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Here is a summary of our achievements for 2024:
Seismic retrofits: 17 projects
(16 buildings upgraded to a seismic index [Iw] of 1.0 or higher for the entire structure, and 1 retrofit for the first floor only)
Seismic designs: 43 projects
Seismic assessments: 51 projects


A typical Azumadachi-style house in the Tonami region, built in 1910 (Meiji 43). Pre-retrofit interior view of the Wakunouchi (central room).

A typical Azumadachi-style house in the Tonami region, built in 1910 (Meiji 43). Pre-retrofit interior view of the Wakunouchi (central room).


During seismic retrofit construction.

During seismic retrofit construction.


Post-retrofit view of the Wakunouchi. Reinforced shear walls were installed on both sides of the new sliding doors. The interior was restored to preserve the original atmosphere—it's nearly impossible to tell a retrofit was performed. We are deeply gratef

Post-retrofit view of the Wakunouchi. Reinforced shear walls were installed on both sides of the new sliding doors. The interior was restored to preserve the original atmosphere—it's nearly impossible to tell a retrofit was performed. We are deeply gratef


Post-retrofit exterior. Although the structure was reinforced from the outside, the appearance remains unchanged from before the retrofit.

Post-retrofit exterior. Although the structure was reinforced from the outside, the appearance remains unchanged from before the retrofit.


Exterior view before retrofit.

Exterior view before retrofit.