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8、项目建设范围和内容:对西区及丁万河污水处理厂服务片区过河管、沿河截污管、检查井进行清淤、检测、修复。其中过河管约24处;沿故黄河截污管8.1km(DN40 0管道1.5km,DN500管道1.0km,DN800管道5.6km),沿丁