The power supply for the Tiechang Tunnel project of the Shigongbu Jingning Expressway was successfully delivered for the first time.

On December 15, the power supply project for the Tiechang Tunnel of the Jingning Expressway project, participated in by the company's Tenth Engineering Project Department, was successfully energized for the first time.

The power supply line for the Jingning Expressway Yonglin combined power supply project is approximately 111.4 kilometers. Among them, the power supply for the Tiechang Tunnel is tapped from the Zhengxing 2-return mainline, with a length of about 1 kilometer. The mainline passes by the Tiechang Tunnel project department, and the branch line is arranged along the construction access road.

During the entire construction process, the project department actively communicated with the local government and the Provincial Forestry Bureau, and strictly followed the relevant regulations of the Power Supply Bureau to carry out the work, finally completing the conductor erection, transformer installation and commissioning, and the connection work of the mainline and branch lines, successfully energizing the project.

[Tenth Engineering Department /Lei Yundong]