Immediately after the bow, a one-story deck room is provided up to the sternacross the bridge, and the 01 deck on the upper surface is also the entire deck. The 01 deck in front of the bridge structure is considered to be the work deck. On the other hand, the rear part was the helicopter platform, and it is capable of carrying one HSS-2 helicopter. The bridge structure has a five-story structure counting from the main deck, and the living quarters are centrally located here. On the other hand, there are three layers of decks inside the hull, but the central part of the hull is a hull compartment, and a tank is provided to store liquid supplies and ballast water through all of these decks.