DBJ50T-164-2021 民用建筑电线电缆防火设计标准-重庆市工程建设标准.pdfVIP

重庆市工程建设标准

民用建筑电线电缆防火设计标准

StandardofrfireProofingdesignofwires

andcablesusedincivilbuildings

DBJ50/T一164一2021

主编单位:重庆市设计院有限公司

重庆市勘察设计协会消防设计分会

批准部门:重庆市住房和城乡建设委员会

施行日期:2022年2月1日

2021重庆

目次

1总则·······························································……1

2术语·······························，·······························……2

3电线电缆的分类········································…·……‘”’4

3.1一般规定·····························，·····················……4

3.2普通电线电缆·············································……4

3.3阻燃电线电缆············································……’4

3.4耐火电线电缆·············································……7

3.5其他···························································，…9

4电线电缆使用场所的分级·································……21

5电线电缆的选用·············································……41

5.1一般规定············，···································……41

5.2普通设备线路的选用·································……51

5.3消防设备线路的选用·································……71

6电线电缆的敷设······················，······················……91

6.1一般规定················································……91

6.2电线电缆的敷设·······································……91

6.3电线电缆的防火措施·································……02

附录A阻燃和耐火电线电缆的型号表示··················……22

附录B常用阻燃电线电缆非金属材料容量计算及参考表

26

本标准用词说明···················································……83

引用标准名录······················································……93

条文说明····························································……41

ColltelltS

1Gnerealprovisino.s······································.·……1

2Trems····························································……2

3Classificationofwires