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打响电缆下地改造攻坚战

2017-08-26 08:37:05   中国青年网

□ 本报记者 姜 斌

本报通讯员 付 野 陈晓娴

8月7日,立秋。泰安地区室外实时温度高达35摄氏度,太阳像个大火炉,人一动浑身冒汗。在国网泰安供电公司220千伏天平站肥天线5号井电缆敷设改造现场,18名施工人员在电缆沟内正猫腰协作,在电缆沟里肩扛着电缆一尺尺缓缓牵进。

泰安220千伏天平站部分架空线路处在泰安地区重要的枢纽站泰山高铁站附近,为配合泰安市高铁新区改造、美化新区环境、创建文明城市的要求,国网泰安供电公司计划将220千伏天平站部分架空线路改为电缆入地。此次电缆下地改造范围广,220千伏肥天、安天、楼铁、天楼线架空线路改造为电缆线路,天铁线电缆改造,累计新建电缆线路18.41公里,计划10月底完成全部施工改造。

220千伏肥天、安天、楼铁、天楼线、天铁线线路改造分两阶段进行,第一阶段线路停电前需将新建电缆全部展放完成,具备停电、接火条件。第二阶段线路停电后进行铁塔组立、线路开断、电缆头制作、安装、试验、电缆头连接等工作。

由于工程量大,改造时间紧迫,地段复杂,而且又面临高温天气,为工程的推进带来不小的难题。为集中火力尽快完成工作,该公司施工人员一般清晨5点50分就到达现场,趁着早晨凉爽加班加点开展作业。由于前几天泰安地区大雨频繁,在旧电缆沟和新电缆沟的交汇处,土方坍塌严重,给施工造成了不小的困难。

为确保施工改造保质保量地完成,国网泰安供电公司科学部署安全生产工作。一是时刻注意天气的变化,合理安排作业时间,根据气温条件,采用“分时作业法”,有效避开高温时段,严防高温中暑,确保作业人员充分休息,以提高工作效率。二是为保障施工安全,该公司还坚持“先通风、再检测、后作业”的原则,规范作业人员行为,严禁施工人员因天气炎热而不正确穿戴工作服、安全帽,切实消除各类违章和事故隐患。尤其针对电缆施工,该公司制订了电缆施工技术及质量措施,以保障电缆在运输装卸过程中,电缆及电缆盘不受到损伤。同时严格施工工艺和安全管控,确保在电缆终端头制作过程中的安全,达到施工标准要求。

截至8月7日,国网泰安供电公司完成220千伏天平站楼铁线电缆敷设任务,等待送电。其他4条线路正在紧张施工中。

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