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水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)工(gong)(gong)(gong)(gong)程(cheng)主要(yao)(yao)(yao)有(you)(you)水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)鋼筋(jin)籠、水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)鋼圍堰(yan)、水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)鋼管(guan)樁、水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)變形護筒、水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)灌注(zhu)(zhu)樁、水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)沉船等(deng)。水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)的(de)一(yi)個(ge)重要(yao)(yao)(yao)特點(dian)是：有(you)(you)大量、多方(fang)(fang)面(mian)的(de)準(zhun)(zhun)(zhun)備工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)，一(yi)般包括下(xia)(xia)述幾(ji)個(ge)方(fang)(fang)面(mian)： 　　(1)調查作(zuo)(zuo)(zuo)(zuo)(zuo)業區氣(qi)(qi)(qi)(qi)(qi)象、水(shui)(shui)(shui)(shui)深、水(shui)(shui)(shui)(shui)溫、流(liu)(liu)速等(deng)環境情況。當(dang)(dang)水(shui)(shui)(shui)(shui)面(mian)風力小于(yu)(yu)(yu)6級、作(zuo)(zuo)(zuo)(zuo)(zuo)業點(dian)水(shui)(shui)(shui)(shui)流(liu)(liu)流(liu)(liu)速小于(yu)(yu)(yu)0.1^}0.3m/s時(shi)，方(fang)(fang)可(ke)進行(xing)(xing)作(zuo)(zuo)(zuo)(zuo)(zuo)業。 　　(2)水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)前應(ying)(ying)查明(ming)被切(qie)(qie)割(ge)(ge)件的(de)性質(zhi)(zhi)和(he)結構特點(dian)，弄清(qing)作(zuo)(zuo)(zuo)(zuo)(zuo)業對象內(nei)(nei)(nei)是否存有(you)(you)易(yi)燃(ran)、易(yi)爆和(he)有(you)(you)毒物(wu)質(zhi)(zhi)。對可(ke)能(neng)墜落、倒塌物(wu)體(ti)要(yao)(yao)(yao)適當(dang)(dang)固定，尤(you)其水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)時(shi)應(ying)(ying)特別(bie)注(zhu)(zhu)意，防(fang)(fang)止砸(za)傷或損(sun)傷供(gong)氣(qi)(qi)(qi)(qi)(qi)管(guan)及(ji)電(dian)纜(lan)。 　　(3)下(xia)(xia)潛(qian)(qian)前，在(zai)(zai)(zai)水(shui)(shui)(shui)(shui)上(shang)，應(ying)(ying)對切(qie)(qie)割(ge)(ge)設(she)備及(ji)工(gong)(gong)(gong)(gong)具(ju)、潛(qian)(qian)水(shui)(shui)(shui)(shui)裝具(ju)，供(gong)氣(qi)(qi)(qi)(qi)(qi)管(guan)和(he)電(dian)纜(lan)、通訊聯絡工(gong)(gong)(gong)(gong)具(ju)等(deng)的(de)絕緣(yuan)、水(shui)(shui)(shui)(shui)密、工(gong)(gong)(gong)(gong)藝性能(neng)進行(xing)(xing)檢查試驗(yan)。氧氣(qi)(qi)(qi)(qi)(qi)膠管(guan)要(yao)(yao)(yao)用1.5倍工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)壓力的(de)蒸汽(qi)或熱(re)水(shui)(shui)(shui)(shui)清(qing)洗，膠管(guan)內(nei)(nei)(nei)外不得粘(zhan)附油脂。氣(qi)(qi)(qi)(qi)(qi)管(guan)與(yu)電(dian)纜(lan)應(ying)(ying)每隔.5m捆扎牢固，以(yi)免相互絞纏。入水(shui)(shui)(shui)(shui)下(xia)(xia)潛(qian)(qian)后(hou)，應(ying)(ying)及(ji)時(shi)整理(li)好(hao)供(gong)氣(qi)(qi)(qi)(qi)(qi)管(guan)、電(dian)纜(lan)和(he)信號繩(sheng)等(deng)，使(shi)其處(chu)(chu)于(yu)(yu)(yu)位置，以(yi)免損(sun)壞(huai)。 　　(4)在(zai)(zai)(zai)作(zuo)(zuo)(zuo)(zuo)(zuo)業點(dian)上(shang)方(fang)(fang)，半徑相當(dang)(dang)于(yu)(yu)(yu)水(shui)(shui)(shui)(shui)深的(de)區域內(nei)(nei)(nei)，不得同時(shi)進行(xing)(xing)其它(ta)作(zuo)(zuo)(zuo)(zuo)(zuo)業。因水(shui)(shui)(shui)(shui)下(xia)(xia)操作(zuo)(zuo)(zuo)(zuo)(zuo)過程(cheng)中(zhong)會有(you)(you)未燃(ran)盡氣(qi)(qi)(qi)(qi)(qi)體(ti)或有(you)(you)毒氣(qi)(qi)(qi)(qi)(qi)體(ti)逸出并上(shang)浮至水(shui)(shui)(shui)(shui)面(mian)，水(shui)(shui)(shui)(shui)上(shang)人(ren)(ren)(ren)員應(ying)(ying)有(you)(you)防(fang)(fang)火準(zhun)(zhun)(zhun)備措施(shi)，并應(ying)(ying)將(jiang)供(gong)氣(qi)(qi)(qi)(qi)(qi)泵(beng)置于(yu)(yu)(yu)上(shang)風處(chu)(chu)，以(yi)防(fang)(fang)著火或水(shui)(shui)(shui)(shui)下(xia)(xia)人(ren)(ren)(ren)員吸(xi)入有(you)(you)毒氣(qi)(qi)(qi)(qi)(qi)體(ti)中(zhong)毒。 　　(5)操作(zuo)(zuo)(zuo)(zuo)(zuo)前，操作(zuo)(zuo)(zuo)(zuo)(zuo)人(ren)(ren)(ren)員應(ying)(ying)對作(zuo)(zuo)(zuo)(zuo)(zuo)業地點(dian)進行(xing)(xing)處(chu)(chu)理(li)，移去周(zhou)圍的(de)障礙(ai)物(wu)。水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)不得懸浮在(zai)(zai)(zai)水(shui)(shui)(shui)(shui)中(zhong)作(zuo)(zuo)(zuo)(zuo)(zuo)業，應(ying)(ying)事(shi)先安(an)裝操作(zuo)(zuo)(zuo)(zuo)(zuo)平臺，或在(zai)(zai)(zai)物(wu)件上(shang)選擇的(de)操作(zuo)(zuo)(zuo)(zuo)(zuo)位置，避免使(shi)自身、潛(qian)(qian)水(shui)(shui)(shui)(shui)裝具(ju)、供(gong)氣(qi)(qi)(qi)(qi)(qi)管(guan)和(he)電(dian)纜(lan)等(deng)處(chu)(chu)于(yu)(yu)(yu)熔渣(zha)噴濺或流(liu)(liu)動范圍內(nei)(nei)(nei)。 　　(6)潛(qian)(qian)水(shui)(shui)(shui)(shui)切(qie)(qie)割(ge)(ge)人(ren)(ren)(ren)員與(yu)水(shui)(shui)(shui)(shui)面(mian)支(zhi)持(chi)人(ren)(ren)(ren)員之(zhi)間要(yao)(yao)(yao)有(you)(you)通訊裝置，當(dang)(dang)一(yi)切(qie)(qie)準(zhun)(zhun)(zhun)備工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)就緒(xu)，在(zai)(zai)(zai)取得支(zhi)持(chi)人(ren)(ren)(ren)員同意后(hou)，焊割(ge)(ge)人(ren)(ren)(ren)員方(fang)(fang)可(ke)開始作(zuo)(zuo)(zuo)(zuo)(zuo)業。 　　(7)從(cong)事(shi)水(shui)(shui)(shui)(shui)下(xia)(xia)切(qie)(qie)割(ge)(ge)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)，必須由經過專(zhuan)門培訓并持(chi)有(you)(you)此類工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)許(xu)可(ke)證的(de)人(ren)(ren)(ren)員進行(xing)(xing)。

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