News and Events > Public Media

PMU 85 dismisses reports on tunnel flooding

Date: April 12, 2001

(SGT-HCMC & DANANG) The owner of the Hai Van Tunnel project in central Vietnam has dismissed recent media reports on the possible inundation of the tunnel due to poor surveys of underground streams.

Local media reports say the tunnel, which will link Danang and Thua Thien-Hue Province, will be flooded as experts who undertook the underground water resources survey failed to provide good estimates.

However, Nguyen Ngoc Tran. Director of Project Management Unit 85 (PMU 85). which oversees the project, said, "Water drainage and prevention of water penetration have been incorporated into the design.

"The information (on inundation) may have resulted from misunderstanding or an inadequate understanding of the technical aspects."

Prevention of water penetration is an integral part of runnel design anywhere .in Ihe world, he said,

For Hai Van Tunnel, consultants have studied this aspect carefully, so the tunnel will slope down toward both entrances, and there will be . a PVC plastic layer, and a drainage system.

This is a widely applied method in Europe, Tran said.

PMU 85 under the Ministry of Communications and Transport says the project is now progressing well.

The contractors will begin drilling the northern entrance on April 20 and the southern entrance in late June. Work on both entrances is expected to take 48 months.

Two bidding packages for bridge and access road construction have been organized and the project owner is awaiting Government approval of the bidding results.

The project owner yesterday began distributing bidding documents for the installation of electrical systems and ventilation systems.

(Source: Saigon Times Daily)

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