Recently, Tunnel Urban Construction International received a notification from the Public Construction Bureau of the Macao Special Administrative Region that the joint venture formed by Tunnel Urban Construction International and China State Construction International successfully won the bid for the design and construction project of the southern section of the Eastern Line of the Macau Light Rail Transit, with a total contract value of approximately 4.087 billion yuan. This project achieved three firsts:

The first large-diameter cross-sea shield tunnel project in Macao SAR;

Tunnel's first rail transit project in Macau;

It is the general contracting project with the largest contract value of Tunnel Co., Ltd. in Macau.

Project Overview

The total length of the Eastern Line of the Macau Light Rail Transit is about 7.7 kilometers, with a total of 6 stations, which will connect the Border Gate, Metro Area A, Metro Area E and the existing Taipa Ferry Terminal Station. The project is divided into two sections, the south and the north. Among them, the southern section undertaken by the consortium is about 4.8 kilometers long. It mainly constructs 3 underground stations, 2 open-cut tunnels, 1 single-hole cross-sea shield tunnel and 1 section viaduct.

After the completion of the Eastern Line of the Macau Light Rail Transit, it will connect the three important ports of Macau sea, land and air. It only takes 15 minutes from the Macau Border Gate to the Taipa Ferry Terminal. Passengers can seamlessly transfer to the Taipa Line, effectively shortening the travel time between the Macau Peninsula and the Macau Peninsula. Travel time between Taipa.

Macau's first large-diameter cross-sea tunnel

The section that won the bid this time includes the only single-hole cross-sea shield tunnel section in the line. It is the first large-diameter cross-sea tunnel project in Macau. The composite mud-water pressure balance with a diameter of 12.52 meters will be jointly adopted by Tunnel Co., Ltd. Urban Construction International and Shanghai Tunnel. Shield tunnel construction.

The total length of the tunnel in the sea-crossing section of the project is 3015 meters, and the maximum slope is 5.74%, making the construction difficult. Tunnelers will rely on their rich construction experience and leading technical level to advance the shield tunneling successively through the sea wall in Zone E of Macau New Town, the channel from Macau to the inner harbor, the outer channel, the coastal dam in Zone A of New Town and the AB channel.Editor/Ma Xue