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Quang Ninh proposes building undersea tunnel
Tuesday,  2/12/2019, 17:49 

Quang Ninh proposes building undersea tunnel

The Saigon Times Daily

An artist's impression of the planned site of Cua Luc undersea tunnel - PHOTO: QUANG NINH NEWSPAPER

HCMC – The northern province of Quang Ninh has sent the prime minister a plan to build an undersea tunnel through Cua Luc Bay in the province’s Ha Long City, according to Tuoi Tre Online newspaper.

The undersea tunnel project, the first of its kind in Vietnam, requires an estimated VND9.7 trillion (US$417.7 million) and will be executed over five years, starting this year.

It is designed to be 2.75 kilometers long, stretching from the Vuon Dao T-junction in Bai Chay Ward to the coastal road in the Vinhomes urban area in Hon Gai Ward. It is also projected to have a height of 4.75 meters and a width of 32.6 meters with six lanes.

The earthquake-ready tunnel would allow vehicles to travel at a speed of up to 60 kilometers per hour.

According to the Quang Ninh government, the Cua Luc undersea tunnel, when in place, will reduce congestion on Bai Chay Bridge and connect the tourist site in the west and the administrative region in the east of the province.

Further, it will ease traffic on the Haiphong-Halong and Van Don-Mong Cai expressways and the connection with Van Don International Airport.

Quang Ninh chairman Nguyen Duc Long has underscored the need to develop the tunnel as Bai Chay Bridge may be overloaded by 2025 due to the increasing number of vehicles passing over it.

Tran Van Hung, director of the provincial Department of Planning and Investment, told Tuoi Tre Online newspaper on February 11 that Quang Ninh often suffers from large storms. During storms, circulation on Bai Chay Bridge must be suspended to ensure safety.

Therefore, the undersea tunnel project is crucial to ensure traffic circulation in the province, Hung added.

Regarding the investment needed for the project, Hung remarked that if the project is approved, the capital will be sourced from the province’s budget.

According to Vu Van Khanh, director of the Quang Ninh Department of Transport and director of the management board of the Cua Luc undersea tunnel project, the undersea tunnel had been proposed in the province’s comprehensive plan on traffic infrastructure development by 2020. It is considered a priority project of the province.

Three design consulting firms, including Japan’s Nippon Koei Co., Ltd, and Vietnam’s FECON Corporation and Transport Engineering Design Inc. have proposed two solutions for the tunnel’s construction: using a tunnel boring machine to excavate the tunnel or immerse ready-built sections of the tunnel.

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