國(guo)家現行標(biao)準CJJ／T 28《城鎮供(gong)熱(re)管網工(gong)程(cheng)施工(gong)及(ji)驗(yan)收規范》適(shi)用于采(cai)用明挖、暗挖、頂管、定向鉆等施工(gong)工(gong)藝，并符(fu)合(he)下列(lie)參數的城鎮供(gong)熱(re)管網工(gong)程(cheng)的施工(gong)及(ji)驗(yan)收：

  工作壓力小(xiao)于(yu)(yu)或(huo)(huo)等于(yu)(yu)1.6MPa，介(jie)質溫(wen)(wen)度小(xiao)于(yu)(yu)或(huo)(huo)等于(yu)(yu)350℃的(de)蒸汽(qi)管網(wang)；工作壓力小(xiao)于(yu)(yu)或(huo)(huo)等于(yu)(yu)2.5MPa，介(jie)質溫(wen)(wen)度小(xiao)于(yu)(yu)或(huo)(huo)等于(yu)(yu)200℃的(de)熱水管網(wang)。