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  5月25日，地鐵13號線一(yi)期工(gong)(gong)(gong)程兩北區(qu)間完成(cheng)(cheng)二(er)襯施(shi)工(gong)(gong)(gong)，成(cheng)(cheng)為首(shou)個(ge)完成(cheng)(cheng)二(er)襯施(shi)工(gong)(gong)(gong)的暗挖區(qu)間。兩北區(qu)間總長1460米(mi)，在前期施(shi)工(gong)(gong)(gong)中(zhong)(zhong)，曾創造了全線首(shou)個(ge)完成(cheng)(cheng)開(kai)挖貫通、初支堵漏及仰拱施(shi)工(gong)(gong)(gong)等多項領先記(ji)錄。在二(er)襯施(shi)工(gong)(gong)(gong)中(zhong)(zhong)，西海岸(an)軌(gui)道公司(si)多次現場調(diao)度，先后克(ke)服了隧道洞徑小、作業(ye)空間有限、洞內臺車組裝困(kun)難等技術(shu)難題，嚴格現場管控，建立(li)質量實名登記(ji)和流水作業(ye)制度，確保了該區(qu)間二(er)襯施(shi)工(gong)(gong)(gong)安全優質高效完成(cheng)(cheng)。