Because the station is the interchange station of the Xinyi and Xinzhuang Lines, five tunnels intersect in a twisted form beneath the nearby Hangzhou South Road: two Xinyi Line tunnels, two Xinzhuang Line tunnels, and a common duct.
They are stacked and intersected underneath existing buildings and run along Hangzhou South Rd.,
Sec.
2.
Construction on the five tunnels began on 15 September 2005 with the start of construction on the Red Line and was completed by 17 January 2009.
Of the subway tunnels, the shallowest is the northbound Xinzhuang Line tunnel at 13.4 m (44 ft) deep, while the deepest is the Xinyi Line southbound tunnel at 25.3 m (83 ft) deep.
The common duct, by far the shallowest of the five, is 7–8 m (23–26 ft) underground.
Because the station is the interchange station of the Xinyi and Xinzhuang Lines, five tunnels intersect in a twisted form beneath the nearby Hangzhou South Road: two Xinyi Line tunnels, two Xinzhuang Line tunnels, and a common duct. They are stacked and intersected underneath existing buildings and run along Hangzhou South Rd., Sec. 2. Construction on the five tunnels began on 15 September 2005 with the start of construction on the Red Line and was completed by 17 January 2009. Of the subway tunnels, the shallowest is the northbound Xinzhuang Line tunnel at 13.4 m (44 ft) deep, while the deepest is the Xinyi Line southbound tunnel at 25.3 m (83 ft) deep. The common duct, by far the shallowest of the five, is 7–8 m (23–26 ft) underground.
Dongmen metro station