Water leaking from the soil cracks, coupled with aging, caused the bottom of the elevator to be corroded, causing serious rust problems.

The construction team used the VALUE construction method to stop the leaking part, and after confirming that it had stopped, applied the topcoat. Due to the characteristics of VALUE, oxidation can be prevented and the need for renewal can be eliminated. The construction period is 4 days, and the proposed construction cost is more than 10 million yen, and the construction cost using the VALUE construction method is 1.2 million yen.