新加坡的建筑整洁、漂亮,外观色彩鲜艳。住宅建筑墙面均用多种彩色涂料装饰,很雅致。高层建筑的给排水管道安装在室内,使建筑外立面整洁、美观。排水管道不设管道井,也不包覆。为防碰撞损害,公共走道部位的给水主干管和煤气主干管采用带活动门的扁平槽保护,占用面积很小。住户室内的给排水管道均为明装,新加坡政府规定,即使用户 Singapore’s buildings are clean, beautiful and colorful. The residential building walls are decorated with a variety of colored paints and are elegant. The water supply and drainage pipes of high-rise buildings are installed indoors so that the building facades are clean and beautiful. The drainage pipe does not have a pipe well and is not covered. In order to prevent collision damage, the main water supply pipe and the gas main pipe at the public walkway are protected by a flat groove with a movable door, and the occupied area is very small. The indoor water supply and drainage pipelines are all surface mounted and the Singapore government stipulates that even users