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　　9月5日, 由葛洲壩集團五公司承建的穿黃隧洞項目成功掘進1000米。

　　穿(chuan)黃(huang)工(gong)(gong)程(cheng)是南水(shui)北(bei)調中線干線的關(guan)鍵工(gong)(gong)程(cheng)，隧洞內徑(jing)7米，外徑(jing)8.7米，深埋于(yu)(yu)黃(huang)河(he)河(he)床下23至35米處(chu)，采用(yong)盾(dun)構技(ji)術開挖掘進(jin)。這是我國(guo)首(shou)(shou)次(ci)(ci)采用(yong)大直徑(jing)盾(dun)構機穿(chuan)越黃(huang)河(he)，也是我國(guo)首(shou)(shou)次(ci)(ci)采用(yong)盾(dun)構技(ji)術在軟基進(jin)行長距離(li)輸水(shui)隧道(dao)工(gong)(gong)程(cheng)，具有極大的技(ji)術挑(tiao)戰(zhan)性。葛洲壩(ba)集團五(wu)公(gong)司承擔了穿(chuan)黃(huang)隧洞II-A標的施工(gong)(gong)。該(gai)標段的穿(chuan)黃(huang)隧洞全長4250米，使(shi)用(yong)泥(ni)水(shui)平衡式盾(dun)構機自北(bei)向南推進(jin)。工(gong)(gong)程(cheng)于(yu)(yu)2005年9月(yue)開工(gong)(gong)，計劃于(yu)(yu)2010年3月(yue)完工(gong)(gong)，總工(gong)(gong)期54.7個月(yue)。

　　工(gong)(gong)(gong)程(cheng)(cheng)開工(gong)(gong)(gong)以(yi)來，葛洲壩(ba)穿(chuan)黃項目(mu)部按照“營造和諧文(wen)明(ming)建(jian)設(she)環境，創建(jian)世紀一流精品工(gong)(gong)(gong)程(cheng)(cheng)”的思路(lu)，狠抓安全、文(wen)明(ming)施(shi)(shi)工(gong)(gong)(gong)，嚴格(ge)施(shi)(shi)工(gong)(gong)(gong)質量控制，使工(gong)(gong)(gong)程(cheng)(cheng)建(jian)設(she)順利推(tui)進(jin)。目(mu)前(qian)，項目(mu)部已(yi)完成質量評定的單元工(gong)(gong)(gong)程(cheng)(cheng)達134個(ge)，評定優良率為96.2%；項目(mu)部全年無安全責任(ren)事故發生；文(wen)明(ming)施(shi)(shi)工(gong)(gong)(gong)也受(shou)到上級主管部門(men)的好評，先后被國(guo)務院南(nan)水北調(diao)工(gong)(gong)(gong)程(cheng)(cheng)建(jian)設(she)委員(yuan)會辦公(gong)室授予(yu)“文(wen)明(ming)施(shi)(shi)工(gong)(gong)(gong)單位(wei)”、“文(wen)明(ming)工(gong)(gong)(gong)地”稱號。