國家(jia)現行標準CJJ／T 28《城(cheng)鎮(zhen)供熱管(guan)(guan)網工(gong)程施(shi)工(gong)及(ji)驗收規范》適用于采用明挖、暗挖、頂管(guan)(guan)、定向鉆等施(shi)工(gong)工(gong)藝，并符合(he)下列參數的城(cheng)鎮(zhen)供熱管(guan)(guan)網工(gong)程的施(shi)工(gong)及(ji)驗收：
工作壓(ya)(ya)力小(xiao)于(yu)(yu)(yu)或等于(yu)(yu)(yu)1.6MPa，介(jie)質(zhi)溫度小(xiao)于(yu)(yu)(yu)或等于(yu)(yu)(yu)350℃的蒸汽(qi)管網；工作壓(ya)(ya)力小(xiao)于(yu)(yu)(yu)或等于(yu)(yu)(yu)2.5MPa，介(jie)質(zhi)溫度小(xiao)于(yu)(yu)(yu)或等于(yu)(yu)(yu)200℃的熱水管網。
