Samenvatting

The oil mining increased along with the higher demand of energy in the world. Fulfilling this requirement, Chevron Corporation and several other companies, intends to explore a new oil field by installing a new offshore oil platform in block 14, Angola, West Africa called as the Tombua Landana project. The complete platform itself consists of several parts. One of them is the Living Quarters (LQ) which is built in Houston, USA. It is functioned as the accommodation for offshore workers during their working period over there. In this project Heerema Marine Contractors (HMC) as the Transportation and Installation Contractors is responsible to transport the LQ safely and on schedule. For this project, the internship students were responsible to design the support structures which are called grillages and seafastenings to secure the LQ during the transportation. The students did the internship project as group so that the design can be optimized better than individually. During the internship, the students studied literatures such as the HMC’s standard criteria, AISC code (American Institute Steel Construction), offshore manuals, and discussed the design with the internal experts. The students worked four days in the office and one day in the school per week for 5 months. There are many aspects that must be considered for transporting LQ since the sea parameters influence to the transportation as static and dynamic loads. The main idea of the design is to transfer the loads from LQ through the support structure to the barge’s strong points in a proper way. The transferred load must be less than the capacity of the barge otherwise the engineer must redesign the support structures. In the end, the support structure must be friendly fabricated and suitable for load-out phase, transportation phase, and installation phase. By doing this internship, the students gained a lot of knowledge about offshore engineering, experiences as employees in the Dutch-International company, applied the theoretical lessons from school in a real project, and got familiar with the work atmosphere in the Netherlands where they can free to ask anything.