Inspection Detail

Inspection: 311675144 - Robertsons Ready Mix Inc

Inspection Information - Office: San Bernardino Mining &Tunneling District Office

Investigation Summary

At approximately 2:35 p.m. on January 30, 2012 Employee #1, a plant manager, of Robertosons Ready Mix Inc., was standing near an open hole when he apparently stepped back into the open hole and fell approximately 13 ft. onto rocks and a concrete floor below. At the time of the accident, the primary jaw crusher at a rock plant became plugged and shut down automatically. Rock from the dump bin above kept spilling over on the crusher deck 13 feet above ground level. Three employees entered the primary jaw deck to clean-up the spill. Two holes were cut to remove damaged decking and to push large boulders through to ground level. During the clean-up activity Employee #1 accidently fell through one of the holes sustaining head and abdomen injuries resulting in loss of memory of the accident. Neither of the other two employees observed the cause of the fall. No fall protection was used by Employee #1 or the other two employees during the clean-up activity and the failure to use fall protection was determined to be the causal factor of this accident.

Keywords: CLEANING, CRUSHER, FALL, FALL PROTECTION, SPILL