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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)(huang)工(gong)(gong)(gong)程是(shi)(shi)南水(shui)北調中線(xian)干線(xian)的關鍵工(gong)(gong)(gong)程，隧(sui)洞內徑(jing)(jing)7米(mi)，外徑(jing)(jing)8.7米(mi)，深埋于(yu)(yu)黃(huang)(huang)河(he)河(he)床下23至35米(mi)處，采用(yong)盾(dun)構(gou)技術(shu)(shu)開挖掘進。這是(shi)(shi)我(wo)國(guo)(guo)首次(ci)采用(yong)大(da)直徑(jing)(jing)盾(dun)構(gou)機穿(chuan)越黃(huang)(huang)河(he)，也是(shi)(shi)我(wo)國(guo)(guo)首次(ci)采用(yong)盾(dun)構(gou)技術(shu)(shu)在(zai)軟基進行長距(ju)離輸水(shui)隧(sui)道(dao)工(gong)(gong)(gong)程，具有極(ji)大(da)的技術(shu)(shu)挑(tiao)戰性。葛洲壩集團五公(gong)司承擔了穿(chuan)黃(huang)(huang)隧(sui)洞II-A標的施工(gong)(gong)(gong)。該(gai)標段的穿(chuan)黃(huang)(huang)隧(sui)洞全長4250米(mi)，使用(yong)泥水(shui)平(ping)衡式盾(dun)構(gou)機自北向南推進。工(gong)(gong)(gong)程于(yu)(yu)2005年(nian)9月(yue)開工(gong)(gong)(gong)，計劃于(yu)(yu)2010年(nian)3月(yue)完工(gong)(gong)(gong)，總工(gong)(gong)(gong)期54.7個月(yue)。

　　工(gong)(gong)程開工(gong)(gong)以來，葛洲壩穿黃項(xiang)目(mu)(mu)部(bu)按照“營造和諧文(wen)明建(jian)設環境，創建(jian)世紀一流精品工(gong)(gong)程”的思路，狠(hen)抓安(an)(an)全、文(wen)明施(shi)工(gong)(gong)，嚴(yan)格施(shi)工(gong)(gong)質量控制，使工(gong)(gong)程建(jian)設順利推進。目(mu)(mu)前，項(xiang)目(mu)(mu)部(bu)已(yi)完成(cheng)質量評定的單元工(gong)(gong)程達134個，評定優良率(lv)為96.2%；項(xiang)目(mu)(mu)部(bu)全年無(wu)安(an)(an)全責任事(shi)故(gu)發生；文(wen)明施(shi)工(gong)(gong)也受到上級主管(guan)部(bu)門的好評，先后(hou)被(bei)國務院南(nan)水北調工(gong)(gong)程建(jian)設委員會辦公室授(shou)予(yu)“文(wen)明施(shi)工(gong)(gong)單位”、“文(wen)明工(gong)(gong)地”稱號。