随着高档商品住宅楼的大面积施工,户内给水管线敷设方式也由明装改为暗装,但对于户内给水支管的敷设位置始终是设计院和许多施工单位要面对的难题。给水管道埋地暗装敷设位置到底应在防水层之上还是在防水层之下,对这两种做法的施工利弊众说纷纭。将给水支管放在防水层之上的做法能够保证维修水管时不破坏防水层,但给水支管的固定支架却可能破坏防水层;若将给水支管放在防水层下,则给水支管的维修必须在将防水层 With the large-scale construction of high-end commercial residential buildings, the laying of indoor water supply pipelines is also changed from “bright outfit” to “dark outfit.” However, the laying of indoor water supply pipelines has always been a challenge for design institutes and many construction units. Whether the buried pipe laying location should be above the waterproof layer or under the waterproof layer should be divided on the advantages and disadvantages of the two approaches. Water pipes on the waterproof layer placed on top of the practice to ensure maintenance of the pipe without damaging the waterproof layer, but the water supply pipe support bracket may damage the waterproof layer; if the water supply pipe under the waterproof layer, the water branch pipe repair must be in Will waterproof layer