Repair work of bridge is to repair a degraded bridge caused by aging in order to keep safety of road users.

                           

Telecommunication conduit installation involves burying pipes underground to protect necessary communication cables, providing a comfortable environment for telephone, internet, and other services.

                           

Bank protection construction is a construction project to prevent damage from floods and tsunamis by protecting levees that prevent the intrusion of waves and running water with stones and concrete. By improving the seawalls, we ensure the safety and security of people's lives.

                           

Maintenance snow removal and other related works are works that ensure road traffic safety throughout the year. In the summer, they clean roads, mow grass, and erect snow fences, and in the event of a disaster, they rush to the scene quickly to carry out recovery work. In the winter, they protect people's lives by removing snow.