The contractor has scheduled controlled blasts at the South Shaft on Monday - Friday, August 3 - 7th. The blast on Monday, August 3rd is scheduled for approx 9am. Two blasts expected on Tuesday - one around 10:30am and one in the late afternoon. Multiple blasts per day may continue as needed - usually one in the morning and one late afternoon.
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.