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New platforms ease water work

SITE INVESTIGATION contractor Foundation & Exploration Services has launched a new service to overcome the problems of investigating inland waterways.

The site investigation contractor now has specially built platforms and floating craft that can be equipped with either rotary coring or cable percussion rigs adapted for work overwater, dependent on location, water depth and ground conditions.

From the platforms, drilling, insitu testing and sampling can be carried out, even in situations where a jack-up platform may normally be considered, the company claims.

Boreholes up to 60m deep can be drilled from the pontoons, even up to large diameter wireline coring for high quality core recovery. FES says pontoons are less expensive, more widely available and can be more versatile than jack-ups, especially where water depths vary.

The firm has recently carried out a variety of overwater contracts, including investigations for bridge widening, in reservoirs and canals and for weir construction.

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