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Tunnel for Zhengzhou Suburb Railway Phase I completely built

September 1 witnessed a staged success of the Zhengzhou Suburb Railway from the South 4th Ring Road to Zhengzhou South Station completely designed by UCD: the tunnel shield project in the No. 08 Bidding Contract of Zhengzhou Suburb Railway Phase I was smoothly taken over, and the tunnel for the railway was completely built. The design of Zhengzhou Suburb Railway Phase I started from the handover of the first group of official construction drawings in June 2014 to the handover of the last group of construction drawings for the auxiliary structures of stations in April 2015. Within the strenuous ten months, the designers had overcome difficulties and smoothly completed the design of construction drawings for the main and auxiliary structures of the stations. Their high-quality, punctual and efficient design guaranteed the smooth progress of the project.