Standards

CJ/T 183-2008 Active

CJ/T 183-2008 Plastic-steel-plastic composite pressure pipe

This standard specifies the definition, classification, and marking of steel-plastic composite pressure pipes (hereinafter referred to as composite pipes), their materials and structures, requirements, test methods, inspection rules and markings, product user manuals, packaging, transportation, and storage.
This standard applies to composite pipes used for the transportation of cold and hot water, drinking water, heating, gas, special fluids (including industrial wastewater, corrosive fluids, mine water supply, drainage, and compressed air), drainage (including gravity sewage, wastewater discharge, and siphon roof rainwater drainage systems), as well as composite pipes used for protecting power cables, communication cables, and optical cables in urban and construction environments.

Publish Date: 2008-12-12

CJ/T 298-2008 Active

CJ/T 298-2008 Management information systems of the city water supply standard for urban planning data

This standard specifies the requirements for the functions, data structure, data security, and system communication interfaces of the urban water supply business charging management information system.
This standard is applicable to the construction of urban water supply business charging management information systems and the development of system software.

Publish Date: 2008-12-12

CJ/T 299-2008 Active

CJ/T 299-2008 Artifical ceramsite filter material for water treatment

This standard specifies the requirements for artificial ceramic filter media used in water treatment, as well as the inspection items and methods, marking, packaging, transportation, and storage.
This standard applies to artificial ceramic filter media used in water treatment, which are processed from raw materials such as clay, shale, fly ash, and volcanic rocks.

Publish Date: 2008-12-12

CJ/T 300-2008 Replaced

CJ/T 300-2008 Water hammer arrestor for water supply systems of buildings

This standard specifies the structural form, product models, requirements, test methods, inspection rules, marking, packaging, storage and transportation of water hammer absorbers for building water supply (hereinafter referred to as absorbers).
This standard applies to water hammer absorbers used in water supply pipelines with nominal sizes of DN15 to DN400, nominal pressures not exceeding PN40, and water temperatures ranging from 0°C to 70°C. It can also be used for water hammer absorbers in other water supply and distribution pipelines with the same or similar media and operating conditions.

Publish Date: 2008-12-12

CJ/T 301-2008 Active

CJ/T 301-2008 Technical requirements of compactor for landfill

This standard specifies the classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of compactors used in landfills.
This standard applies to compactors used in municipal solid waste landfills.

Publish Date: 2008-12-12

CJ/T 302-2008 Active

CJ/T 302-2008 Tank type non-negative pressure water supply devices

This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of box-type non-pressure water supply equipment (hereinafter referred to as the equipment).
This standard applies to box-type non-pressure water supply equipment used in civil and industrial buildings for domestic or production water supply systems.

Publish Date: 2008-12-12

CJ/T 303-2008 Active

CJ/T 303-2008 Steady pressure compensation type non-negative pressure water supply devices

This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of pressure-stabilizing and compensation-type non-negative pressure water supply equipment (hereinafter referred to as the equipment).
This standard applies to pressure-stabilizing and compensation-type non-negative pressure water supply equipment used in civil and industrial buildings for domestic or production water supply systems.

Publish Date: 2008-12-12

CJ/T 304-2008 Replaced

CJ/T 304-2008 Technical requirement for chip operate system of CPU card in construction case

This standard specifies the electrical characteristics, logical interfaces, and transmission protocols of CPU cards in the construction industry; files and commands; application selection; security mechanisms and requirements; electronic wallet/e-purse applications; and corresponding definition symbols.
This standard applies to departments (units) involved in the design, manufacture, management, issuance, and development of card and terminal products related to IC card applications in the construction industry, as well as the development, integration, maintenance, and supervision of application systems.

Publish Date: 2008-12-12

CJ/T 112-2008 Active

CJ/T 112-2008 Integrated circuit card diaphragm gas meter

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for IC card diaphragm gas meters with a maximum flow rate of 160 m3/h.
This standard applies to the design, production, testing, and acceptance of IC card diaphragm gas meters (hereinafter referred to as gas meters).

Publish Date: 2008-09-22

CJ/T 277-2008 Active

CJ/T 277-2008 Survey and statistical method for area of urban road under cleaning program

This standard specifies the methods of measuring, calculating, and statistically analyzing the cleaning area of urban roads, as well as the measurement tools used for this purpose.
This standard applies to the measurement, operation, and statistical analysis of the cleaning and maintenance areas of urban roads, as well as the sprinkling areas. The measurement of the cleaning and maintenance areas of urban squares and green spaces can be used as a reference for similar purposes.

Publish Date: 2008-09-22

CJ/T 273-2008 Replaced

CJ/T 273-2008 Polypropylene sound insulating pipes and fittings for drainage

This standard specifies the product classification, materials, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polypropylene silent drainage pipes and fittings.
This standard applies to polypropylene silent drainage pipes and fittings used for cold and hot drainage in buildings. Under the consideration of the material's chemical resistance and temperature resistance, it can also be used for industrial drainage pipes.

Publish Date: 2008-04-02

CJJ 1-2008 Active

CJJ 1-2008 Code for construction and quality acceptance of road works in city and town

为加强城镇道路施工技术管理，规范施工要求，统一施工质量检验及验收标准，提高工程质量，制定本规范。 本规范适用于城镇新建、改建、扩建的道路及广场、停车场等工程的施工和质量检验、验收。 原材料、半成品或成品的质量标准，应按国家现行的有关标准执行。 城镇道路工程施工与质量验收除应执行本规范外，尚应符合国家现行有关标准的规定

Publish Date: 2008-04-02