基(ji)坑(keng)工(gong)程應(ying)(ying)由(you)建(jian)設方(fang)委托(tuo)具備相應(ying)(ying)資質的第三方(fang)對基(ji)坑(keng)工(gong)程實(shi)施現場監(jian)(jian)測。監(jian)(jian)測單位(wei)應(ying)(ying)編制監(jian)(jian)測方(fang)案，基(ji)坑(keng)監(jian)(jian)測單位(wei)應(ying)(ying)嚴(yan)格(ge)按監(jian)(jian)測方(fang)案對基(ji)坑(keng)施工(gong)期(qi)與(yu)使用期(qi)進行(xing)監(jian)(jian)測。

當(dang)出現(xian)下(xia)列情況之(zhi)在基礎施(shi)(shi)工(gong)(gong)及開挖槽、坑、溝土方前，建(jian)設單位必須(xu)以書面形式向基坑施(shi)(shi)工(gong)(gong)企業(ye)提(ti)供詳(xiang)細(xi)的(de)與施(shi)(shi)工(gong)(gong)現(xian)場(chang)相關的(de)供水(shui)、排(pai)水(shui)、供電、供氣、供熱、通信(xin)、廣播電視等(deng)地上(shang)(shang)、地下(xia)管線資(zi)料和氣象、水(shui)文(wen)觀測(ce)資(zi)料，并保(bao)證資(zi)料的(de)真實、準確、完(wan)整(zheng)；施(shi)(shi)工(gong)(gong)企業(ye)應制定地上(shang)(shang)、地下(xia)管線保(bao)護措(cuo)施(shi)(shi)。一時，必須(xu)立(li)即(ji)報警，并對基坑支護結(jie)構和周邊環(huan)境中(zhong)的(de)保(bao)護對象采取應急措(cuo)施(shi)(shi)。

提(ti)醒您降(jiang)水(shui)施(shi)工(gong)(gong)(gong)(gong)是(shi)指(zhi)在地(di)(di)下(xia)水(shui)位較高的地(di)(di)區開挖深基(ji)坑，由于含(han)水(shui)層(ceng)被切(qie)斷(duan)，在壓(ya)差(cha)作用(yong)下(xia)，地(di)(di)下(xia)水(shui)必(bi)然會(hui)不斷(duan)地(di)(di)滲流入(ru)基(ji)坑，如不進行基(ji)坑降(jiang)排(pai)(pai)水(shui)工(gong)(gong)(gong)(gong)作，將會(hui)造成基(ji)坑浸水(shui)，使現場施(shi)工(gong)(gong)(gong)(gong)條件變(bian)差(cha)，地(di)(di)基(ji)承載(zai)力(li)下(xia)降(jiang)，在動水(shui)壓(ya)力(li)作用(yong)下(xia)還可能(neng)引起流砂(sha)、管涌(yong)和(he)邊坡(po)失(shi)穩等現象，因此(ci)，為確保基(ji)坑施(shi)工(gong)(gong)(gong)(gong)安全，必(bi)須采取有效的降(jiang)水(shui)和(he)排(pai)(pai)水(shui)措施(shi)，亦稱降(jiang)水(shui)工(gong)(gong)(gong)(gong)程。

基(ji)(ji)坑(keng)(keng)降(jiang)(jiang)水工(gong)(gong)(gong)(gong)程需要專業(ye)資(zi)(zi)質(zhi)(zhi)；土方(fang)開挖(wa)(wa)工(gong)(gong)(gong)(gong)程，基(ji)(ji)坑(keng)(keng)支護(hu)，降(jiang)(jiang)水工(gong)(gong)(gong)(gong)程施工(gong)(gong)(gong)(gong)應由(you)具(ju)有相應資(zi)(zi)質(zhi)(zhi)及安全生產許(xu)可(ke)證的(de)企業(ye)承擔；在基(ji)(ji)礎(chu)施工(gong)(gong)(gong)(gong)及開挖(wa)(wa)槽(cao)，坑(keng)(keng)，溝(gou)土方(fang)前，建設(she)單(dan)位(wei)以書面形(xing)式(shi)向基(ji)(ji)坑(keng)(keng)施工(gong)(gong)(gong)(gong)企業(ye)提供詳細的(de)；基(ji)(ji)坑(keng)(keng)工(gong)(gong)(gong)(gong)程應由(you)建設(she)方(fang)對基(ji)(ji)坑(keng)(keng)工(gong)(gong)(gong)(gong)程實施現場監(jian)測，應嚴格按監(jian)測方(fang)案對基(ji)(ji)坑(keng)(keng)施工(gong)(gong)(gong)(gong)期(qi)與使用期(qi)進行監(jian)測；基(ji)(ji)坑(keng)(keng)支護(hu)結(jie)構施工(gong)(gong)(gong)(gong)完成后，由(you)建設(she)單(dan)位(wei)委托有相應資(zi)(zi)質(zhi)(zhi)的(de)檢測單(dan)位(wei)對支護(hu)結(jie)構進行檢測，并按要求(qiu)提交(jiao)檢測報告。