小区燃气管道改造 今年首批基本完成

Group 1 - The core viewpoint of the news is the completion of the gas pipeline renovation in the Guihua City community, marking the fulfillment of the first batch of old gas pipeline renovation tasks for the year [1] - The Guihua City community consists of 59 multi-story residential buildings and 75 villas, involving a total of 1,419 households and approximately 8,719 meters of underground pipelines [1] - The old gas pipelines, primarily made of steel and galvanized pipes, had been in use for over 20 years, leading to issues such as corrosion and decreased sealing performance [1] Group 2 - The new PE pipes used for renovation offer advantages such as good flexibility, corrosion resistance, and a longer lifespan, with fully automated welding at the joints ensuring safer gas pipeline operation [1] - The renovation project faced challenges due to the narrow internal roads of the old community and the high density of surrounding residents, necessitating strict noise control and environmental impact measures [1] - The company implemented a staggered construction plan to avoid weekends and residents' rest times, using silent generators and conducting excavation during weekdays [1] Group 3 - As of the end of 2024, the renovation tasks for 393 communities and 396.6 kilometers of old pipelines in Hangzhou's main urban area have been completed, along with 24 kilometers of municipal road renovations [2] - The 2025 renovation plan includes 40 community courtyard pipeline projects, which are mostly completed, while the second batch of 23 community courtyard pipeline projects is currently underway, achieving over half of the task completion [2]