冬季CPVC管材施(shi)(shi)(shi)(shi)工(gong)(gong)時,因塑(su)料管材存在(zai)低(di)溫(wen)脆性(xing)(xing),氣(qi)溫(wen)越低(di),管材的韌(ren)性(xing)(xing)及抗(kang)沖擊性(xing)(xing)性(xing)(xing)能(neng)下降越快,因此需要施(shi)(shi)(shi)(shi)工(gong)(gong)人員嚴格按照施(shi)(shi)(shi)(shi)工(gong)(gong)規(gui)范(fan)進(jin)行施(shi)(shi)(shi)(shi)工(gong)(gong)。冬季(ji)施(shi)(shi)(shi)(shi)工(gong)(gong)時,除(chu)要求施(shi)(shi)(shi)(shi)工(gong)(gong)人員按照施(shi)(shi)(shi)(shi)工(gong)(gong)規(gui)范(fan)進(jin)行施(shi)(shi)(shi)(shi)工(gong)(gong)外,冬季(ji)工(gong)(gong)地停工(gong)(gong)后的防護(hu)也要做好(hao),防止因防護(hu)不當(dang)造成管線(xian)受損。