根據(ju)施(shi)工(gong)(gong)(gong)(gong)地點(dian)，條件不(bu)(bu)(bu)同而(er)不(bu)(bu)(bu)同，建筑(zhu)工(gong)(gong)(gong)(gong)程須(xu)全(quan)(quan)封(feng)(feng)(feng)閉(bi)(bi)，市區主要(yao)道(dao)路(lu)或(huo)人(ren)流(liu)大的(de)(de)不(bu)(bu)(bu)得(de)低(di)于2.5米，其余不(bu)(bu)(bu)得(de)低(di)于1.8米，一(yi)般半(ban)封(feng)(feng)(feng)閉(bi)(bi)多見于市政工(gong)(gong)(gong)(gong)程，所謂的(de)(de)半(ban)封(feng)(feng)(feng)閉(bi)(bi)指兩(liang)面(mian)(mian)或(huo)三面(mian)(mian)設(she)立(li)圍(wei)(wei)(wei)擋，一(yi)面(mian)(mian)或(huo)兩(liang)面(mian)(mian)開(kai)放，便(bian)于施(shi)工(gong)(gong)(gong)(gong)機具(ju)材料的(de)(de)進出(chu)。具(ju)體(ti)要(yao)怎么設(she)置根據(ju)招標文(wen)件、圖紙、現場(chang)環境，施(shi)工(gong)(gong)(gong)(gong)組織設(she)計在(zai)(zai)保證(zheng)安全(quan)(quan)的(de)(de)情況下來(lai)確定。舉個(ge)例子(zi)，假設(she)市政工(gong)(gong)(gong)(gong)程在(zai)(zai)鬧(nao)市，一(yi)個(ge)道(dao)路(lu)維(wei)修(xiu)(xiu)工(gong)(gong)(gong)(gong)程，半(ban)幅開(kai)放交通，半(ban)幅維(wei)修(xiu)(xiu)，這個(ge)時候就需要(yao)全(quan)(quan)封(feng)(feng)(feng)閉(bi)(bi)，保證(zheng)不(bu)(bu)(bu)會(hui)有行人(ren)誤入而(er)引發(fa)危險。再假設(she)一(yi)條新建道(dao)路(lu)位于郊區，一(yi)端(duan)與(yu)老路(lu)相接，另一(yi)端(duan)為野地，那么只需要(yao)在(zai)(zai)新老路(lu)交接處設(she)立(li)單面(mian)(mian)的(de)(de)圍(wei)(wei)(wei)墻(qiang)和一(yi)扇(shan)門即(ji)可，其余三面(mian)(mian)可以不(bu)(bu)(bu)封(feng)(feng)(feng)閉(bi)(bi)。全(quan)(quan)封(feng)(feng)(feng)閉(bi)(bi)圍(wei)(wei)(wei)擋：將(jiang)整個(ge)施(shi)工(gong)(gong)(gong)(gong)范圍(wei)(wei)(wei)用硬質材料圍(wei)(wei)(wei)起來(lai)，組成全(quan)(quan)封(feng)(feng)(feng)閉(bi)(bi)圍(wei)(wei)(wei)墻(qiang)半(ban)封(feng)(feng)(feng)閉(bi)(bi)：有一(yi)面(mian)(mian)或(huo)多個(ge)面(mian)(mian)不(bu)(bu)(bu)設(she)圍(wei)(wei)(wei)擋的(de)(de)，即(ji)為半(ban)封(feng)(feng)(feng)閉(bi)(bi)。

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