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Altair Plant Metal/Non-Metal

Alleyton Resource Co., LLC · Surface

Controlled by Summit Materials LLC

Altair, Colorado County, TX · Intermittent

MSHA Mine ID: 4104375

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Fatalities: 0
Total incidents: 5
Years on record: 2005–2018
Latest incident: Jan 2018

Compliance record

MSHA citations since 2003

173

citations

significant & substantial

$51,690

proposed penalties

$38,972

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	424	0	0.0
2025 Q2	65	0	0.0
2025 Q1	224	0	0.0
2024 Q4	284	0	0.0
2024 Q3	120	0	0.0
2024 Q1	2,958	1	338.1
2023 Q4	3,450	0	0.0
2023 Q2	480	0	0.0

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

2018 · 1 incident

January 18, 2018 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE

Alleyton Resource Co., LLC · Struck by falling object

The employee was cutting a stockpile with a front end loader when a large chunk of frozen road gravel fell from the top of the stockpile onto the front of the loader and into the cab. The employee suffered minor cuts on the right hand and lower back pain from removing material from their lap in order to exit loader.

2015 · 1 incident

July 20, 2015 TX · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON

Alleyton Resource Co., LLC · Fall onto or against objects

Employee suffered an injury to her neck/rotator cuff. She attempted to reach across her body and behind her to retrieve a paper and her chair came out from underneath her and she grabbed the wall to break her fall and suffered a shoulder injury. She reported the incident to her manager but refused medical treatment. She went to the doctor on 8/10/15 for treatment.

2013 · 1 incident

February 5, 2013 TX · Metal/Non-Metal pumper HANDLING OF MATERIALS

Colorado County Sand & Gravel Co LLC · Over-exertion in lifting objects

He was using a shovel to clean around a flat conveyor (sand) when he felt a sharp pain in his back.

2008 · 1 incident

February 7, 2008 TX · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger MACHINERY

Colorado County Sand & Gravel Co LLC · Caught in, under or between (Not Elsewhere Classified)

EE lifted up the safety guard and inserted a tree limb with lubricant into the bull gear while it was operating. The gear pulled the tree limb along with his hand into the two gears. He reacted by pulling his arm away. The gears had mutilated his right hand off up to his wrist.

2005 · 1 incident

November 15, 2005 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)

Colorado County Sand & Gravel Co LLC · Struck by... (Not Elsewhere Classified)

Employee was cutting a piece of belt and the knife slipped cutting the top of his hand. Had eight stitches.