GB/T 39559.1-2020Specifications for operational monitoring of urban rail transit facilities—Part 1: General (English PDF)

GB/T 39559.1-2020 is the English-translated version of 城市轨道交通设施运营监测技术规范 第1部分：总则.

GB/T 39559.1-2020 is Part 1 of GB/T 39559 and specifies the requirements and methods for the basic requirements, inspection, monitoring and status evaluation of urban rail transit facilities operation monitoring technology.

Clause 1 states that this part is applicable to the operation inspection, monitoring and status evaluation of urban rail transit facilities, and the page records no exclusions.

Its seven clauses are Scope; Normative references; Terms and definitions; Basic requirements; Check; Monitoring; and Status evaluation, followed by a reference list.

The foreword states that GB/T 39559 is divided into four parts, Part 1 General Provisions, Part 2 Bridge, Part 3 Tunnel and Part 4 Track and roadbed, and clause 2 cites GB/T 30012 together with the other three parts, GB/T 39559.2-2020, GB/T 39559.3-2020 and GB/T 39559.4-2020.

Clause 3 draws on GB/T 30012 and defines inspection, as the inspection, measurement and testing of facilities by visual examination, simple tools and professional instruments and equipment in order to grasp their technical status; routine inspection, as frequent appearance checks and simple measurements carried out at a prescribed frequency, mainly visual and supplemented by simple tools; regular inspection, as comprehensive inspection and measurement with professional instruments and equipment at an established frequency; special inspection, as targeted detailed inspection and measurement with professional instruments and equipment for facilities in poor technical status or special circumstances; and monitoring, as the long-term and periodic measurement of important technical parameters with professional instruments, equipment or automated information processing and decision-making systems in order to grasp the safety status of the facilities.

The draft breaks off inside clause 3, so clauses 4 to 7 are not shown. The page states that this part was proposed by the Ministry of Transport of the People's Republic of China and is under the jurisdiction of the National Urban Passenger Transport Standardization Technical Committee (SAC/TC529).

The page does not state that it replaces an earlier edition; it was issued on December 14, 2020 and has applied since July 1, 2021.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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