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The project aims to collect about 75,000 cu.m of domestic wastewater each day, which is currently discharged directly into the Lu River. This will improve the river’s water quality and significantly reduce wastewater flowing into the inner-city drainage system, particularly the To Lich River. (Photo: VNA)
The project aims to collect about 75,000 cu.m of domestic wastewater each day, which is currently discharged directly into the Lu River. This will improve the river’s water quality and significantly reduce wastewater flowing into the inner-city drainage system, particularly the To Lich River. (Photo: VNA)
The interceptor sewer running along the Lu River is an underground pipeline system installed beneath the riverbed and underground, stretching from Xa Dan Lake to the Truong Dinh Street area, with a total length of more than 3,900 metres. (Photo: VNA)
The interceptor sewer running along the Lu River is an underground pipeline system installed beneath the riverbed and underground, stretching from Xa Dan Lake to the Truong Dinh Street area, with a total length of more than 3,900 metres. (Photo: VNA)
The AVN machine system uses automated pipe jacking technology with laser positioning to ensure precise alignment when installing underground pipelines at depths of 12–15 metres. (Photo: VNA)
The AVN machine system uses automated pipe jacking technology with laser positioning to ensure precise alignment when installing underground pipelines at depths of 12–15 metres. (Photo: VNA)
Engineers carry out routine inspections of the pipe jacking drill head before operating the AVN drilling system manufactured by Herrenknecht (Germany) to ensure stable and safe operation and meet the project’s technical requirements. (Photo: VNA)
Engineers carry out routine inspections of the pipe jacking drill head before operating the AVN drilling system manufactured by Herrenknecht (Germany) to ensure stable and safe operation and meet the project’s technical requirements. (Photo: VNA)
The interceptor sewer along the Lu River is an advanced underground pipe jacking system, applied for the first time in a wastewater treatment project in the capital. (Photo: VNA)
The interceptor sewer along the Lu River is an advanced underground pipe jacking system, applied for the first time in a wastewater treatment project in the capital. (Photo: VNA)
The underground AVN pipe jacking system is regularly inspected and maintained to ensure safe and stable operation. (Photo: VNA)
The underground AVN pipe jacking system is regularly inspected and maintained to ensure safe and stable operation. (Photo: VNA)
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Resolution 57: High-tech solutions applied to tackle pollution in Hanoi’s rivers

A project to rehabilitate the Lu and To Lich rivers marks a breakthrough with the application of Germany’s modern pipe jacking technology, enabling underground construction while safeguarding existing urban infrastructure. The adoption of advanced science and technology solutions will help collect about 75,000 cu.m of wastewater each day for treatment, underscoring Hanoi’s determination to revive its rivers and move towards a digital society and a sustainable green environment.

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