Designof BuildingWaterSupplyandDrainageof a High-riseSuperFive-starHotel Pang Jianxiong （Guangzhou Residential Architecture Design Institute Guangzhou 510623，China） Abstract：This paper introduce the design of building water supply and drainage of The Ritz-Carlton Guangzhou，provide a design case of building water supply and drainage for high-rise Super five-star hotel which manage by foreign hotels