On-Station Repair

Complete and integrated service

We offer a complete and integrated service to deliver on-station structural repairs while your asset remains in production.

Our proven methods of executing on-station repairs, will enable you to ensure the safety of your asset and satisfy Class or regulatory requirements, while minimising downtime and impact on production. MTL understand the constraints and challenges faced by FPSO operators and will work closely with your team to develop appropriate solutions.

Front end planning is key to the success of these projects and MTL develops detailed, intuitive repair specifications suited to on station execution. In tandem with engineering the repair solutions, MTL lead and develop risk assessments for the repair scope. We have a proven track record in managing hotwork on deck, in tanks and other confined spaces, including boundary hotwork and hotwork on the side and bottom shell.

Read more about our on-station repair capabilities, visit our equipment page to discover the equipment we have developed to support on-station repair and inspection, or contact us to discover how we can support your on-station repairs.

Project management

MTL understand the importance of having skilled and experienced personnel, and have project engineers who have direct experience preparing and executing a range of offshore repair projects.

MTL believe that having in-house personnel who have prior experience with a range of on station repair projects is the key to the success. Having a broad understanding of the technical/legislative/procedural requirements ensures seamless fulfilment of our client’s expectations.

We are able to project manage a scope seamlessly from start to finish covering all aspects including repair strategies, project execution, planning, cost control, logistics, engineering and trade testing.


MTL specialise in on-station FPSO repair and as such have developed a number of solutions and systems to enable safe and efficient working in a hazardous environment. The Safe System of Work (SSoW) is a fully integrated power distribution and ventilation system with inbuilt fire and gas detection, dampers and automatic shutdown. 

This system is now routinely used by the company when they conduct offshore FPSO repairs and is an important part of the strategy MTL employ to enable safe and efficient work on-station. By enabling effective on-station hot work repair, disruption to operations is minimised. All the equipment is rated safe for use in either zone 1 or 2 hazardous areas and is therefore safe for use while topsides are operational.

Onshore support

The extensive onshore support team at MTL includes Project Engineers, Project Planners, Naval Architects, CAD Designers, Internal Systems and Software Engineers, and Administration and Logistics support. All personnel are on hand throughout each offshore repair project to offer technical assistance as well as support and guidance to ensure delivery of the workscopes effectively and efficiently.

Efficient execution

At MTL we pride ourselves on our ability to prepare realistic project plans, which we feel confident can be achieved during offshore execution. Involvement of our onshore support team, including our offshore supervisors during the onshore planning phases ensures project plans are representative of the total scope, and achievable.

In order to deliver the best service possible, MTL operate multi-disciplined repair teams who are capable of carrying out tank cleaning, inspection, and repair workscopes. This ensures continuity of the workscopes, and efficient execution from start to finish.

Onshore supervision

MTL retain an in-house team of highly skilled and vastly experienced Construction Supervisors, who regularly mobilise offshore to supervise our construction projects. All hold in date certification/training, and are available at short notice for urgent mobilisation requirements. Capable of conducting comprehensive offshore surveys, ensuring the onshore support team receive accurate and detailed measurements/information in order to prepare for upcoming projects. Their involvement in the early phases of each project ensures that offshore execution of works is considered and appropriately accommodated for.

During offshore projects, the Construction Supervisors are the single focal point for both client FPSO crew, and onshore MTL project management teams, providing daily reporting and photos as necessary. They manage the offshore project teams, ensuring work is conducted according to workpack documentation and to the required quality. All are qualified rope access technicians (Level 1), so are capable of accessing worksites requiring the use of ropes.


The key to executing hotwork repairs whilst in production is fully understanding the hazards of confined space entry (despite the often large and open size of the spaces being entered) and working at height, and developing an appropriate safe system of work for entry and working in tanks.

When preparing for offshore workscopes, MTL take a holistic approach to safety, ensuring that access and egress routes, SIMOPS, emergency response, and safe atmosphere/ventilation are identified and incorporated into the repair documentation and safety risk assessments.