Standards

DB50/T 10007-2024 Highway Engineering Technical Specification for Road Crossings

This document is applicable to the design, construction, and monitoring of road-related projects on highways operated in the Sichuan and Chongqing regions. Highways under construction and highways of other grades may refer to and implement it accordingly.

Publish Date: 2024-05-07

DB50/T 461-2012 DB50/T 461-2012 Safety specifications for hydraulic fracturing technology in coal mine water

This standard specifies the implementation conditions, process technology, equipment requirements, and safety protection measures for hydraulic fracturing in coal mines. This standard applies to hydraulic fracturing in coal mines within the administrative jurisdiction of Chongqing City.

Publish Date: 2012-09-10

DB50/T 962-2019 Road gas tunnel construction technical specifications

Publish Date: 2019-12-30

DB50/T 1279-2022 DB50/T 1279-2022 Technical regulations for the application of domestic methanol-based liquid fuel

This document is applicable to the application of civilian alcohol-based liquid fuels in the region

Publish Date: 2022-07-15

Technical Specifications for In-Vehicle Intelligent Terminals of Tourist Taxis (DB50/T 1281-2022)

This document is applicable to the construction or modification of intelligent terminals installed in tour taxi vehicles.

Publish Date: 2022-07-20

\nDB50/T 1293-2022 Technical Specifications for the Removal and Treatment of Trees Infected with Pine Wood Nematode Disease

This document is applicable to the removal and treatment of diseased trees infected with the pine wood nematode in Chongqing City

Publish Date: 2022-09-20

DB50/T 1570-2024 Travel agency classification and evaluation

This document applies to the grading and evaluation of travel agencies established in accordance with the law

Publish Date: 2024-04-01

DB50/T 10007-2024 DB51/T 10007-2024 Highway Crossing Engineering Technical Specification

This document stipulates the technical requirements for the design, construction, and monitoring of highway-related projects. This document is applicable to the design, construction, and monitoring of highway-related projects on highways operating in the Sichuan and Chongqing regions. Highways under construction and other grade highways may refer to and implement it accordingly.

Publish Date: 2024-05-07

DB50/T 1960-2026 Urban section maintenance technical regulations for lighting facilities of urban expressways and highways

This document is applicable to the maintenance and management of lighting facilities on roads, bridges, interchanges, and tunnels within the scope of urban expressways and urban sections of highways.

Publish Date: 2026-04-08

DB50/T 1961-2026 Guidelines for the installation of on-street parking spaces in urban roads

This document applies to the setting of on-street parking spaces for cars on urban roads, but does not include the setting of on-street parking spaces for urban public transport vehicles, road passenger transport vehicles, and road freight transport vehicles.

Publish Date: 2026-04-08

DB50/T 1962-2026 Urban water supply enterprise standard for water quality testing capability construction

This document is applicable to the capacity-building of water quality testing for urban water supply enterprises.

Publish Date: 2026-04-08

DB50/T 1963.1-2026 Adaptive facilities for general hospitals - Part 1: Outpatient department

This document applies to the new construction, renovation, and expansion of elderly-friendly outpatient facilities in general hospitals. The construction of elderly-friendly outpatient facilities in other medical institutions at all levels can be implemented with reference to this document.

Publish Date: 2026-04-08