杭州闹市区自来水管破损，路面一度成“汪洋”正抢修
12月15日9时许，杭州闹市区的建国北路文晖路口因自来水管破损发生路面大量积水，一度影响出行，中午前道路交通基本恢复，抢修工作预计22时完成。
据了解，破损的DN800供水管道为直径800mm的供水管道，漏水点位于交通流量密集的主干道交叉口。该处管道为1995年敷设的铸铁管，据现场情况判断，管道老旧、周边施工、路面荷载、沉降不均、气温骤降等都可能造成管道破损，具体原因还待查实。
杭州新闻客户端 图
据杭州市水务集团下午通报，初步判断为DN800供水管道破损漏水，维修人员共关闭DN800阀门3只、DN400阀门2只、DN300阀门1只，10时40分完成止水及积水清除，抢修挖机同步进场施工。至15日13时，通过调整阀门启闭，停水或降压影响范围已从最初的1500多户缩小至约490户。据了解，破损的DN800供水管道为直径800mm的供水管道，漏水点位于交通流量密集的主干道交叉口。该处管道为1995年敷设的铸铁管，据现场情况判断，管道老旧、周边施工、路面荷载、沉降不均、气温骤降等都可能造成管道破损，具体原因还待查实。
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