海拔4886米铁路信号工区守护天路安全
Xin Lang Cai Jing·2026-02-08 00:59

Core Viewpoint - The article highlights the challenging working conditions and dedication of the staff at the Zha Ga Zang Bu signal work area, the highest railway signal station on the Qinghai-Tibet Railway, emphasizing their commitment to maintaining safety and functionality in extreme environments [1][7]. Group 1: Working Conditions - The Zha Ga Zang Bu signal work area is located at an altitude of 4,886 meters, where the oxygen level is less than half of that at sea level, making physical exertion difficult [1]. - The average temperature in winter can drop to as low as -40 degrees Celsius, posing significant challenges for the workers [2][4]. - The team consists of 10 young workers with an average age of under 32, who often spend limited time with their families due to the remote location [8]. Group 2: Operational Responsibilities - The work area is responsible for the maintenance and emergency repair of 36 signal machines, 40 track sections, and 26 switch machines across three high-altitude stations [2]. - The "window" operation, which occurs during a 120-minute period without train traffic, is critical for performing necessary maintenance tasks [2]. Group 3: Achievements and Recognition - Since its establishment in 2018, the Zha Ga Zang Bu signal work area has received several honors, including the National "Ankang Cup" competition and the Railway Youth May Fourth Medal [7]. - The workers express a strong sense of accomplishment when trains safely pass through, reflecting their commitment to safety and operational excellence [6][7].