國家(jia)現行標準CJJ／T 28《城鎮(zhen)供熱(re)管(guan)網工(gong)(gong)程施(shi)工(gong)(gong)及驗收規(gui)范》適用于(yu)采用明(ming)挖、暗挖、頂管(guan)、定向鉆等施(shi)工(gong)(gong)工(gong)(gong)藝，并符合下列參(can)數(shu)的城鎮(zhen)供熱(re)管(guan)網工(gong)(gong)程的施(shi)工(gong)(gong)及驗收：

  工作壓力小(xiao)于(yu)(yu)(yu)(yu)或(huo)(huo)等(deng)(deng)于(yu)(yu)(yu)(yu)1.6MPa，介(jie)質溫度小(xiao)于(yu)(yu)(yu)(yu)或(huo)(huo)等(deng)(deng)于(yu)(yu)(yu)(yu)350℃的蒸汽管網；工作壓力小(xiao)于(yu)(yu)(yu)(yu)或(huo)(huo)等(deng)(deng)于(yu)(yu)(yu)(yu)2.5MPa，介(jie)質溫度小(xiao)于(yu)(yu)(yu)(yu)或(huo)(huo)等(deng)(deng)于(yu)(yu)(yu)(yu)200℃的熱水管網。