The water supply and drainage construction drawings of the eighth floor hotel include the water supply and drainage plan of the first floor, the water supply and drainage plan of the first floor, the water supply development system diagram, the hot water development system diagram, the rainwater development system diagram, etc. The building is equipped with domestic water supply system, domestic hot water system, domestic drainage system, rainwater system, swimming pool circulating water treatment system, fire hydrant water supply system Automatic sprinkler system, water jet