DB11/T 1884-2021 供热与燃气管道工程施工安全技术规程

北京市地方标准

DB

编号：DB11/T1884—2021

供热与燃气管道工程施工安全技术规程

Technicalspecificationforconstructionsafetyofheatingandgaspipeline

engineering

2021－09－27发布2022－01－01实施

北京市住房和城乡建设委员会

联合发布

北京市市场监督管理局

北京市地方标准

供热与燃气管道工程施工安全技术规程

Technicalspecificationforconstructionsafetyofheatingandgaspipeline

engineering

编号：DB11/T1884-2021

主编部门：北京市政建设集团有限责任公司

北京市市政四建设工程有限责任公司

批准部门：北京市市场监督管理局

施行日期：2022年01月01日

2021北京

前言

根据原北京市质量技术监督局《2018年北京市地方标准制修订项目计划》（京质监发

[2018]20号）文件要求，编制组经过深入调查研究，认真总结实践经验，参考国内相关标准，

在广泛征求意见的基础上，编制本规程。

本规程主要技术内容是：1总则；2术语；3基本规定；4地下水控制；5土方；6沟

槽支护；7混凝土与砖结构；8附件加工；9钢管与附件防腐、防腐、保温；10管材吊运；

11供热管道安装；12燃气管道安装；13管道试验、清洗与试运行；14特殊天气条件施工；

15施工机械；16竣工验收前的维护管理。

本规程由北京市住房和城乡建设委员会和北京市市场监督管理局共同管理，北京市住房

和城乡建设委员会归口并负责组织实施，由北京市政建设集团有限责任公司负责具体技术内

容的解释。执行过程中如有意见或建议，请寄送北京市政建设集团有限责任公司（地址：北

京市海淀区昌运宫17号市政大厦；邮政编码：100089）

本规程主编单位：北京市政建设集团有限责任公司

北京市市政四建设工程有限责任公司

本规程参编单位：北京市市政一建设工程有限责任公司

北京市市政二建设工程有限责任公司

北京市市政三建设工程有限责任公司

北京市市政六建设工程有限公司

北京市易成市政工程有限责任公司

北京市常青市政工程有限公司

北京城乡建设集团有限责任公司

北京建工路桥集团有限公司

本规程主要起草人员：汪波孔恒冯毅刘海健姜淼徐耕胡林涛

张正段鹏俊杨东宝姜维徐福顺薛海奇李高明

钟德文邵徽武刘冰刘元波马乐吕行王晔

原海军

本规程主要审查人员：卜志强刘建平刘明毕欣李艳涛韩少光谢军勇

目次

1总则..............................................................................................................................................1

2术语..............................................................................................................................................2

3基本规定......................................................................................................................................3

4地下水控制..................................................................................................................................5

4.1一般规定...........................................................................................................................5

4.2帷幕隔水...........................................................................................................................5

4.3地表水排除.......................................................................................................................6

4.4排水井、沟排水...............................................................................................................6

4.5轻型井点降排水...............................................................................................................7

4.6管井井点降排水...............................................................................................................7

4.7砂井降排水.......................................................................................................................7

5土方............................................................................................................................................8

5.1一般规定...........................................................................................................................8

5.2沟槽挖土...........................................................................................................................8

5.3堆运与回填土...................................................................................................................9

6沟槽支护....................................................................................................................................11

6.1一般规定.........................................................................................................................11

6.2钢木支护.........................................................................................................................11

6.3钢筋混凝土桩墙支护......................................................................................................13

6.4土钉墙支护.....................................................................................................................14

7混凝土与砖结构........................................................................................................................16

7.1一般规定.........................................................................................................................16

7.2现浇混凝土.....................................................................................................................16

7.3砌筑...............................................................................................................................18

7.4预制混凝土构件安装......................................................................................................18

7.5结构防水.........................................................................................................................19

8附件加工....................................................................................................................................20

8.1一般规定.........................................................................................................................20

8.2坡口加工.........................................................................................................................20

8.3管件与支架制作.............................................................................................................20

9管道及附件的除锈、防腐、保温.............................................................................................21

9.1一般规定.........................................................................................................................21

9.2除锈...............................................................................................................................21

9.3涂料防腐.........................................................................................................................21

9.4阴极（牺牲阳极）保护防腐..........................................................................................22

9.5保温...............................................................................................................................22

10管材吊运..................................................................................................................................23

10.1一般规定.......................................................................................................................23

10.2运输.............................................................................................................................23

10.3码放.............................................................................................................................24

10.4吊装.............................................................................................................................24

11供热管道安装..........................................................................................................................27

11.1一般规定........................................................................................................................27

11.2下管与铺管....................................................................................................................27

11.3焊接..............................................................................................................................28

11.4管路附件安装................................................................................................................32

11.5保温..............................................................................................................................34

12燃气管道安装..........................................................................................................................34

12.1一般规定.......................................................................................................................34

12.2下管与铺管...................................................................................................................35

12.3焊接.............................................................................................................................36

12.4管路附件安装...............................................................................................................37

13管道试验、清洗与试运行.......................................................................................................37

13.1一般规定.......................................................................................................................37

13.2管道试验.......................................................................................................................38

13.3供热管道清洗...............................................................................................................38

13.4燃气管道吹扫...............................................................................................................39

13.5热网试运行...................................................................................................................39

14特殊天气条件施工..................................................................................................................41

14.1一般规定.......................................................................................................................41

14.2冬期施工.......................................................................................................................41

14.3雨期施工.......................................................................................................................41

14.4高温天气施工...............................................................................................................41

15施工机械..................................................................................................................................43

15.1一般规定.......................................................................................................................43

15.2运输车辆.......................................................................................................................43

15.3土石方机械...................................................................................................................44

15.4起重机械.......................................................................................................................47

15.5混凝土与砂浆机械........................................................................................................49

15.6桩工机械.......................................................................................................................52

15.7排水机械.......................................................................................................................53

15.8钢筋加工机械...............................................................................................................53

15.9管工机具.......................................................................................................................54

15.10焊接机械.....................................................................................................................55

16竣工验收前的维护管理...........................................................................................................57

本规程用词说明............................................................................................................................59

引用标准名录..............................................................................................................................599

条文说明........................................................................................................................................60

Contents

1General............................................................................................................................................................1

2Terminology.....................................................................................................................................................2

3Basicrequirements..........................................................................................................................................3

4Constructiondrainage.....................................................................................................................................5

4.1Generalprovisions....................................................................................................................................5

4.2Surfacewaterremoval..............................................................................................................................5

4.3Drainagewelldrainage.............................................................................................................................6

4.4Lightwellpointprecipitation....................................................................................................................6

4.5Pipelinewellpointprecipitation...............................................................................................................7

4.6Sandwellprecipitation.............................................................................................................................7

4.7sanddrainprecipitation............................................................................................................................7

5earthwork........................................................................................................................................................8

5.1Generalprovisions....................................................................................................................................8

5.2Grooveexcavation....................................................................................................................................8

5.3Stackingandbackfilling............................................................................................................................9

6Groovesupport.............................................................................................................................................11

6.1GeneralProvisions.................................................................................................................................11

6.2Steelandwoodsupport.........................................................................................................................11

6.3Reinforcedconcretepilewallsupport...................................................................................................13

6.4Soilnailwallsupport..............................................................................................................................14

7Concreteandbrickstructures.......................................................................................................................16

7.1Generalrequirements............................................................................................................................16

7.2Cast-in-placeconcrete...........................................................................................................................16

7.3Bricklaying..............................................................................................................................................18

7.4Precastconcretecomponentinstallation..............................................................................................18

7.5Structuralwaterproofing.......................................................................................................................19

8Accessoriesprocessing.................................................................................................................................20

8.1Generalprovisions.................................................................................................................................20

8.2Grooveprocessing.................................................................................................................................20

8.3PipeandBracketMaking.......................................................................................................................20

9Descaling，anti-corrosionandheatpreservationofpipesandaccessories..............................................21

9.1Generalprovisions.................................................................................................................................21

9.2Rustremoval..........................................................................................................................................21

9.3CoatingAnticorrosion............................................................................................................................21

9.4Cathode（sacrificialanode）protectsagainstcorrosion....................................................................22

9.5Insulation...............................................................................................................................................22

10Pipelifting..................................................................................................................................................23

10.1Generalprovisions....................................