We did this at Pure Technologies (now Xylem) running fibre cables over infrastructure to listen for wire breaks in underground pipes, and on bridges to listen f

We did this at Pure Technologies (now Xylem) running fibre cables over infrastructure to listen for wire breaks in underground pipes, and on bridges to listen for micro-fractures in the concrete structure and steel cabling. The analysis and install was called "AFO Analyst" [0]. [0] https://www.xylem.com/en-us/products--services/pipeline-assessment/soundprint-afo-continuous-remote-monitoring-platform/ https://www.xylem.com/en-us/products--services/pipeline-asse...