保(bao)溫厚(hou)度大于100mm、保(bao)冷厚(hou)度大于80mm時(shi)(shi)應(ying)(ying)該(gai)分層(ceng)(ceng)安(an)裝(zhuang)施工(gong)(gong)(gong)，相應(ying)(ying)的工(gong)(gong)(gong)程量也應(ying)(ying)該(gai)分層(ceng)(ceng)計算(suan)，并(bing)套用相應(ying)(ying)厚(hou)度的定(ding)額(e)項(xiang)目(mu)。鍍鋅鐵皮(pi)保(bao)護層(ceng)(ceng)厚(hou)度是按0.8mm以(yi)下綜(zong)合考慮的，若采(cai)用厚(hou)度大于0.8mm時(shi)(shi)，定(ding)額(e)人工(gong)(gong)(gong)乘(cheng)以(yi)系(xi)數1.2；臥式設備(bei)(bei)保(bao)護層(ceng)(ceng)安(an)裝(zhuang)，定(ding)額(e)人工(gong)(gong)(gong)乘(cheng)以(yi)系(xi)數1.05.設備(bei)(bei)和管道絕(jue)熱(re)均按現場(chang)安(an)裝(zhuang)后絕(jue)熱(re)施工(gong)(gong)(gong)考慮，若先絕(jue)熱(re)后安(an)裝(zhuang)時(shi)(shi)，其(qi)(qi)人工(gong)(gong)(gong)乘(cheng)以(yi)系(xi)數0.9.采(cai)用不(bu)銹(xiu)鋼薄(bo)板保(bao)護層(ceng)(ceng)安(an)裝(zhuang)時(shi)(shi)，其(qi)(qi)人工(gong)(gong)(gong)乘(cheng)以(yi)系(xi)數1.25，計價材料乘(cheng)以(yi)系(xi)數1.3，機械臺(tai)班乘(cheng)以(yi)系(xi)數1.15.