Nigg South Quay Redevelopment, Cromarty Firth

Icon for Civil Engineering

Civil Engineering

Icon for Ports & Harbours

Ports & Harbours

Icon for Scotland


Featured Image for Nigg South Quay, Cromarty Firth


Global Energy Group




60 weeks

D&B Partner

Arch Henderson

Nigg Energy Park has one of Europe’s largest dry docks.

Nigg Energy Park is a 240-acre dry dock and fabrication facility situated on the Cromarty Firth, north of Inverness.

The facility was originally developed for oil rig production in the 1970s and has fabrication and warehouse buildings, as well as extensive yard space.

Severe corrosion of the existing quay wall had caused issues with the berthing capacity along with reduced heavy lifting facilities at the quayside.

The site was also being developed to meet the needs of the offshore renewables sector.

Design &

Design & build of a new facility for the inspection, repair, and maintenance of oil rigs and FPSOs.

Works involved the reconstruction of the south quay berth which included the installation of 360m of new combi-pile quay wall approximately 2m in front of the existing wall. This was installed first to provide a stable defence beyond the limits of the existing quay wall.

Following the completion of the new quay wall, we also created an additional 142m long finger quay, which allows for additional berthing, using tied pile walls. We constructed the finger quay through a reclamation and filling process carried out concurrently with dredging operations.

In total approximately 730,000m3 of material was dredged, 295,000m3 of which we utilised on our adjacent Invergordon Service Base project.

We ensured careful sequencing of the works based on the tidal restrictions as our works were completed within a live port environment with a tidal working range of approximately 5m rise and fall.

We also extensively coordinated with both port and landside operations due to the adjacent operational dry dock and business units within Nigg Energy Park. Additionally the works also had to accommodate the Client’s ongoing repairs to oil rigs, as well as the support operations for offshore renewables.

Newsletter Sign Up