Geotechnical Design

Longitude provides specialist capabilities in geotechnical engineering and geoscience services, offering a comprehensive package of front-end project activities, design and analysis consultancy services, enabling us to mitigate ground risk at all stages of a project.

Our specialist engineers bring significant experience across all offshore energy sectors, including offshore Renewables’ projects.

Foundation Design

Our geotechnical design services are compliant with the latest regulatory guidance.  We offer a bespoke service for our clients, providing all necessary studies for the mitigation of geotechnical risk.

  • Basis of Design – including guidance on selecting the optimum foundation solution for a given set of conditions
  • Concept, FEED and detailed geotechnical design of shallow and deep foundations
  • Skirt penetration assessment for shallow bearing foundations
  • Penetration resistance of suction installed piles
  • Pile driving assessment considering up to date recommendations on calculation of resistance
  • Pile driving hammer recommendations and efficiency optimisation
  • Scour Assessment
  • Liquefaction and seismic studies
  • Settlement Assessment
  • Pipeline stability

Construction and O&M

Our design services continue through to the later stages of a project to ensure sound geotechnical design throughout a projects lifecycle.  Our services we offer our clients

  • Recommendations and design of installation support requirements
  • Back analysis of installation data
  • Leg penetration analysis for vessel movements with V-H interaction and leg extraction assessment
  • Anchor Penetration studies
  • Scour protection studies
  • Ongoing support for cable burial and protection
  • Final decommissioning support

Key Contacts

Lead Geotechnical Engineer

Newcastle, Longitude

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Case Studies View All


Longitude Engineering has the people and the skills to support our clients when they need it most. A ship’s technical superintendent has to look after the whole programme of…


Longitude Engineering were contracted by A&P Falmouth, to provide support to their client, Condor Ferries, ahead of the impending enforcement of International Convention for the Control and Management of…

MOPU LEG to MAT Re-Assessment, Repair Engineering and Repair Assistance

The MOPU Sepat was converted in 2011 from the mobile self-elevating platform “GPS PRODUCER 1” by Longitude. It was designed, developed and manufactured by Baker Marine Corporation as a…