Rope/Entanglement removals – removal of wire, fishing net, and other debris from the vessel’s rope guard and shaft.
Kettle Patches repairs / Crack Arrests repairs
Installation of Cofferdams – A cofferdam is a temporary structure designed to keep water and/or soil out of the excavation, a cofferdam is built to give workers a dry work environment.
Blanking of Seawater Inlets or Overboard Discharges for
on-board repairs – changing defective valves and repairing sea chests plating, while afloat during normal ship operations.
Sealing Stern Tube Glands – The packing is inside the gland nut and creates the seal. The shaft is wrapped by the packing and put in the gland nut. Through tightening it onto the stern tube, the packing is compressed, creating a seal against the shaft. Creating a proper plunger alignment is critical for correct flow and a long wear life.
Anode Replacement (welded or bolted on) – replacing of old and depleted anodes on a vessel, either by bolt on or welded.
Underwater Welding, Patching or Steel Plate inserts damage repairs
Cropping of Damaged Propeller Blades
Photographic Inspection – general condition of a vessel’s hull, including rudder, propeller, sea chests, vertical sides and flat bottom, the inspection can also be used to identify fouling condition, and damage noticed if any.
CCTV inspections – A CCTV Footage Survey in conjunction with the Special Survey to examine the external underwater part of the ship and related items to class and clients requirements.
Full Hull Cleaning and Propeller Polish – cleaning of vessel’s hull to ensure reduction of fuel consumption, reduction of CO2 emissions, increase of ships speed.
Niche cleaning – thorough cleaning of all the areas of the vessel, including inside sea chests cleaning.
Bow Thruster Cleaning – Bow Thrusters are propeller types that are smaller in size than propellers. Bow Thrusters are placed in tunnels on the bow and stern below the waterline and are divided into two categories, electric and hydraulic.
Global Diving and ZMK Enterprise joint venture to assist vessels with their commercial Hold and Hatch Cleaning in Durban Port South Africa We are available 7 days a week and operational 24 hours Our services include reports, photos or drone footage depending on type of cleaning We offer good turn-around times with most thorough cleaning We use trained personal with many years of combined experience Specialized equipment and approved chemicals used
