Underwater Repair
UMC offers an impressive range of underwater repair services to commercial, offshore and naval shipping to reduce the need to dry dock, allowing vessels to remain at sea, earning and operating, including:
Permanent Hull Insert Plate Repairs
Allowing defective areas of shell plating beneath the waterline to be cut out and replacement insert plates to be welded into position whilst the vessel is afloat.
Afloat Stern Seal Replacement and Repairs
UMC has extended its capabilities to provide underwater stern seal replacement and repair services strategically situated at key global sites.
Afloat Propeller Repairs
UMC International offers ship operators technically sophisticated solutions to propeller damage and associated performance problems.
Cofferdams
UMC have been designing and installing cofferdams of varying types and sizes for 25+ years, from small simple cofferdams to allow crack reapirs on hulls, to monster 18mm 120 tonne cofferdams to fit under jack up rigs and allow repairs to spudcans..
Stabiliser Repair and Replacement
UMC have developed a range of procedures and associated equipment to allow afloat repair and replacement of stabilisers.
Underwater Maintenance - Specialist Welding
Sacrificial and impressed anode replacement, Rope guard and rudder repairs, External doubler plates, Sealing up disused inlet and outlet,
Afloat Thruster Exchange and Repairs
UMC offer a complete turnkey service to allow repair or replacement of both tunnel and hull mounted thrusters on vessels or platforms worldwide. Using our network of diving partners situated in every continent, backed up by a fly away capacity sending engineers and equipment at short notice, we are able to provide a fast and efficient repair capabiltiy avoiding costly dry dock alternatives.
Voith Schneider Propellers
Replacement of a VSP unit is carried out afloat using a cofferdam (positioned under the ship by divers) that encloses the entire VSP unit and forms a watertight seal against the surrounding hull.
