The plant-site WorleyParsons Geotechnical Group played a major role in this LNG project, responsible for geological mapping, design, the execution and interpretation of geotechnical investigations, sourcing construction materials, foundation design including earthquake analysis, and advice throughout construction. The nearshore and onshore geotechnical investigations recovered more than 700 m of high quality core over 4,400 man-hours without any lost-time incidents.
The flowline involves the transport of gas from the Pluto manifold on the continental slope (~830 m water depth) to the Pluto riser platform on the outer continental shelf (~85 m water depth). WorleyParsons geotechnical engineers and engineering geologists used field and laboratory data to produce a comprehensive geotechnical model encapsulating the varying conditions and design parameters along the flowline in a clear and accessible format.