根據施(shi)工(gong)(gong)(gong)(gong)地點，條件(jian)不(bu)同而不(bu)同，建筑工(gong)(gong)(gong)(gong)程須全(quan)封(feng)(feng)(feng)閉(bi)(bi)(bi)，市(shi)區主要道(dao)路或人流大的(de)(de)不(bu)得(de)低于2.5米(mi)，其余(yu)不(bu)得(de)低于1.8米(mi)，一(yi)般半(ban)(ban)(ban)封(feng)(feng)(feng)閉(bi)(bi)(bi)多(duo)見(jian)于市(shi)政工(gong)(gong)(gong)(gong)程，所謂的(de)(de)半(ban)(ban)(ban)封(feng)(feng)(feng)閉(bi)(bi)(bi)指兩面(mian)(mian)或三面(mian)(mian)設(she)(she)(she)立圍(wei)(wei)擋，一(yi)面(mian)(mian)或兩面(mian)(mian)開(kai)放，便于施(shi)工(gong)(gong)(gong)(gong)機具材(cai)料的(de)(de)進出。具體要怎么設(she)(she)(she)置根據招標(biao)文件(jian)、圖紙、現(xian)場環境，施(shi)工(gong)(gong)(gong)(gong)組織設(she)(she)(she)計在(zai)保證安全(quan)的(de)(de)情況下(xia)來確(que)定。舉個例子，假(jia)設(she)(she)(she)市(shi)政工(gong)(gong)(gong)(gong)程在(zai)鬧市(shi)，一(yi)個道(dao)路維修工(gong)(gong)(gong)(gong)程，半(ban)(ban)(ban)幅開(kai)放交通，半(ban)(ban)(ban)幅維修，這(zhe)個時候就(jiu)需要全(quan)封(feng)(feng)(feng)閉(bi)(bi)(bi)，保證不(bu)會(hui)有(you)行人誤入(ru)而引(yin)發危(wei)險(xian)。再假(jia)設(she)(she)(she)一(yi)條新建道(dao)路位(wei)于郊區，一(yi)端與老(lao)路相接(jie)，另一(yi)端為野地，那么只需要在(zai)新老(lao)路交接(jie)處設(she)(she)(she)立單面(mian)(mian)的(de)(de)圍(wei)(wei)墻和一(yi)扇門(men)即可，其余(yu)三面(mian)(mian)可以不(bu)封(feng)(feng)(feng)閉(bi)(bi)(bi)。全(quan)封(feng)(feng)(feng)閉(bi)(bi)(bi)圍(wei)(wei)擋：將整個施(shi)工(gong)(gong)(gong)(gong)范圍(wei)(wei)用硬(ying)質材(cai)料圍(wei)(wei)起來，組成全(quan)封(feng)(feng)(feng)閉(bi)(bi)(bi)圍(wei)(wei)墻半(ban)(ban)(ban)封(feng)(feng)(feng)閉(bi)(bi)(bi)：有(you)一(yi)面(mian)(mian)或多(duo)個面(mian)(mian)不(bu)設(she)(she)(she)圍(wei)(wei)擋的(de)(de)，即為半(ban)(ban)(ban)封(feng)(feng)(feng)閉(bi)(bi)(bi)。

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