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Residents raise geotechnical, stormwater and safety concerns about proposed tunnel
Summary
Multiple speakers warned that tunneling through Nashville's limestone and water table could cause vibrations, road and building disruption, stormwater problems and possible collapses; they urged technical studies before approving related land use.
A consistent theme in public comment was technical concern over tunneling beneath Nashville's limestone bedrock and the local water table.
"We have limestone, bedrock, a huge water table... I urge you to consider the fact that this will impact taxpayers. There is a guarantee that there will be collapse at least in one area during this project," Caitlin Porter told the committee. Several speakers cited prior project records in other jurisdictions, raising vibrations, OSHA violations and pollution as potential risks.
Jack Slagle asked whether The Boring Company has run similar projects in places with Nashville's rainfall (about 50 inches a year) and asked for geotechnical and community-impact statements; Johanna Cohen and Salida Holloway also flagged the risks of blasting through limestone and interruptions to traffic. Commissioners did not present an engineering assessment during the meeting, and speakers said no formal study was available in the public record at the hearing.
