excavated to a depth of 4.5 metres. Boreholes: 6 boreholes were drilled to a depth of 20 metres. All laboratory testing was outsourced to external laboratories. Upon completion, we provided a factual report and an AGS (Association of Geotechnical and Geoenvironmental Specialists) data set to our client.
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Coordination and communicationLand access was arranged by SGN, with Clyde GI managing the liaison with each landowner to coordinate movements to each drilling location. This comprehensive investigation ensured that the necessary data was collected to proceed with the safe and effective re-routing of the high-pressure gas main.
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