Sewage Collection and Treatment System Pipeline Project in Thonburi, Thailand

Thonburi, Thailand is located on the west coast of Bangkok and is a core component of the city. It is densely populated and highly urbanized. The long-term problem caused by discharge of sewage into rivers has led to serious pollution in the tributaries of the Mekong River, affecting public health and the ecological environment.
The Thonburi sewage collection and treatment system pipeline network project is one of the key water environment governance projects promoted by Thailand in recent years. The goal is to build a sewage collection pipeline network system and supporting treatment facilities covering the Thonburi area, and improve the sewage treatment capacity of Bangkok and surrounding areas
The pipeline network in the key areas of the project was entirely constructed by our NPD600 pipe jacking machine, with a total construction length of 9.3km. The soft soil layer in Bangkok is deep, and the pipeline network needs to cope with the risk of ground settlement, using flexible interface pipes (such as HDPE pipes). At the same time, urban construction needs to avoid affecting existing roads and underground pipelines (electricity, gas), and adopt Micro-tunneling to reduce excavation.

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