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Norwest Holst Soil Engineering

Site investigation contractor Norwest Holst Soil Engineering had to design and build a 7m long cantilevered platform to drill a borehole off the edge of a wooden jetty at Bruichladdich on the remote Hebridian island of Islay.

The platform was counterbalanced with drill tanks and enabled coring up to 15m into the Gneiss bedrock. As part of the investigation the firm, working for client Argyll and Bute Council and its consultant Posford Duvivier, also commissioned a hydrographic survey over a hectare of the harbour and grab sampling from the sea bed.

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