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Rockfield Plant Metal/Non-Metal

CEMEX Construction Materials Pacific, LLC · Surface

Controlled by Cemex S A

Herndon, Fresno County, CA · Active

MSHA Mine ID: 0401897

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Email me when a new MSHA incident is filed at Rockfield Plant.

Fatalities: 0
Total incidents: 5
Years on record: 2009–2024
Latest incident: Aug 2024

Compliance record

MSHA citations since 2000

219

citations

significant & substantial

$50,338

proposed penalties

$48,456

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	13,200	0	0.0
2025 Q3	14,294	2	139.9
2025 Q2	9,940	2	201.2
2025 Q1	14,466	2	138.3
2024 Q4	3,904	0	0.0
2024 Q3	9,039	0	0.0
2024 Q2	4,032	6	1488.1
2024 Q1	11,650	1	85.8

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

5 on file

2024 · 2 incidents

August 15, 2024 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE

CEMEX Construction Materials Pacific, LLC · Struck against a moving object

Employee was operating CAT 980k front end loader. While driving through the shipping yard at some point, employee hit a pothole causing employee to get jarred on the seat, this was a combination of operating while out of position ergonomically,

April 17, 2024 CA · Metal/Non-Metal rotary bucket excavator operator POWERED HAULAGE

CEMEX Construction Materials Pacific, LLC · Struck against a moving object

The EE was in the passenger seat of a haul truck, ridding back to the excavator and the main yard, when the haul truck struck a bump. The EE sustained a contusion on the left side of the buttocks from the seat belt support plastic.

2012 · 1 incident

July 18, 2012 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON

CEMEX Construction Materials Pacific, LLC · Over-exertion (Not Elsewhere Classified)

EE was called on the company radio and told that the Jaw Rock Chute to the ground was plugged with a big rock. He walked up the small pile of rock under the chute in order to dislodge the large rock. When the rock was dislodged the other rocks in the chute began to flow and he turned to see what the noise was. At that point he felt a pain in his left leg.

2009 · 2 incidents

July 13, 2009 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS

Cemex Construction Materials LP · Caught in, under or between a moving and a stationary object

A screen cover (wire cloth) fell into the "Jaw Rock" chute. The victim was removeing the screen cover and a rock approx. 4" x 8" came traveling down the chute and pinched his fingers btwn. the rock and chute wall. He suffered lacerations on his L/H middle and ring fingers. The middle finger was broken behind the fingernail.

February 13, 2009 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

Cemex Construction Materials LP · Caught in, under or between a moving and a stationary object

Laborer was shoveling material into loader bucket. Material slid off and employee was pinched between bucket and pile. Employee suffered bruising to both thighs. Employee was treated and released at Dr.'s Office. Given pain medication and modified duty.