Blasting operations at the quarry will begin on February 2, 2011

Posted on January 27th, 2011

In recent months, PG&E has developed a quarry to produce the rock materials needed for the seismic retrofit of the dam. The quarry is located west of Road 222 near Crane Valley Dam. This notice is to inform the community that blasting operations at the quarry will begin on February 2, 2011. The following are public safety procedures prior to and during blasting activities to ensure public safety near the quarry:

  • The public is prohibited from entering areas within 1,000 feet of the quarry during blasting activities.
  • Flagmen will be posted on Road 222, within the 1,000 feet blast safety radius, to stop all traffic during blasting activities. This area on Road 222 is within current flagmen operations.
  • The public will hear the following warning horn signals:
    - 5 minutes before the blast occurs will be a one minute series of long horn signals.
    - 1 minute prior to the blast will be a series of short horn signals
    - Following the blast will be one prolonged horn signal indicating the blasting is complete
  • Blasting activities are limited to short periods of time during blasting days. Blasting will be limited to a few days per week throughout the dam construction.