国网北京电力完成京北四区电网灾后重建

Core Insights - The State Grid Beijing Electric Power Company has completed the post-disaster reconstruction of 63 damaged 10 kV lines in the northern four districts of Beijing after over two months of efforts [1][2] - A rare heavy rainfall lasting 147 hours from July 23 to 29 caused significant damage to power facilities in the northern mountainous areas of Beijing, prompting a rapid restoration of power supply to all affected administrative villages and inhabited natural villages within nine days [1] - The company initiated a "100-day battle" for post-disaster reconstruction, focusing on enhancing the resilience of power equipment against extreme weather [1] Group 1 - The reconstruction project involved 30 engineering tasks related to the power grid, specifically addressing 63 damaged 10 kV distribution lines [2] - As of the end of October, all 63 damaged lines have been restored, with 24 lines simultaneously upgraded for flood resistance [2] Group 2 - New construction standards were developed for the reconstruction, emphasizing the use of high-strength materials and deeper foundations to improve resistance to water flow and flood impacts [1] - In Huairou District, new steel pipe poles with a foundation diameter of 1.8 meters and a depth of 12.2 meters were installed to withstand severe flooding [1] - Emergency power connection devices were installed on new lines in Miyun District to enable rapid deployment of backup power in case of faults [1]