This paper presents the unique challenge and technical solutions for the transportation and installation (T&I) of the fully-integrated SHWE topside. The SHWE topside, one of the heaviest topside in Asia, has a weight of about 26000 MT and is transported to the installation site in the Bay of Bengal, Myanmar by the bottle shaped barge HYSY229. The emphasis of this paper is on describing the most challenging part of the T&I design, the barge strength under topside transport and floatover mating analysis with the long swell condition.

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