FABRICATION
S uccess here is about how to transfer loads from as successive batches go out. We offer a one-stop shop of handling and marine services, from on-site transportation via SPMT, through a range of specialized equipment such as blade clamps and tailing systems, to complex load-outs including mooring and ballasting. AN EFFICIENT PRODUCTION LINE Our experts design smart, efficient load-out strategies, even as monopiles start to challenge the largest heavy lift vessels. We select from a wide range of equipment and, on occasion, design custom handling frames to transfer foundations and jackets without modification - speeding up schedules. production to storage, then from storage to vessel, as quickly as possible - using as little space as possible. Every second saved pays off hundreds of times over Dedicated teams offer a range of handling and marine services, from on-site transportation via SPMT, through specialized equip- ment such as blade clamps and tailing systems, to complex load-outs that include mooring and ballasting. We can even transport some components upright. FABRICATION ALWAYS TAKES PLACE AGAINST THE CLOCK. EVERY DAY PILES SIT ON SUPPORTS IS A DAY SOMETHING ELSE CAN’T BE MADE; EVERY HOUR A VESSEL LIES IDLE COSTS DEMURRAGE; EVERYMINUTE THE FACTORY IS STILL GOES ON THE PAYROLL.
HANDLING OF JACKETS Mammoet’s work with the wider supply chain has allowed us to develop a full set of tools and methodologies for assisting the transportation and manufacturing processes of complex offshore wind structures like jackets. Through jacking techniques, or our larger ring cranes, we can handle and rotate jackets, allowing them to be fabricated, extended or loaded-out. Our custom modular transport frames allow jackets to be transported on site without the need to fabricate custom steelwork for every project. Once the time comes to load-out jacket structures, we can undertake complex ro-ro operations. To make sure components get to their destination safely, we design thorough sea fastening, grillage and support structures for onward marine transportation.
Some of our fabrication services typically include, but are not limited to: • Providing and operating specialist equipment for transporting every component • Co-ordination of crew members and stevedore management • Creation of additional storage areas to suitable specifications • Jacking, skidding and re- orientation of components • Port-to-port transportation of tower sections, nacelles and blades • Establishing the most suitable transport route in typically congested areas
And as the offshore wind sector continues to develop, our experience of transferring some of the world’s heaviest modules between vessel and land means projects can benefit from techniques that have been proven over decades throughout heavy industry. Another important trend is the increasing height and weight of foundation components which have doubled in size over recent years. Monopiles of 2,500t with diameters of up to 12m are now commonplace. As the US market grows, differing seabed conditions will require XXL monopiles capable of reaching depths of 50 meters or more. These specialist items need infrastructure and expertise to handle safely and efficiently. Mammoet has the technology and knowledge to ensure this, having worked closely with designers and fabricators to ensure logistics activity is aligned and suitable for the increasing size of components.
MARINE TRANSPORT Mammoet can provide a range of marine
transport services. These include the supply and management of tugs and barges as well as the design and provision of sea fastening and grillage equipment. This allows us to offer a flexible approach – redesigning or modifying equipment to suit the demands of different projects.
“The United States is entering the offshore wind market in a big way. Under the current administration, it has rejoined the Paris Agreement and has a handful of projects already in the pipeline, totaling hundreds of units. This is a significant development that will be felt strongly in the region, as facilities, vessels and workers must be found to meet demand. But the impact of this will also be felt globally; through higher-volume fabrication and more global project planning. Mammoet’s decades of experience in planning complex, modular projects across countries and continents will help to make this happen”. Robert Eykhout , Regional Commercial Lead for Offshore Wind, Mammoet
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