ABOUT OUR COMPANY

Nick Segredakis Diving Ltd. was established in 1991 and since then is dealing exclusively with commercial underwater works.
NSD Ltd., provides underwater services to ships and offshore units to all Greek ports and many other worldwide. Services include vessel’s hull maintenance such, u/w inspections, hull cleaning, propeller polishing, anodes & sensor’s replacement, and other technical works such, welding of inserts, rudder & propeller repairs, plugging of inlets/outlets for piping repairs, as well as, specialized solutions, adjusted to the requirements of each client.

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ABOUT OUR COMPANY

Nick Segredakis Diving Ltd. (NSD Ltd.) was established in 1991 and has since specialized exclusively in commercial underwater operations.
The company, provides underwater services, to ships and offshore units, in all Greek ports and numerous locations worldwide. Our services, encompass comprehensive vessel hull maintenance, including underwater inspections, hull cleaning, propeller polishing, and the replacement of anodes and sensors. We also perform technical works, such as insert welding, rudder and propeller repairs, and the plugging of inlets and outlets to facilitate piping repairs. Every project, is supported by specialized solutions, tailored to the specific requirements of each client.

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CLASSIFICATIONS

NSD Ltd is approved by major Classification societies for its services and is the first in Greece with approved method & certified divers welders by Bureau Veritas, for permanent in-water repairs.
In little time from the moment of notice a team of divers can be on site in any required location of Greece, as well as all over the world, ready to offer emergency and routine services.
NSD Ltd., owns the 22m diving support boat “ELPIDA”, fully equipped for all kind of underwater works.

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CLASSIFICATIONS

NSD Ltd. is approved by most major classification societies, for its services and holds the distinction of being the first company in Greece, with a Bureau Veritas approved method and certified diver welders, for performing permanent in-water repairs.
A team of divers can be rapidly mobilized to any required location in Greece, or worldwide, to provide emergency and routine services, even on a very short notice.
The company owns and operates, the 22-meter diving support vessel “ELPIDA”, which is fully equipped, to handle all types of underwater operations.

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APPROVED REPAIR METHOD

NSD Ltd., is proud to announce that, has successfully complied with the relevant regulations for the repairs of Underwater Welded Structures and has been awarded by B.V. Classification Society the Attestation Number LPR.410.00.075. Following this approval, NSD Ltd., became the 1st Diving Company in Hellas that have been certified by IACS member for the, underwater permanent repairs of ship’s hull, when afloat.

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APPROVED REPAIR METHOD
NSD Ltd. is proud to announce its successful compliance, with the relevant regulations for the repair of underwater welded structures, having been awarded Attestation Number LPR.410.00.075 by the Bureau Veritas classification society.
Following this approval, NSD Ltd. became the first Diving Company in Hellas, to be certified by an IACS member, to perform permanent underwater repairs to a ship's hull, while the vessel is afloat.

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Why choose us?
We have 30 years of experience at commercial underwater works.

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Why choose us?
We possess 30 years of experience in commercial underwater operations.

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Hull Cleaning
Marine fouling increase drag, resulting reduction of vessel’s performance, meaning less speed and power, as well as more fuel consumption.

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Hull Cleaning
Marine fouling increases drag, resulting in reduced vessel performance. This decrease in performance translates to lower speed, less power, and higher fuel consumption.	

Propeller Polishing
Propeller roughness affects vessel performance and fuel economy. A poor maintained propeller can decrease power up to 5%	

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Propeller Polishing
Propeller surface roughness reduces hydrodynamic efficiency, impairing vessel performance and increasing fuel consumption. In fact, a poorly maintained propeller can cause a power loss of up to 5%.

Inspections & Measurements
Underwater inspections & measurements approved by Classification societies.	

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Inspections & Measurements
Underwater inspections and measurements approved by classification societies.

Propeller & Ropeguards
Repairs of propellers blades, rope-guards & rope-cutters installations and repairs.

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Propeller & Ropeguards
Repair of propeller blades, installation and repair of rope guards and rope cutters.

Technical
Approved welding, NDT & Cofferdam solutions.

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Technical
Approved Welding, NDT (Non Destructive Testing) and Cofferdam Solutions	

Equipment
Some of company’s equipment & tools.

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Equipment	
Examples of our specialized equipment and tools.	

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CofferDam Technique
In this brief animation, one can watch, how dry dock equivalent, permanent repairs, can be carried out afloat, using the CofferDam technique.

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CofferDam Technique
This brief animation demonstrates how permanent, dry-dock-equivalent repairs can be carried out on vessels afloat using the CofferDam technique.

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