| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor of a building, which enables easy execution of work while properly maintaining water sprinkling efficiency and drainage efficiency. SOLUTION: This floor of the building, wherein a plurality of polygonal floor panels are laid in a juxtaposed manner so as to constitute the whole floor, is equipped with an opening 6 which is formed between floor surfaces of one floor panel 2 and the other floor panel 2, adjacent to each other, a gutter part 40 which is arranged below the opening 6 in order to receive a liquid dropping through the opening 6, and a linkage part 20 which is arranged at a corner part of the floor panel 2 so as to relay washing water sprinkled onto the floor panel 2. The linkage part 20 has a water supply opening 24 for accepting the washing water, a water sprinkling opening 33 for sprinkling the washing water onto the floor panel 2, and a discharge opening 25 for discharging the washing water to the other linkage part 20.
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