•3•目次1总则.............................................(1)2术语.............................................(2)3材料.............................................(3)3.1一般规定..............................................(3)3.2管材..................................................(4)3.3管接头................................................(5)4.4沟槽式管件和附件.....................................(5)5设计............................................(7)5.1一般规定.............................................(7)L2管道系统的设计和选用...................................(8)4.3管道纵向补偿设计.....................................(10)4.4支管设计............................................(10)5施工.............................................(12)5.1一般规定..............................................(12)5.2装卸、贮运............................................(13)5.3管材切割和预加工.....................................(13)5.4管材现场滚槽加工.......................................(14)5.5接头连接和安装.......................................(16)5.6支(吊)架安装..........................................(17)5.7现场压力试验.........................................(18)5.8冲洗消毒..............................................(18)6验收.............................................(20)本规程用词说明.......................................(21)引用标准名录.......................................(22)附：条文说明.........................................(25)•4•Contents1Generalprovisions................................................................................(1)2Terms....................................................................................................(2)3Materials..............................................................................................(3)3.1Generalrequirements..................................................................(3)4.2Pipematerial........................................................................(4)5.3Coupling.....................................................................................(5)6.4Groovedpipefittingsandaccessories.........................................(5)4Design.....................................................................................................(7)4.1Generalrequirements..................................................................(7)4.2Designandselectionofmaterials,fittingsandaccessories.........(8)4.3Longitudinalexpansiondesignofpipes......................................(10)7.4Designofbranchpipes.................................................................(10)5Construction...........................................................................................(12)5.1Generalrequirements...................................................................(12)5.2Loading,unloading,storageandtransportation.........................(13)5.3Pipecuttingandpreprocessing....................................................(13)5.4Piperoll-gr∞vefieldprocessing.....................................(14)5.5Jointconnectionandinstallation.....................................(16)5.6Support(hanging)installation......................................................(17)5.7Pressuretest.................................................................................(18)8.8Rinseanddisinfect..........................
