Core Viewpoint - The renovation of old gas pipelines in Hangzhou is crucial for urban safety and public welfare, with significant progress made in 2023 to enhance the safety of gas networks [1][2] Group 1: Project Implementation - Hangzhou has completed the first batch of underground gas pipeline renovations in 2025, significantly reducing safety hazards and improving the intrinsic safety level of the gas network [1] - The city has set a "three-year action plan" in 2023, aiming to complete the renovation of 393 residential communities (396.6 kilometers) and 92 municipal roads (24 kilometers) by the end of 2024 [1] - As of October 2024, 40 community courtyard pipeline renovation projects for 2025 have been identified, with over half of the tasks already completed [1] Group 2: Challenges and Solutions - The renovation process faces challenges such as narrow roads in old communities, high population density, and stringent construction requirements [2] - The company emphasizes a collaborative approach led by the government, coordinating with various entities like urban management, traffic police, and community services to minimize disruption to residents [2] - Future plans include the introduction of new technologies and methods to ensure high standards and quality in the ongoing renovation efforts, aiming to build a resilient urban gas safety governance system [2]