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Grimes Rock a CalPortland Company

Metal/Non-metal · Surface · 0405432 · Active

15
Accidents
0
Fatalities
316
Days lost
14
Employees

Operator

Controller (parent)
Taiheiyo Cement Corp
Operator
CalPortland
Commodity
SandAndGravel

Location

State
CA · Ventura Co.
Coordinates
34.334722, -118.909444

Recent accidents (latest 20)

DateClassificationSeverityOccupation
11/29/2018HANDLING OF MATERIALSDAYS AWAY FROM WORK ONLYLaborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
08/25/2025OTHERDAYS RESTRICTED ACTIVITY ONLYMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
08/16/2006SLIP OR FALL OF PERSONDAYS AWAY FROM WORK ONLYFront-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
07/25/2007SLIP OR FALL OF PERSONNO DYS AWY FRM WRK,NO RSTR ACTPrep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
07/19/2007OTHERDAYS AWAY FROM WORK ONLYBulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
07/08/2008OTHERDAYS AWAY FROM WORK ONLYBulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
06/16/2007OTHERDAYS AWAY FROM WORK ONLYMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
05/25/2008HANDLING OF MATERIALSDAYS AWAY FROM WORK ONLYMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
04/26/2006SLIP OR FALL OF PERSONDAYS AWAY FROM WORK ONLYLaborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
04/18/2005MACHINERYDAYS AWAY FROM WORK ONLYWarehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
03/22/2010HANDLING OF MATERIALSDAYS AWAY FROM WORK ONLYMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
03/10/2003HANDLING OF MATERIALSDAYS RESTRICTED ACTIVITY ONLYMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
02/25/2026POWERED HAULAGEDAYS AWAY FROM WORK ONLYWelder (non-shop)
01/19/2008OTHERNO DYS AWY FRM WRK,NO RSTR ACTMaintenance man, Mechanic, Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
01/07/2026HANDLING OF MATERIALSDAYS AWAY FROM WORK ONLYLaborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman

Source

Authoritative
MSHA Mine Data Retrieval System
Machine
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