Group 1 - The core project of the article is the Zhijiang Road water supply pipeline and road improvement project, which is approximately 6.3 kilometers long and aims to enhance the urban transportation network and water grid in Hangzhou [2] - The project has faced challenges such as complex geological conditions and high requirements for the protection of cultural heritage sites, but has made significant progress towards being operational by the end of the year [2][6] - The integration of "Party building and project branch" model has played a crucial role in overcoming difficulties and ensuring the project's advancement [2][4] Group 2 - The "Party building and project branch" model has been implemented to deepen the integration of Party work with major project construction, establishing temporary Party branches for projects with a duration of over six months and more than three formal Party members [4][5] - The Zhijiang Road project serves as a successful example of this model, with a joint Party branch established that includes 42 members and has conducted various activities to enhance project quality [4][5] - The City Infrastructure Construction Management Center has developed standardized guidelines and a "1+N" project Party building work system, which has been applied to multiple projects, promoting a replicable model for Party work in urban construction [5] Group 3 - The City Infrastructure Construction Management Center has identified and resolved 15 critical technical challenges in the Zhijiang Road project, achieving a 100% resolution rate [6] - The project involves significant cultural heritage considerations, with the construction being the most complex municipal tunnel project in terms of cultural heritage protection in China [6] - The project has led to over 50 research topics and the completion of more than 30 papers and 60 patents, contributing to the creation of high-quality engineering standards [6][9] Group 4 - The City Infrastructure Construction Management Center has emphasized the importance of integrating Party building with project management to enhance construction quality and efficiency [9] - Several project branches have received accolades for their performance, and the Center plans to continue optimizing the "Party building and project branch" model for future urban development projects [9]