Introduction
In a significant achievement for the construction of Hangzhou Metro Line 10 Phase 2, the main support structure of the Double Chen Station’s South Pit has been successfully enclosed. The project, carried out by China Railway First Group (CRFG), signifies a critical step towards the completion of the project, marking the first main support structure enclosure in the entire line. This successful milestone underscores the dedication and effort of CRFG in overcoming the challenges posed by the project’s unique circumstances.
Background and Challenges
CRFG’s construction of the Hangzhou Metro Line 10 Phase 2, 1st section, primarily includes the Double Chen Station, the Yi-Shuang section, and the reconstruction of three bridges. The project has faced numerous challenges, including the lack of permanent sites for soil disposal in Hangzhou, difficulties in obtaining soil disposal permissions, and the slow progress of 110KV power line relocation, which affected the main construction progress.
Innovative Solutions
To address these challenges, CRFG deployed a dedicated team to liaise with local authorities, including village committees and municipal departments, to facilitate temporary soil disposal arrangements. They also worked closely with local administrative bodies, such as city management and traffic police, to expedite the approval of soil transportation permits, ensuring a smooth soil disposal process.
Strategic Planning and Execution
The project team meticulously planned and executed strategies to overcome logistical and environmental obstacles. They negotiated with local communities to temporarily lease unused land for soil storage, optimized traffic diversion plans, and collaborated with traffic police to implement multiple small-scale traffic adjustments. This comprehensive approach allowed for the completion of 44 continuous wall segments in the South Pit, all situated within the project’s designated construction site.
Technical and Safety Measures
Given the tight schedule and the scorching summer temperatures in Hangzhou, CRFG took proactive measures to ensure the health and safety of its workforce. The company provided air-conditioned rest areas, distributed cooling drinks, fruits, and medical supplies, and increased the number of continuous wall construction machines and steel cage processing platforms. They also optimized the workflow of continuous wall construction, reducing interference between machines and ensuring a smooth construction process.
Future Endeavors
With the successful completion of the South Pit’s main support structure enclosure, CRFG is now poised to continue with the next phase of the project, maintaining high levels of enthusiasm and commitment to ensure the timely and successful completion of the remaining tasks. The project’s successful milestone is a testament to the company’s expertise, resilience, and collaborative efforts with local communities and authorities.
Conclusion
The successful enclosure of the main support structure for the Double Chen Station’s South Pit is a significant milestone in the construction of Hangzhou Metro Line 10 Phase 2. It reflects the project’s ability to navigate through complex challenges and demonstrates the collaborative spirit and technical prowess of China Railway First Group. As the project progresses, CRFG continues to pave the way for a safer, more efficient, and sustainable urban transportation system in Hangzhou.
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