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Our Blog

Subsea Global Solutions Meets the Challenges of the Pandemic with Creativity and Innovation

For Subsea Global Solutions (SGS) 2021 was a busy year, with strong demand overall for its underwater maintenance and specialized repair services continuing into 2022.

DryDock Magazine Interview - The Big 3Rs of Rudder Repairs Afloat

DryDock Magazine recently interviewed Harun (Aaron) Duzgoren (CCO), and Kevin Peters (Director, Technical Sales & Environmental Services) about a significant 100+ tonne rudder repair operation carried out afloat on a fully laden mainline container vessel.

Subsea Global Solutions delivers marine dredging project to improve mooring access

Another happy client back to business: 3800 CPM of sand & silt dredged in a short time window, and under budget! Read the full case study here.

Massachusetts Maritime Internship

Subsea Global Solutions had the pleasure of hosting two interns from Massachusetts Maritime Academy for the past two months as part of the Academy’s co-op program.

February 10, 2022

Employee Spotlight - Maheshvari Hughes

Do you ever wonder who the individuals are who make it all work here at Subsea Global Solutions? We would like to introduce you to Maheshvari Hughes, our crew coordinator at the SGS Miami office.

August 24, 2021

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.

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.

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.

A Turn-Key SOx Scrubber Spool Pipe Replacement by Subsea Global Solutions, with a 5-Year Coating Warranty

The client was in need of a turn-key—class approved—permanent repair. This included a single contractor that would manage the internal technical repair team, commercial diver team, prefabrication of the new spool pieces with flanges, final application of the 5-year warranty POLYFLAKE protective coating to 3000 microns on the new spool pipes, and achieving final class approval for the full repair procedure.

Subsea Global Solutions Repairs Hull Fracture in way of Bilge Keel

We began the operation inside the vessel by templating the immediate area of the hull around the existing fracture. The hull templating serves two purposes, it tells the size and geometry of the insert plate and it provides us with the surface area and geometry needed to fabricate the cofferdam onsite.

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.

Subsea Global Solutions Restores Heavily Corroded Rudder

The repair was based on underwater welding only, eliminating the need for the installation of open top cofferdams or other barriers that would allow dry welding repairs to take place, which requires more time and resources. SGS Long Beach mobilized two 5-man teams of commercial divers and welder divers to operate around the clock during cargo operations until the underwater repair was concluded.

February 21, 2021

Subsea Global Solutions Straightens Damaged Propeller Blades in a Single 12-Hour Shift

With a 12-hour repair window, all four blades were successfully restored to near design geometry and as per iACS Rules (ABS Reference: Rules for Survey After Construction, Part 7, Section 10 – 1.9.2 (b))—“NiAI Bronze propellers do not require stress relieving treatments after straightening”.

January 30, 2021

Subsea Global Solutions Removes Anchor Chain Debris Before Vessel's Planned Departure

Once the port anchor began its ascent, the hawser line gave way and started to rise, but it was found to be a much heavier load—requiring the use of the workboat’s hydraulic crane.

January 21, 2021

Subsea Global Solutions Replaces Propeller Blades After Contact Damage

Subsea Global Solutions started its underwater repair process by establishing load-rated rigging points above the propeller using 4F Class A wet welding procedures to allow safe new replacement propeller blade transfer of the propeller blades.

January 11, 2021

Subsea Global Solutions Exchanges Retractable Thruster on Semi-Submersible Despite Challenges

Subsea Global Solutions mobilized 2 teams composed of 14 expert diver technicians to execute the various projects in less than 35 days from Long Beach, Port Angeles, and Miami.

December 22, 2020

Season's Greetings! An Subsea Global Solutions 2020 Performance Look Back

‍Season’s Greetings from Subsea Global Solutions. While we wish you all a very Merry Christmas and a Happy New Year with your loved ones, we wanted to take this opportunity to take a look back to 2020 for Subsea Global Solutions, a year full of unprecedented challenges for everyone.

December 15, 2020

Subsea Global Solutions Repairs Leaking Aft Shaft Seal in A Hurry!

Being an OEM certified service provider, the team removed all existing shaft seals and we re-bonded the new shaft seals in their place. Due to the grooving in the shaft liner, the seal housing was released to make room for a distance ring to ensure the new seals were operating on a new running surface.

January 1, 2020

Scrubber Installation Without Dry Docking

The year 2020, and with it the Sulphur regulation for the use of heavy Sulphur fuel oil, is approaching fast. Starting January 2020, it will be illegal to run a ship using fuel containing more than 0.5% Sulphur without the operation of a scrubber, an exhaust cleaning gas system.

December 1, 2019

Focus On: Underwater Seal Replacement

Over the past few months of 2019, Subsea Global Solutions has performed a number of high-capacity underwater repairs across the globe. A great number of these repairs have focused on seal replacement.

An interview with our very own Senior Welding Engineer, Uwe Aschemeier

Please check it out at:Uwe Aschemeier: Underwater Welding’s Under-The-Radar Ambassador

No solution? Think again! – Aft shaft bearing repair, Hong Kong – April 2018

A deep-sea bulk carrier fully loaded with goods had become immobilized due to a failure of the aft shaft bearing. In the past, not much could be done to help a vessel in this situation. With no way to transit on its own power and loaded with a perishable cargo, an economical solution needed to be developed quickly.

Propeller Repairs – Worldwide – March 2018

Over the past few months, Subsea Global Solutions has been called on to complete propeller straightening’s and repairs all over the world, including – Canada, Panama, Uruguay, Singapore, and El Salvador. In each case, a team of highly trained Subsea Global Solutions Diver / Propeller Technicians attended the vessel, along with our proprietary large or small propeller press (depending on the job scope) and propeller sectional reduction / optimization gear.

January 1, 2018

Twin Shaft Seal Repair – South Pacific – January 2018

As part of the cruise industry’s focus on the environment, a vessel operating in the South Pacific developed a minor problem with both of its shaft seals.

November 1, 2017

Stern Seal Repair – Romania – November 2017

Back in November, a fully loaded bulk carrier contacted Subsea Global Solutions with a shaft seal issue. Initial reports from the vessel were that they were losing all stern tube oil into the vessel, they were experiencing heavy water ingress through the FWD seal system into the engine room, and the internal seal system clamp ring shifted approximately 70mm inboard.

October 1, 2017

Biofouling Cleaning Campaign – Korea-Oct 2017

Earlier this year, Subsea Global Solution’s office in Busan, Korea completed a biofouling cleaning campaign on one of the largest vessels in the world. A floating liquified natural gas (FLNG) vessel – with an LOA of 488m – it was launched in 2013 and took almost four years to complete, whereby the vessel’s hull had expectedly collected a significant amount of fouling.

September 7, 2017

Hurricane Irma- CUSTOMER INFORMATION 7 Sept 17

To our valued customers, family and friends in Florida, Our thoughts are with you, your family and neighbors as Hurricane Irma comes barreling down on the Florida Peninsula. We hope that everyone remains safe and secure during this unprecedented weather event.

Oil Leak Repair – August 2017

Subsea Global Solutions Halifax received an emergency call recently that a ferry in a remote part of Northeastern Canada was experiencing an oil leak in the port stern tube. Our crew was quickly assembled and dispatched to the vessel to diagnose and repair the cause of the leak.

Looking for underwater maintenance and repair services?

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Americas: +1-305-571-9700
Europe: +32-3-541-45-41
Asia: +65-6397-5808

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About Subsea Global

Subsea Global Solutions is a leading commercial diving company operating in the maritime industry with a highly skilled technician base of 180+ divers that are full time employed in 14 locations across 7 countries and numerous working partnerships worldwide. Subsea Global Solutions has an unparalleled technical capability to deliver turn-key solutions at a global scale. We continually strive on developing new underwater technologies and advanced service/repair methods focused on efficiencies and safety to our customers, to be “the one source for global underwater solutions”.

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