随州市首次深度井下管网清淤成功
2009
11/02
19:25
3585
我市西护城河截污干管大部分管道堵塞、排水不畅，近期我市首次尝试深度井下管网清淤作业获得成功。西护城河大部分截污干管直径只有八百毫米，深埋于地下五米，再加上检查井和管道内沼气及其他有毒气体弥漫。工作人员首次尝试深度井下管网清淤作业，他们带着氧气设备和清淤工具，冒着危险在管道中爬行作业。经过十四天的艰苦努力，共清运杂物淤泥四十七车，完成了二千八百米截污干管的清淤排障任务。
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