水(shui)(shui)下清(qing)理清(qing)污時(shi)應注意(yi)糾偏幅度(du)不宜過大，頻率不宜過高。制作底節沉(chen)井圍堰，浮(fu)運至墩位(wei)處(chu)定位(wei)，通(tong)過水(shui)(shui)上起(qi)重(zhong)(zhong)設備起(qi)吊，放(fang)入水(shui)(shui)中浮(fu)起(qi)，并用導向船和纜繩將(jiang)其(qi)在流水(shui)(shui)中定位(wei)，在向空壁中注水(shui)(shui)壓重(zhong)(zhong)下沉(chen)并逐層接高壓重(zhong)(zhong)，同(tong)時(shi)吸泥(ni)下沉(chen)。當圍堰下沉(chen)至巖(yan)面時(shi)，可(ke)以(yi)將(jiang)刃腳與(yu)巖(yan)面空隙填(tian)實，再向空壁中注水(shui)(shui)壓重(zhong)(zhong)使其(qi)不再懸浮(fu)。

水(shui)(shui)下(xia)清理清污(wu)是應(ying)該注意海(hai)流(liu)有一定的(de)流(liu)向(xiang)和(he)流(liu)速，有的(de)海(hai)域還多層流(liu)，在這種情況下(xia)，海(hai)流(liu)在不(bu)同的(de)深(shen)度，有其各自的(de)流(liu)向(xiang)和(he)流(liu)速，而(er)(er)且流(liu)向(xiang)和(he)流(liu)速隨時(shi)間的(de)變(bian)化而(er)(er)變(bian)化。在江、河中，同樣也存在著(zhu)水(shui)(shui)的(de)流(liu)動(dong)。須派有經(jing)(jing)驗的(de)潛(qian)(qian)水(shui)(shui)員下(xia)潛(qian)(qian)，同時(shi)水(shui)(shui)面(mian)應(ying)安排有經(jing)(jing)驗的(de)潛(qian)(qian)水(shui)(shui)員擔任應(ying)急救護潛(qian)(qian)水(shui)(shui)員。潛(qian)(qian)水(shui)(shui)員下(xia)潛(qian)(qian)和(he)上(shang)升時(shi)必(bi)須緊握入水(shui)(shui)繩(sheng)，必(bi)要時(shi)應(ying)使(shi)用(yong)鉤。在水(shui)(shui)底時(shi)不(bu)得離開行動(dong)繩(sheng)。盡量采(cai)用(yong)水(shui)(shui)面(mian)減壓(ya)法，減壓(ya)方(fang)案應(ying)選用(yong)延長(chang)方(fang)案。

水(shui)工(gong)(gong)(gong)程(cheng)有限公司(si)專業(ye)從事水(shui)下(xia)打撈、水(shui)下(xia)工(gong)(gong)(gong)程(cheng)、潛水(shui)工(gong)(gong)(gong)程(cheng)服務(wu)(wu)的(de)(de)潛水(shui)工(gong)(gong)(gong)程(cheng)服務(wu)(wu)公司(si),公司(si)擁有20多年相關水(shui)下(xia)作業(ye)經驗數以千(qian)計(ji)的(de)(de)水(shui)下(xia)打撈成功案例。我公司(si)在(zai)施(shi)工(gong)(gong)(gong)中注重質(zhi)量、講(jiang)究(jiu)譽、遵守(shou)合同、確保(bao)。曾(ceng)經先(xian)后為橋梁(liang)、石油、電(dian)力(li)、航運等行業(ye)進(jin)行了數千(qian)次的(de)(de)水(shui)下(xia) 施(shi)工(gong)(gong)(gong)任務(wu)(wu)。