From "Writing KY" to "Speaking KY": Voice AI changes KY activities at construction sites

▤ Summary

Tokyu Construction and NTT Sonority announced progress on a voice AI system that digitizes KY safety meetings at construction sites. The companies ran a proof of concept across multiple sites and found that voice capture and generative AI can reduce paperwork while improving safety management. The system records spoken warnings, analyzes KY content, and scores the quality of safety discussions. Tokyu Construction plans phased deployment in fiscal 2026 and full rollout to all sites the following year. The companies also plan to improve performance in noisy and underground environments and to expand integrations with other digital tools.

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