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Windsor Plant No 3: 7 reportable incidents Metal/Non-Metal

Controlled by Hanson PLC
Sonoma County, CA  ·  Abandoned
MSHA Mine ID: 0401801

MSHA record for Windsor Plant No 3 (mine ID 0401801). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
7
Years on record
1989–1990
Latest incident
Jun 1990
Ownership history
  1. Quarry Products Inc 1950 to 1984
  2. Piombo Corp 1984 to 1986
  3. Piombo Construction Company 1986 to 1988
  4. Kaiser Sand & Gravel Company 1988 to present
Source: MSHA controller and operator history, updated weekly.

Windsor Plant No 3 sits in Sonoma County, California, where the Census mining category is 0.0% of county employment.

Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Sonoma County, California · Population 485,642
0.0%
Mining share of county employment
$102,840
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

7 on file

1990 · 3 incidents

June 11, 1990 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Kaiser Sand & Gravel Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS DRIVING WEDGE IN SCREEN FRAME, HOLDING FRAME WITH LEFT HAND, POUNDING WITH RIGHT HAND. HAMMER EMPLOYEE WAS USING GLANCED OFF WEDGE AND HAMMER HANDLE STRUCK EMPLOYEE'S LEFT HAND, M IDDLE FINGER, MASHING IT AGAINST SCREEN FRAME.

May 18, 1990 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Kaiser Sand & Gravel Company · Over-exertion in wielding or throwing objects

EMPLOYEE WAS SWINGING A SLEDGE HAMMER TO FREE UP A ROLLER UNDER THE CRUSHER.

April 12, 1990 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Kaiser Sand & Gravel Company · (Not Elsewhere Classified)

UNKNOWN. EMPLOYEE WAS OPERATING CAT 633 SCRAPER WHEN HE STARTED EXPERIENCING INTENSE CHEST PAINS. LEMPLOYEE HAS A LONG STANDING HEAR CONDITION WHICH EXISTED BEFORE HE WAS EMPLOYED BY KAISER SAND AND GRAVEL CO.

1989 · 4 incidents

October 31, 1989 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Kaiser Sand & Gravel Company · Struck against a moving object

CUMULATIVE CONDITION OF EMPLOYEE RIDING ON SCRAPER. THE CONTINUAL BOUNCING AND JARRING ON THE HAUL ROADS AND UNEVEN TERRAIN OVER TIME HAS CREATED A PAINFUL CONDITION IN HIS BACK.

August 15, 1989 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Kaiser Sand & Gravel Company · Struck against a moving object

SOMEWHAT UNCLEAR. EMPLOYEE WAS TERMINATED ON 8/16/89, AND AFTER BEING NOTIFIED OF TERMINATION, HE STATED THAT HE HAD INJURED HIMSELF THE PREVIOUS DAY WHEN THE SCRAPER HE WAS DRIVING SLIPPED OR DROPPED OFF THE SIDE OF THE HAUL ROAD HE WAS ON.

July 22, 1989 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Kaiser Sand & Gravel Company · Struck by... (Not Elsewhere Classified)

AS EMPLOYEE WAS BACKING UP HIS DOZER, THE END OF AN UNSECURED TOW CABLE THAT WAS LOOPED AROUND THE END OF THE DOZER AND THROUGH THE ROPS GOT CAUGHT IN THE LEFT TRACK. THE EMPLOYEE DID NOT NOTI CE THE CABLE BEING PULLED THROUGH THE ROPS FROM THE RIGHT, AND WHEN THE END OF THE CABLE GOT TO THE CAGE, IT WAS MOMENTARILY CAUGHT BETWEEN THE LIGHT BRACKET AND THE CAGE BEFORE IT SNAPPED TH

July 10, 1989 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Kaiser Sand & Gravel Company · Struck by falling object

EMPLOYEE WAS CLEARING A PLUGGED FEEDER WITH A LONG PRY BAR. AFTER CLEARING FEEDER EMPLOYEE LOOKED UP INTO FEEDER, REMOVING HIS HARD HAT TO DO SO, AND A ROCK CAME LOOSE AND STRUCK HIM ON THE HE AD.