5607.19.1.3 Air overpressure.
FC § 5607.19.1.3
Air overpressure shall be measured by one or more overpressure microphones mounted at multiple outdoor locations selected by the blast monitoring specialist to monitor the impact of air overpressure, including the closest building or structure, vulnerable buildings or other areas of concern, and other suitable locations. Additionally, in all cases where air overpressure upon structures of concern is required to be monitored, including demolition, tunnel blasting, and underwater blasting, structure-mounted geophones shall be utilized as required by the rules.
