| Project Name: Beizha Tunnel EPC Project (Yinkun Expressway Section) |
| Project Entity: Yinkun Expressway Construction Project Headquarters |
| Construction Unit: Xingrun Construction Group Co., Ltd. |
Basic situation of the project: Long tunnel (separated) 2689.51m, the tunnel adopts one-way double lanes, each lane is 3.75m wide, with emergency passages, 24 sets of tunnel monitoring equipment, 6 sets of tunnel communication equipment, 8 sets of ventilation facilities, and lighting facilities 866 sets, 1 set of
computer control system of tunnel monitoring center, 1 set of low-voltage power distribution.
The main engineering volume of this contract section: the total excavation of the project is 165,300 m³; the filling is 285,420 m³; the slope protection area: 18,703 m²; the tunnel lining is 36,529 m³. The tunnel pavement adopts a 20cm graded gravel base layer (30,200 m³), a 60cm cement stabilized gravel base layer (36,500 m³), and an 18cm asphalt concrete surface layer (218,600 m³).
