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Wright County supervisors debate seismic testing setbacks, monitoring and liability
Summary
County engineers and supervisors discussed proposals from Twin Rivers Exploration to use closer setbacks with live monitoring for seismic testing; supervisors expressed concern about liability to the county and favored maintaining a 250-foot setback in the county road use agreement.
Wright County supervisors and county engineers discussed whether to alter the countys road use agreement that governs seismic testing on county roads and rights-of-way. Twin Rivers Exploration asked for relaxed setback rules in combination with continuous monitoring, but county officials raised concerns about risk and long-term liability.
County engineering staff presented a risk analysis prepared by an independent engineering firm (Allender/Budeke) that used peak particle velocity (PPV) thresholds to model the chance of tile or structure damage…
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