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为了有效应对隧(sui)洞施工可能面临的(de)隧(sui)洞涌水、突发(fa)环境污染事(shi)件(jian)等突发(fa)险情，6月25日，环北广东(dong)工程(cheng)施工A6标项目紧扣“安(an)全第一、预防为主”的(de)思想，精心组织开展了隧(sui)洞涌水应急救援演练和突发(fa)环境事(shi)件(jian)应急处置演练。

演练(lian)首先模(mo)拟：茶(cha)山支(zhi)洞(dong)(dong)掌子面(mian)开挖作业中(zhong)(zhong)前方软弱围岩夹(jia)层突然涌(yong)水(shui)(shui)(shui)(shui)(shui)(shui)，掌子面(mian)原抽排(pai)(pai)(pai)水(shui)(shui)(shui)(shui)(shui)(shui)能力不足，启(qi)动(dong)隧(sui)洞(dong)(dong)涌(yong)水(shui)(shui)(shui)(shui)(shui)(shui)应(ying)急(ji)预(yu)(yu)案，投入应(ying)急(ji)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)、水(shui)(shui)(shui)(shui)(shui)(shui)带等(deng)应(ying)急(ji)物资，并(bing)启(qi)用(yong)泵(beng)站355千瓦的水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)将废水(shui)(shui)(shui)(shui)(shui)(shui)抽排(pai)(pai)(pai)至(zhi)洞(dong)(dong)口(kou)三级沉淀池(chi)(chi)。演练(lian)随后模(mo)拟：随着(zhe)洞(dong)(dong)口(kou)沉淀池(chi)(chi)洞(dong)(dong)室废水(shui)(shui)(shui)(shui)(shui)(shui)抽排(pai)(pai)(pai)至(zhi)洞(dong)(dong)室废水(shui)(shui)(shui)(shui)(shui)(shui)处(chu)理2号(hao)池(chi)(chi)中(zhong)(zhong)进行加药处(chu)理，由于洞(dong)(dong)室废水(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)突然增(zeng)大、2号(hao)池(chi)(chi)处(chu)理能力不够，出现洞(dong)(dong)室废水(shui)(shui)(shui)(shui)(shui)(shui)未处(chu)理达标(biao)外溢事(shi)件，立(li)即启(qi)动(dong)突发环境事(shi)件预(yu)(yu)案，启(qi)动(dong)1号(hao)废水(shui)(shui)(shui)(shui)(shui)(shui)处(chu)理池(chi)(chi)进行处(chu)理。演练(lian)过程中(zhong)(zhong)，各抢险救(jiu)援组反(fan)应(ying)迅速、配(pei)合(he)有力、行动(dong)高效，各项(xiang)任(ren)务均(jun)在(zai)预(yu)(yu)定时间(jian)内完成，隧(sui)洞(dong)(dong)涌(yong)水(shui)(shui)(shui)(shui)(shui)(shui)应(ying)急(ji)救(jiu)援演练(lian)及突发环境事(shi)件应(ying)急(ji)处(chu)置演练(lian)达到(dao)了(le)预(yu)(yu)期效果。

此次(ci)隧洞涌水应急(ji)(ji)救援演练及(ji)突发环(huan)境(jing)事件(jian)应急(ji)(ji)处(chu)置演练，既检验了环(huan)北广东工(gong)程施(shi)工(gong)A6标项目应急(ji)(ji)救援机制的(de)有效(xiao)性以及(ji)各(ge)小组间的(de)协同作战能力，又通(tong)过实际操作让大(da)家(jia)掌握了有效(xiao)应对隧洞施(shi)工(gong)可能面(mian)临的(de)隧洞涌水、环(huan)境(jing)污染事件(jian)等突发险情的(de)方法。

粤西供水公司西高管理部(bu)、监理部(bu)、设计院等单(dan)位现场观摩(mo)演练(lian)，演练(lian)总结(jie)活动中，各单(dan)位对(dui)本(ben)次(ci)演练(lian)工(gong)作中亮点(dian)进行了点(dian)评，并对(dui)下一步(bu)施(shi)工(gong)A6标(biao)三个工(gong)点(dian)的主支(zhi)洞交叉口施(shi)工(gong)安全管理工(gong)作和环(huan)水保(bao)工(gong)作提出了具体要求(qiu)。