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166天创造电力施工奇迹

2017-08-09 08:35:52   中国青年网

8月8日,长白乌铁路顺利通车。在通车成功的背后,有一支电力施工队伍为其提供了外部供电支持。

这支队伍斗严寒,战酷暑,在166天时间里,组立221基70余米高的铁塔,累计架设线路长度144.06千米,累计架设导地线长度2255.7千米,在零安全生产事故前提下,提前5个月完成了长白乌快速铁路电气化改造外部供电配套工程——这是电力施工的奇迹,而实现这一奇迹的就是长电集团送电工程分公司工程施工管理团队。

从今年年初开始,到7月份结束,长白乌快速铁路电气化改造外部供电配套工程恰好跨越了东北地区冬、春、夏三个季节。冬季,土壤温度位于-5℃以下,工人们要在冰冻的土壤里进行挖坑、浇筑混凝土等基础施工,环境恶劣,工序繁琐周期长;到了春季耕种、夏季农作物旺盛生长期间,铁塔架设导线不可以碰到地面的农作物,还要随时协调好农户以确保施工顺利进行。冒着冰霜雨雪,顶着如火烈日,这支团队用他们的智慧与汗水,艰难而高效地奋战在工地上。

长电集团送电工程分公司施工管理团队平均年龄55岁,每位老师傅都是精干的身形、黝黑的面庞,偶有配上花白的头发,显得身经百战。经历了几十年送电施工工作,工人师傅个个都有足够丰富的经验,但这项有史以来首次当年进场、当年投运的施工项目确实是前所未有的新挑战。

在团队中,尹玉平是年龄最大的一名电力人,今年59岁了。他从19岁入门开始参与电力施工,便和牵张机结下了不解之缘。牵张机对电力架空线路放线施工起到关键作用,一旦发生故障,整个工期都会被耽误,也将导致与此配合的上百名施工人员停摆,无论从工程进度、经济方面都会蒙受巨大损失。可是此次牵张机故障的液压泵是德国进口零件,若返厂维修周期要至少30天并花费6万元。尹师傅当即决定网购相同型号零件,自学钻研液压泵原理,拆卸安装只用了2天、花费2000元就解决了故障,为整个工程进度赢取了28天时间。尹师傅说:“为了能让工程提前投运,工期一环扣一环,争分夺秒一刻都不能耽误。”

这一工程在施工组织及技术方面具有较大的挑战性和创新性。

小合隆项目线路主体采用独特的新式塔型。面对这样从未见过的塔型,团队大量使用机械化施工,完成了无人机放线、创新使用迪尼玛带电跨越索桥、钻越500千伏、跨越66千伏带电线路、跨越高速公路、国道等复杂施工。

小合隆和于家炉项目的两位项目经理刘永清、韩庆春还从农业大棚种植技术中获得灵感,创新使用发电机驱动热风炉,加热空气为铁塔基础保温,节约了施工成本、提高了热效率、减少人员投入,同时消除了安全风险,大大加快了施工进度。

据统计,长白乌快速铁路电气化改造配套工程累计投入人力7.6万人次,其中,管理人员投入8974人次,铁塔组立投入1.9万人次,架线施工6298人次,电气施工及调试投入人员1.38万人次,创下我省类似工程施工历史之最。

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