Underwater Works

Since its establishment, CE.SUB. S.r.l. has consistently been committed to improving quality standards within the underwater sector. This approach has enabled the company’s specialized team to build extensive and continually evolving professional expertise, allowing it to meet the demands of its operations, supported by the advanced technology and equipment at its disposal.

In particular, the underwater division comprises two inseparable and closely interconnected elements:

Personnel

The management and supervision of all underwater operations are entrusted entirely to the Diving Supervisors, who coordinate the activities and oversee their methods of execution.

CE.SUB. S.r.l. has a highly specialized team comprising 8 Commercial Divers and 3 Hyperbaric Technicians, whose expertise is essential to ensuring the safe and efficient execution of underwater operations.

Equipment

As part of its ongoing commitment to the continued improvement of the services it provides, CE.SUB. S.r.l. is equipped with highly specialized equipment that fully complies with the quality standards required by its target market.

Among the equipment available to CE.SUB. are decompression chambers and ROVs (Remotely Operated Vehicles) for underwater inspections.

List of Underwater Services

Installation, maintenance, and repair of underwater pipelines for discharge systems and for the transportation and distribution of natural gas and petroleum products;
NDT (Non-Destructive Testing) using liquid penetrant testing, magnetic yoke inspection, and digital thickness measurement;
Cathodic protection services, including inspection and replacement of sacrificial anode systems;
Underwater structural and metal fabrication works;
Installation and maintenance of electrical and fiber-optic telecommunications cables;
Underwater thermal cutting, using oxy-electric and/or diamond wire cutting techniques;
Application of anti-corrosion coatings using epoxy resins;
Underwater welding;
IWS (In-Water Survey) inspections for assessing hull condition and the classification of vessels afloat, carried out by highly qualified and certified technical personnel recognized by leading international classification societies;
Installation and positioning of navigation buoys and marker buoys;
Underwater demolition and excavation of natural and/or artificial rock;
Systematic underwater surveys and searches using GPS and georeferencing systems;
Recovery of wrecks from the seabed;
Leak repairs, seawater intake blanking, and stern tube/shaft-line sealing, as well as systematic inspection of vessels afloat;
Dry-docking and docking of large vessels;
Quay leveling and consolidation works;
Underwater maintenance of pipeline systems;
Underwater maintenance of industrial facilities and installations.