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On board the Pieter Schelte vessel, the largest ship in the world


Imagine something 382 meters long, 114 metres wide and with a surface equivalent to 8 soccer fields... Meet the Pieter Schelte vessel, the biggest ship ever made and a platform for installation, decommissioning and pipe laying. After the first concept in 1987 by the Swiss-Dutch offshore company Allseas Group and a revision in 2008, the main construction was built in South Korea. Allseas’ main engineering partner, Bosch Rexroth, has developed and engineered the drive and control system solution for the world’s largest mobile lifting mechanism for offshore installations.


An experienced lead field engineer, Employeneur Tonny Klomp did not hesitate when he was asked by Bosch Rexroth and TMC to participate in the engineering part of the Pieter Schelte vessel. ‘My skills in technology lie in dealing with complicated technical systems and I have extensive experience in multidisciplinary projects in the field of electrical, mechanical, information and hydraulic engineering, which is exactly what this job required.’, Tonny says. ‘The Pieter Schelte vessel has four main functions. First of all, the vessel is able to position itself dynamically. It can lift a platform from its stand and transport it to a harbour, making disassembly considerably safer and more cost-effective. The prerequisite for that decisive simplification is a topside lifting system (TLS), an innovation that was never seen before in such dimensions. The TLS can lift 48,000 tons, which is equivalent to 80 fully-loaded Airbus A380s. Besides, the vessel also lays down oil and gas pipelines with a diameter of 6 to 68 inches at a depth up to 3500 meters at a record speed of seven kilometres a day. Moreover, the vessel is capable to lift the steel platform ‘jacket’, which makes this boat even more innovative.’.


In September 2014 Tonny started with his job, meanwhile getting to know TMC and the Employeneurs philosophy. ‘The combination of technical and entrepreneurial skills makes my job very challenging and fulfilling. I started by studying the construction of the nearly ready TLS. My contribution consists of finalizing the last engineering pieces, so Allseas can enter the next phase, which is the installation and commissioning of the equipment on board in order to get the vessel ready for its first job. The expectations are that the vessel will be in the North Sea at the beginning of 2015. Being part of this project is living my dream. I look forward to seeing the equipment doing what it is designed for, once the ship is in operation.’.


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