River-crossing;

Shallow waters and off-shore sea terminals;

Deep water pipelines;

Offshore engineering surveys and Inspections;

Fabrication of transported assembled pipeline sections;

Gas pipelines of high and low pressure;

Pipelines;

Pipelines for the transport of water;

Water coduits of high and low pressure;

Pipelines heat insulation and heat tracing;

Pipelines laying onto sea bed, ballasting; free spans correction;

Installation of pipe spools and risers, connection to onshore facilities and offshore fixed platforms process equipment;

Pipelines testing; cavity cleaning, gauging and drying;

Installation of catholic protection facilities;

Preparation and execution of commissioning works;

Arrangement of subsea trenches including landfall arrangement at shore line area;

Pre-commissioning survey of subsea pipelines routes and pipelines post-laying survey;

Reconnection of pipelines and replacement of existing pipelines sections (including operating pipelines).