UMC have been designing and installing cofferdams of varying types and sizes for 30+ years, from small simple cofferdams to allow minor crack reapirs on hulls, to giant 18m 120 tonne cofferdams to fit under jack up rigs and allow repairs to spudcans.

With dropped objects throughout the industry still being responsible for injury and fatalities we aim to work with you to reduce this type of accident and create a safer industry. UMC are committed to providing a professional and efficient service whilst carrying out dropped object surveys around the globe for multiple clients at various locations both onshore and offshore, mitigating risk to personnel and company assets.

Our marine engineering services have a global reach that includes:  
  • In-house development and production of man-entry cofferdams to support hull insert repairs, stern seal, thrusters and rudder repairs
  • R&D for new equipment and procedures to support afloat maintenance requirements 
  • Development of specific techniques for replacement of hull mounted equipment 
  • Production of documentation to support ship and submarine maintenance, including Defence Standards for UK MoD

As a full member of the Lifting Equipment Engineers Association (LEEA) we are able to provide competent inspectors with LEEA qualification for inspection or examination of lifting gear and equipment. Many cases of lifting equipment failures have been catastrophic which is why it is imperative for lifting equipment to be inspected at regular intervals to ensure that it is fit for use in its intended purpose.

The ongoing research and development of new-generation hull cleaning equipment has set the company at the forefront of understanding how to successfully clean the latest low surface energy coatings currently in service. 

The IACS Special Periodic Survey (SPS) is a five yearly classification requirement which UMC's skilled team of subsea technicians and dive inspectors can carry out on your behalf. SPS's can be carried out in line with an Under Water Inspection in Lieu of Dry-docking (UWILD) with most utilising Ultrasonic Thickness Gauging (UTG), Subsea Cathodic Protection (CP) or Subsea Magnetic Particle Inspection (MPI) methods.

UMC specialise in underwater engineering solutions to address a variety of in-water damage repairs, including those caused by collision and grounding.

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. 

At UMC we have successfully completed load tests from cranes and lifeboats to winches and padeyes for our clients both onshore and offshore. Our skilled and experienced technicians can safely, efficiently and accurately carry out lifeboat and crane load tests for our clients whilst on location and in shipyards, whilst we have the capabilities to carry out load testing utilising water weights for loads up to 250 metric ton.

The combination of UMC International's technical capabilities and resources with sector expert knowledge and long experience provides high standards of support for marine construction projects. Add in hands on expertise to get the project done, backed by the resource of the V.Group and you have a rare combination that offers a powerful set of solutions for construction clients. 
UMC are in a position to offer a virtual outsourcing of much of the marine construction and port maintenance allowing the client to retain central control over expense backed up by local service delivery. 
Marine environments are demanding and potentially high cost and high risk. UMC International’s multi-national resources, high standards and decades of construction experience mitigate these risks and help clients deliver projects safely, on time and on budget. 

A unique, specialised service and worldwide training expertise to support naval requirements for the application and upkeep of submarine and surface ship acoustic cladding systems. 

Non Destructive Testing (NDT) is the process of inspecting, testing or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. UMC provides a pool of multi-skilled operators with internationally recognized certification ensuring the inspection is carried out to the client’s procedures and specification.

To avoid dry-docking of platforms and FPSOs for repairs or maintenance, our specialist team of naval engineers and architects develop innovative engineering solutions to allow offshore rigs and platforms more time inbetween dockings. 
Larger projects can be fully supported from concept design through to manufacture and on-site support. The team designs all the necessary equipment and documentation, including procedures and risk assessments. A strong background in project management ensures large projects can be fully supported. 
Recently, UMC designed, manufactured and installed a unique cofferdam to support afloat repairs of all three spudcans of a jackup oil rig. 

With over 30 years experience UMC has developed an established process for the successful application of underwater coating to vessels, subsea structutres and offshore installations. 

UMC offers purpose built containerized laboratories for onsite gauge and relief valve testing and calibration services. Alternatively our teams of PRV calibration technicians are able to work at your facility.

Our Project Managers are qualified marine architects who deliver projects to budget and on time. They all have in-depth experience of marine engineering and manufacturing, combined with knowledge of ship and submarine systems, including equipment design, installation, commissioning and decommissioning operations on nuclear licensed sites. 

UMC has developed a propeller-polishing tool to produce an industry standard surface finish of 0.5µ Ra. Because the cost of the underwater polish will only be a small proportion of the fuel savings, the most important factor to be considered by the customer is the quality of the polishing. 

UMC International offers ship operators technically sophisticated solutions to propeller damage and associated performance problems. 

UMC utilise Rope Access trained NDT technicians for Structural Inspection and Survey work. Utilising a twin rope system for enhanced safety in industrial use makes it the access method of choice for our industry, thus eliminating the need for costly and time consuming scaffolding.

UMC provides Ex-Electrical Inspection to ensure client’s compliance with all of the latest
international standards, codes, regulations, practices and legal obligations, all the while ensuring your facility and/or MODU is safer and hazard free with regards to electrically induced
explosive scenarios. Our inspections will result in a complete and comprehensive survey of all installed Electrical Ex equipment by our highly trained and experienced CompEx/IECEx certified engineers and electricians who have specialist experience in the inspection and compliance
of electrical installations in potentially explosive atmospheres.

Heat is often an early symptom of equipment damage or malfunction, making it a key performance parameter monitored in predictive maintenance. Infrared thermography inspection is perceived as the most effective faults diagnosis technology and can therefore help to prevent expensive failures, improve efficiency and increase production.

UMC has developed technology that enables the examination of the internal condition of wire ropes, utilizing magnetic flux fields on ropes ranging in diameter from 6mm to 42mm. The service we offer allows us to internally inspect wire ropes including hoisting lines, crane lines, drilling lines and towing lines which can save you, our client, money when changing out ropes periodically. We can examine the rope externally and now internally, assess its condition and advise if it is still fit for service, thereby saving you money on the purchase of new and often unnecessary wire rope reels.

Noise is one of the most prevalent occupational health hazards found in the workplace, hence accurate noise monitoring is an essential factor of a hearing conservation program. Here at UMC we have both the necessary experience, along with high performance equipment, to clearly identify areas of potential high noise, and in turn provide our recommendations for the most appropriate type of hearing protector to use for reducing noise exposure.

UMC have developed a range of procedures and associated equipment to allow afloat repair and replacement of stabilisers. 

UMC has extended its capabilities to provide underwater stern seal replacement and repair services strategically situated at key global sites. 

UMC offer a complete turnkey service to allow repair or replacement of both tunnel and hull mounted thrusters on vessels or platforms worldwide via the One Ocean™ network.  The One Ocean™ network have 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. 

In order to meet an escalation of international interest, UMC has established a network of offices, agents, partners and associates to provide a global network of expertise.  At the heart of this is the One Ocean™ network.  This has many advantages for ship owners and managers and can often improve their management time.
Follow-up work can be linked between locations due to sailing deadlines and UMC can project-manage and coordinate a shared operational task through their worldwide cooperative partnerships at over 300 global locations. 

Under Water Inspection(s) in lieu of Dry-docking (UWILD), or In Water Surveys (IWS), are required to ensure the structural and operational integrity of a marine asset throughout its operational life span. Completing these surveys with divers, while on location, saves the asset owner and their clients both time and money by reducing downtime, limiting time off-contract, and reducing or eliminating the need for expensive and limited dry-docking. This process includes sub-surface inspection utilizing divers and a top-side inspection utilizing rope access technicians as required.

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. 

Sacrificial and impressed anode replacement, rope guard and rudder repairs, external doubler plates, sealing up disused inlet and outlet,