Chengdu Rail Transit Line 10 Phase II

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Case Study: Chengdu Rail Transit Line 10 Phase II – Banqiao Vehicle Section


Project Overview

The Banqiao Vehicle Section of Chengdu Rail Transit Line 10 Phase II is a pivotal component in the expansion of Chengdu’s metropolitan rail system, designed to accommodate a high volume of daily traffic and streamline city-wide transportation. This section required a robust, reliable water management solution to handle the environmental and operational challenges associated with a large urban rail network. Yude RainEco was selected to implement advanced drainage and water management systems tailored to the unique needs of this transit infrastructure.


The project was driven by several key objectives:

Efficient Stormwater Management: To effectively control and manage stormwater runoff in order to prevent flooding and water-related disruptions in rail operations.

Sustainability: To integrate environmentally friendly solutions that contribute to the overall green initiatives of the Chengdu metropolitan area.

Enhanced Durability and Maintenance: To ensure the longevity of the water management systems with minimal need for frequent maintenance, thereby reducing operational costs and downtime.

Yude RainEco’s Role

Yude RainEco’s involvement focused on delivering high-performance water management systems, which included the following key implementations:

Advanced Siphon Drainage System:

Yude RainEco installed a state-of-the-art siphon drainage system specifically designed to handle the large surface areas of the Banqiao Vehicle Section. This system utilizes the principle of siphonic action to enable fast and efficient drainage of stormwater, significantly reducing the risk of flooding even during heavy rainfall.

The system’s design was optimized to fit seamlessly into the existing infrastructure without compromising operational efficiency or safety.

Rainwater Harvesting and Reuse:

A comprehensive rainwater harvesting system was deployed to capture and store rainwater for non-potable uses, such as facility maintenance and landscape irrigation within the transit area. This system not only helps in reducing the demand for municipal water but also aligns with sustainable water usage practices.

The collected rainwater is treated with advanced filtration technologies to ensure it meets safety standards for its intended uses.


Operational Reliability: The efficient management of stormwater ensured that the rail operations remained uninterrupted during adverse weather conditions, enhancing reliability and safety.

Cost Savings: By reducing reliance on municipal water supply and minimizing maintenance requirements, the project delivered ongoing operational cost savings.

Positive Environmental Impact: The implementation of sustainable and efficient water management systems contributed to the environmental goals of Chengdu’s urban planning, promoting sustainable urban development.


The Chengdu Rail Transit Line 10 Phase II Banqiao Vehicle Section project exemplifies Yude RainEco’s capability to deliver sophisticated and reliable water management solutions that are critical for the success of major urban transit systems. This case study demonstrates our company’s leadership in applying innovative technologies to meet the complex demands of modern infrastructure projects, significantly contributing to sustainable urban transportation solutions.

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Yude RainEco

Yude RainEco is a leading company in China that focuses on sustainable rainwater solutions and has been in business for over 10 years. We work on creating efficient systems for managing and using rainwater.

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