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The TBM 390E has successfully performed the first meters of boring
14/4/2017 11:10:14 AM

In the morning of March 31st, 2017 at Da Nhim hydropower Plant Expansion Project, Ninh Son district, Ninh Thuan province, the TBM 390E successfully performed the first meters of boring and on April 01st, 2017, the TBM officially started boring the 5-kilometer-long headrace tunnel. This is a modern tunnel boring machine invested and operated by Construction Joint Stock Company 47 at Da Nhim Hydropower Plant Expansion Project.

Rolling Stocks enters into the tunnel to collect the first batch of excavated rocks.

Mr. Nguyen Luong Am – Chairman of the BOD gives command of TBM operation in the ceremony

Representatives in the ceromony to witness the TBM 390E bores the tunnel

The TBM 390E is deeply inside the tunnel

The first batches of rocks are transported to Rolling Stocks from Cutter Head by Conveyor

And are transported outside of the tunnel

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Operation successful tunnel boring machine tbm 390e Servicing da nhim hydropower plant expansion project

The Joint-venture CC47and ROBBIN USA implemented to drill 200m long of the tunnel thanks to TBM technology - Thuong Kon tum Hydropower Project after 2 years suspension (photo 06.30.2016); Shift rails in the next position; Rock face after drilling


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