On the afternoon of June 15, the first pile of the S4 bidding project for the Hangzhou-Ningbo double-track project was started.

The Hangzhou-Ningbo double-track Ningbo Phase I S4 project is located in Hexi District, Cixi City, Ningbo, starting at the green belt on the south side of Shitang River in Longshan Town, Cixi City, and ending at about 100 meters outside the new seawall at Niluoshan. The total line length is 5.2Km. Xupu Viaduct, Xupu Interchange Main Line Bridge and 2 Ramp Bridges.

The project pile foundation volume is 1800mm, 240 piles with an average pile length of 100.00m; the pile diameters are 2100 & 1800, 24, with an average pile length of 93.00m;