The main part of the project hardened building on the A Basin reclamation area field floor track beam rubble infrastructure and ground.It covers sewage treatment plant, dust pumping stations, track beam foundation, the basis of loading line track beam, substations and outside the network construction, etc.The total construction area is 40 thousand square meters.The project started on May 20, 2011, June 25, and finished on June 25, 2012.