Standards

CJ/T 210-2005 Random Polypropylene/Aluminum stable composite pipe

This standard specifies the definition, symbols, abbreviations, usage conditions, product classification, selection of the S value for pipe series, materials, requirements, test methods, inspection rules and markings, packaging, transportation, and storage of PP-R plastic-aluminum stable composite pipes (hereinafter referred to as PP-R plastic-aluminum stable pipes).
This standard applies to cold and hot water piping systems, including industrial and civil cold and hot water, drinking water, and hot water heating, central air conditioning systems, etc.
This standard does not apply to fire extinguishing systems.

Publish Date: 2005-05-16

CJ/T 211-2005 Inspection manhole lid made of polymer matrix composites

This standard specifies the classification, load-bearing grade, technical requirements, test methods, inspection rules, and markings of polymer-based composite manhole covers.
This standard applies to various manhole covers installed on urban roads and highways, as well as those installed on other surfaces where motor vehicles and non-motor vehicles may travel or park. It also applies to various manhole covers installed on sidewalks and green spaces.

Publish Date: 2005-05-16

CJ/T 212-2005 Water grate made of polymer matrix composites

This standard specifies the classification, load-bearing grade, technical requirements, test methods, inspection rules, and marking of polymer-based composite drainage grates.
This standard applies to polymer-based composite drainage grates installed in various parts of road surfaces, including roads, the sides and middle of highways, green spaces, and indoor floors of factories and workshops, etc.

Publish Date: 2005-05-16

CJ/T 94-2005 Water quality standards for fine drinking water

This standard specifies the water quality standards for drinking water.
This standard applies to piped direct drinking water that is supplied directly to users for drinking after being purified from tap water or source water that meets the water quality standards for domestic drinking water.

Publish Date: 2005-05-16

CJ 94-2005 CJ 94-2005 Drinking Water Quality Standards

Publish Date: 2005-05-16

CJ/T 158-2002 Colour standard for pipelines and equipments of municipal wastewater treatment plants

Publish Date: 2002-06-04

CJJ 56-2012 Code for geotechnical investigation of municipal engineering projects

本规范适用于城市道路、桥涵、隧道、室外管道、给排水厂站、堤岸等建设项目的岩土工程勘察。 本规范的主要技术内容是：1.总则；2.术语；3.基本规定；4.勘察阶段的划分与基本工作内容；5.城市道路工程；6.城市桥涵工程；7.城市隧道工程；8.城市室外管道工程；9.城市给排水厂站工程；10.城市堤岸工程；11.报告编制基本规定。 修订的主要内容是：1.确定市政工程勘察阶段划分、工作深度要求；2.确定市政工程勘察等级划分标准；3.确定市政工程勘察工作内容、工作量和工作精度；4.确定市政工程勘察成果要求；5.补充城市隧道及给排水厂站工程勘察内容。 本规范中以黑体字标志的条文为强制性条文，必须严格执行

Publish Date: 1970-01-01

CJJ 76-2012 Specification for Dynamic Observation of Groundwater in Urban Area

本规程的主要技术内容是：1．总则；2．术语；3．基本规定；4．观测网的布设；5．观测孔结构设计与施工；6．观测的内容与方法；7．观测资料分析、整理与管理

Publish Date: 1970-01-01

CJJ/T 78-2010 Drawing standard of heating engineering

本标准适用于新建、扩建和改建供热工程的设计制图

Publish Date: 1970-01-01

CJJ 82-2012 code for construction and acceptance of landscaping engineerinf

本规范主要技术内容包括： 总则、术语、施工准备、绿化工程、园林附属工程、工程质量验收。 本次修订的主要内容包括:1 1 工程施工准备阶段增加了施工现场建立健全质量保证体系,加强质量和技术管理,使工程质量事前进行控制。 2 增加了水湿生植物栽植、设施空间绿化、坡面绿化、重盐碱及重黏土土壤改良、施工期的植物养护以及园林附属工程的施工、验收要求。 3 提出了园林绿化工程项目的划分以及分项工程质量验收的主近代项目的一般项目的质量要求。 4 统一了园林绿化工程施工质量、验收方法、质量标准和验收程序、检验批质量检验的抽样方案要求

Publish Date: 1970-01-01

CJJ 86-2014 Livestock waste composting plant operation and maintenance technical regulations (with explanatory notes)

本规程适用于以生活垃圾为主要原料的垃圾堆肥厂的运行、维护及安全管理

Publish Date: 1970-01-01

CJJ 169-2012 Code for pavement design of urban road

本规范适用于新建和改建的城镇道路的路面设计

Publish Date: 1970-01-01