.truncate { white-space: nowrap; text-overflow: ellipsis; }

Underwater Hull Cleaning, Hull Grooming, & Niche Area Cleaning

With the new regulations being adopted by the IMO in 2023 regarding decarbonization through ship emissions, a trusted underwater service partner who can deliver reliable biofouling removal around the globe will be paramount to ensure your vessel remains in the acceptable range of A,B, or C.

According to the ICCT, hull cleaning can reduce gas emissions in a range of 1%-10%. The same can be said for propellor polishing which can reduce gas emissions by 2% - 5% and when executed on a regular period basis; 2.5% - 8%. With the new regulations being adopted by the IMO in 2023 regarding decarbonization through ship emissions, a trusted underwater service partner who can deliver reliable services around the globe will be paramount to ensure your vessel remains in the acceptable range of A,B, or C.

Subsea Global Solutions has several solutions available for Biofouling Management, Environmentally Friendly Hull maintenance and propeller polishing. Procedural Management of Biofouling Management, Hull Cleaning and Propeller Maintenance Subsea Global Solutions understands the constraints established by regulatory bodies around the world. We develop bio fouling and maintenance management procedures that comply to the requirements of the local port, individual state or international environmental regulatory bodies. Subsea Global Solutions has developed Biofouling Management plans as well as Hull Cleaning and Propeller Maintenance management procedures for locations that previously banned this type of service.  By addressing the concerns raised by the regulatory bodies and putting in mitigation plans, Subsea Global Solutions has been granted procedure approval for the Hull maintenance of some coatings with vessels that are managed as a part of our Fuel Management Program; assuring minimal fouling (micro-fouling only). Subsea Global Solutions has also worked closely with regulators in New Zealand to develop Niche cleaning processes as well as approved Bio Fouling and Niche area inspection reports that can be used as documented evidence of Niche Area inspections performed according to recently established guidelines.  By managing the vessels Bio fouling, and the Hull and Propeller maintenance, Subsea Global Solutions is able to provide an approved maintenance program that drives down an operators operating cost and improves vessel efficiency. EnviroHull Filtration System For locations with regulations focused on invasive species and the release of particulates to the environment, Subsea Global Solutions has developed the EnviroHull. It features a spoils recovery vacuum system and spoils filtration system that processes the water on the surface in a contained system and returns filtered water back to the environment.  This system has been tested successfully in Alameda California and is approved for use in Busan Korea. The EnviroHull system is a multi-stage filtration system capable of operating continuously during Hull cleaning, Niche area cleaning or Propeller Polishing operations. The EnviroHull system is always considered for locations that require Bio fouling management, Hull Cleaning spoils recovery and particulate matter filtration.  The EnviroHull technology is compact, simple and easy to operate in either a trailer mounted or vessel mounted configuration.

Looking for Underwater Maintenance & Repair Services?

SGS has an unparalleled technical capability to deliver turn-key solutions at a global scale.
Contact Us

Whale Shark Filtration and Water Treatment System

For locations with regulations focused on invasive species and the potential release to the Environment of matter in either a particulate or solution form, Whale Shark Technologies LTD (WET) (a Wholly owned Engineering company of Subsea Global Solutions) has developed the Whale Shark.  It features a spoils recovery vacuum system, spoils filtration system and water treatment system that extracts metals from solution.  Once water passes through Whale Shark, filtered and treated water returns to the environment. This system has been developed and is being tested with good success in Vancouver Canada, impaired water-ways in Baltimore, MD, Alameda and Oakland California, as the only participant in the US Government sponsored IWCC (In-Water Cleaning and Capture Technology) study.

The Whale Shark system is a multistage mechanical filtration system combined with a water treatment plant capable of operating continuously during Hull cleaning operations.  The system has the capability to filter particulates in solution down to 1 micron and remove soluble metals in solution. The Whale shark system should be considered for locations that require Bio fouling management, Hull Cleaning, spoils recovery with particulate filtration, and water treatment to reduce or eliminate all metals (particulate or soluble) released during underwater hull Cleaning or propeller maintenance from re-entering into the environment.  This system, requires a large truck-based trailer or barge mounted configuration which makes it suitable for regional use if required.

Case Studies

Hull Breach on Tanker

During cargo operations, a submerged pile pierced through the hull. Subsea Global Solutions worked together with owner and class to develop repair plan that included the design and installation of an engineered cofferdam.

View full case study

Offshore Oil & Gas

A Blue-Chip oil & gas company incurred several defects and cracks in a critical attachment member of an FPSO’s hull – these defects required repair to allow continued operation.

View full case study

Skeg Ripped from Azipod

3 month out of dry dock, galvanic corrosion caused heavy cavitation/erosion damage on PORT and STBD side rudders.

View full case study

Subsea Global Solutions Reseats Shifted Tailshaft Afloat and Executes a Stern Seal Repair

The client indicated that the tailshaft had shifted aft approximately 200 mm when the ship’s crew was doing maintenance on the shaft coupling. It resulted in the aft water seal losing contact with the liner, causing large amounts of water ingress into the stern tube.

View full case study

Subsea Global Solutions Completes an Afloat Rudder Stock Seal Replacement

This complex underwater repair was completed to the client's satisfaction in 5 days in conjunction with various other repair works. Subsea Global Solutions managed both the underwater and internal portions of this repair to ensure each phase was executed seamlessly.

View full case study

Underwater Propeller Blade Straightening – Cold Static Loading

Subsea Global Solutions can restore your propeller blades as a permanent repair, to OEM design geometry by cold static loading with our underwater propeller blade press.

View full case study
No items found.
No items found.

Double Bow Thruster Removal by Subsea Global Solutions

The benefits of removing a damaged bow thruster afloat are many. The customer was able to prevent further damage to the bearings and gears caused by the presence of seawater in the gear housing and the procedures allows the units to be overhauled prior to the vessels next dry-dock—or, they can be re-installed afloat by Subsea Global Solutions, which would help to eliminate the need for additional tug cost.

View full case study

Afloat Bow Thruster Blade Seal Exchange by Subsea Global Solutions

The project was executed with two Subsea Global Solutions teams working around the clock. While the vessel trimming process was in motion, the team onboard the vessel began to drain the oil from the thruster while the dive team began removing the bow thruster tunnel gratings to gain full access to the bow thruster.

View full case study

Scrubber Overboard Spool Pipe Repairs with 5 Year Warranty

The installation of complete SOx scrubber systems is entirely possible without taking the vessel out of the water. Subsea Global Solutions' involvement is focused on precision cutting of the hull penetrations for the sea chest openings and overboard spool pipe installation below the waterline.

View full case study

Subsea Global Solutions solves serious problems: Assisting a large, fully laden post-Panamax container vessel with steering issues

Subsea Global Solutions solves serious problems: Assisting a large fully laden Post-Panamax container vessel with steering issues. Subsea Global Solutions works with port authorities, class, and manufacturers to provide class-approved in-water float out removal, repair, and refit of a 110 mt rudder. Find out how our underwater inspection and survey services deliver practical, cost-effective solutions to a complex offshore problem. Subsea Global Solutions works with port authorities, class, and manufacturers to provide class-approved in-water rudder float out removal, repair, and refit of a 110 mt rudder. Helping owners safely reduce their risk exposure and related costs that would include diversions, delays, and downtime.

View full case study

Galvanic Corrosion on Rudders

3 months out of dry dock, galvanic corrosion caused heavy cavitation/ erosion damage on PORT and STBD side rudders.

View full case study

Beluga Eco-friendly Propeller Polishing and Niche Area Cleaning System

The Beluga Eco-friendly cleaning system was designed to manage the ever increasing threat of invasive species and—if needed, to also treat soluble metals that may be present in effluent water. With filtration capabilities up to 5 microns, the Beluga system has interchangeable tools that can be connected to it for the execution of hull niche area cleaning or eco-friendly propeller polishing.

Underwater Hull Cleaning, Hull Grooming, & Niche Area Cleaning

Hull Cleaning

According to the ICCT, hull cleaning can reduce gas emissions in a range of 1%-10%. The same can be said for propellor polishing which can reduce gas emissions by 2% - 5% and when executed on a regular period basis; 2.5% - 8%. With the new regulations being adopted by the IMO in 2023 regarding decarbonization through ship emissions, a trusted underwater service partner who can deliver reliable services around the globe will be paramount to ensure your vessel remains in the acceptable range of A,B, or C.

Subsea Global Solutions has several solutions available for Biofouling Management, Environmentally Friendly Hull maintenance and propeller polishing. Procedural Management of Biofouling Management, Hull Cleaning and Propeller Maintenance Subsea Global Solutions understands the constraints established by regulatory bodies around the world. We develop bio fouling and maintenance management procedures that comply to the requirements of the local port, individual state or international environmental regulatory bodies. Subsea Global Solutions has developed Biofouling Management plans as well as Hull Cleaning and Propeller Maintenance management procedures for locations that previously banned this type of service.  By addressing the concerns raised by the regulatory bodies and putting in mitigation plans, Subsea Global Solutions has been granted procedure approval for the Hull maintenance of some coatings with vessels that are managed as a part of our Fuel Management Program; assuring minimal fouling (micro-fouling only). Subsea Global Solutions has also worked closely with regulators in New Zealand to develop Niche cleaning processes as well as approved Bio Fouling and Niche area inspection reports that can be used as documented evidence of Niche Area inspections performed according to recently established guidelines.  By managing the vessels Bio fouling, and the Hull and Propeller maintenance, Subsea Global Solutions is able to provide an approved maintenance program that drives down an operators operating cost and improves vessel efficiency. EnviroHull Filtration System For locations with regulations focused on invasive species and the release of particulates to the environment, Subsea Global Solutions has developed the EnviroHull. It features a spoils recovery vacuum system and spoils filtration system that processes the water on the surface in a contained system and returns filtered water back to the environment.  This system has been tested successfully in Alameda California and is approved for use in Busan Korea. The EnviroHull system is a multi-stage filtration system capable of operating continuously during Hull cleaning, Niche area cleaning or Propeller Polishing operations. The EnviroHull system is always considered for locations that require Bio fouling management, Hull Cleaning spoils recovery and particulate matter filtration.  The EnviroHull technology is compact, simple and easy to operate in either a trailer mounted or vessel mounted configuration.

Whale Shark Filtration and Water Treatment System

For locations with regulations focused on invasive species and the potential release to the Environment of matter in either a particulate or solution form, Whale Shark Technologies LTD (WET) (a Wholly owned Engineering company of Subsea Global Solutions) has developed the Whale Shark.  It features a spoils recovery vacuum system, spoils filtration system and water treatment system that extracts metals from solution.  Once water passes through Whale Shark, filtered and treated water returns to the environment. This system has been developed and is being tested with good success in Vancouver Canada, impaired water-ways in Baltimore, MD, Alameda and Oakland California, as the only participant in the US Government sponsored IWCC (In-Water Cleaning and Capture Technology) study.

The Whale Shark system is a multistage mechanical filtration system combined with a water treatment plant capable of operating continuously during Hull cleaning operations.  The system has the capability to filter particulates in solution down to 1 micron and remove soluble metals in solution. The Whale shark system should be considered for locations that require Bio fouling management, Hull Cleaning, spoils recovery with particulate filtration, and water treatment to reduce or eliminate all metals (particulate or soluble) released during underwater hull Cleaning or propeller maintenance from re-entering into the environment.  This system, requires a large truck-based trailer or barge mounted configuration which makes it suitable for regional use if required.

Beluga Eco-friendly Propeller Polishing and Niche Area Cleaning System

The Beluga Eco-friendly cleaning system was designed to manage the ever increasing threat of invasive species and—if needed, to also treat soluble metals that may be present in effluent water. With filtration capabilities up to 5 microns, the Beluga system has interchangeable tools that can be connected to it for the execution of hull niche area cleaning or eco-friendly propeller polishing.

Looking for underwater maintenance and repair services?

Contact Us 24/7
Contact Us