Record tunnelling rate at hydropower project in Peru

Andy Brown Head of Content, Construction and Engagement

20 December 2022

The single shift advance rate of the TBM has broken new records at the project in Peru

The first hard rock TBM exported to South America by China Railway Construction Heavy Industry Corporation Limited (CRCHI) is reported to have created an advance rate record of more than 1,000 meters per month in the construction of San Gawang Hydropower Project, Peru.

The San Gawang Hydropower Station is a project of the Belt and Road Initiative in South America. It is the first power project invested in by Chinese enterprises in Peru.

The total installed capacity of the San Gawang Hydropower Station is 209.3 MW, and the designed annual power generation is 1.25 billion kWh.

After the completion and operation, it will help the optimal allocation of regional water resources and sustainable economic and social development in South America.

The TBM is approximately 245m long and the cutterhead diameter is 5.83m. 

Since November this year, the single shift advance rate of TBM has broken new records: from 10m per shift to 16m and 20m per shift. The maximum single shift advance rate exceeded 26m and the maximum daily advance rate reached 46m. The cumulative advance rate in November has reached 1007.9m, which has shortened the construction period.

Type Asia South America China (inc. Taiwan, Hong Kong, Macau) Peru Equipment Projects Tunnelling Tunnelling Sectors Construction
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