Controlled blasting is scheduled to occur at the South Shaft on either Tuesday, June 30th or Wednesday morning, July 1st, depending on conditions.
All indicators for vibration, noise and air quality are below the thresholds and are measured constantly. Controlled blasting can take place between 7am and 6pm Monday through Friday.
All safety and noise control measures are in effect and the work is performed in accordance with California Occupational Safety and Health (OSHA) and environmental regulations.
The contractor will observe our national holiday on Friday, July 3rd.