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The Chilean shipyard ASENAV has selected TSI S.L -Técnicas y Servicios de Ingeniería- as noise, vibration and radiated noise to water (URN) consultant. TSI will be present during the different stages of design, construction and official trials of the fishing and oceanographic research vessel -FRV- being built for SUBPESCA. Last 2017 SUBPESCA, Chile’s Undersecretariat of Fisheries and Aquaculture, published the tender for the design of a coastal fisheries and oceanographic research vessel, driven by the need to strengthen the technical capabilities and the extension of the research coverage that was being carried out on the Chilean coasts and inland waters. NavalPro , a Chilean engineering and naval architecture consulting firm, supported by the Australian company International Maritime Consultants, was assigned the basic engineering for the project. The initiative to build a new coastal vessel dedicated to fisheries and oceanographic research was born from the need of IFOP, Chile’s Fisheries Development Institute, to carry out biomass studies between the shore and 15 miles offshore. This study of the population and marine fauna of the area is carried out in order to generate the quotas assigned to artisanal fishing. IFOP proposed the need for a coastal vessel dedicated to oceanography and fisheries research as an economically viable alternative for the country and the future development of Chilean research and aquaculture. The implementation of these initiatives is of vital importance for the development of aquaculture, in addition to supporting different research, being scientific platforms to be used for the development of various investigations by the authorities and academic institutions.   DETAILS OF THE VESSEL This new coastal oceanographic research vessel will be 30.8 meters long, 9 meters wide and will be a silent vessel with a draft of less than 3 meters because one of its main tasks will be to collect samples in shallow coastal areas. This vessel has three decks plus the wheelhouse, thus being quite complete for its requirements. On the lower deck are the engine rooms, control room and stern servotimons. At the bow are located the first cabins, which will accommodate a total of nine people. The main deck will house the wet, dry and acoustic laboratories. In addition to the research space, this section of the ship will be composed of different common areas, such as the galley, the meeting room, the dining rooms and a wet room with dressing rooms for the crew and researchers. The castle deck houses the rest of the cabins, six more in addition to the nine on the lower deck. A total of 15 cabins that must meet the habitability standards required by the authorities to ensure the rest and health of the workers that comprise the crew.   SILENT SHIPS TSI’s task in this work will be the dynamic and acoustic design of the vessel to ensure that it complies with the ICES No. 209 CRR standard for noise radiated into the water. The aim is to have a “silent vessel” that guarantees a safe working space for health and comfort for the crew and scientists, as well as its “underwater acoustic signature” to reduce the impact of the vessel on the environment, the marine species to be investigated and to avoid interference with the echo sounders and all its electronic equipment. This type of project is intended to generate a technology transfer channel that will allow Latin American shipyards to specialize in the design and construction of this type of special vessels with strict requirements.

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