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Martin Marietta Materials Inc safety activity

MSHA violations, accident reports and inspections across the current mine portfolio.

2025-01-01 – 2026-10-31Database snapshot · 2026-10-31

Safety activity

  1. Slip or fall of person

    accidentRecord 220260200016
    Brierfield Quarry · 0100004

    Days away from work only

    Accident narrative

    IE clocked out went to EE's car and changed out of work boots and put on slides, went to the back of EE's car, stepped off asphalt into muddy area and fell. Broke 2 bones in EE's ankle.

  2. Machinery

    accidentRecord 220260150027
    Newton County Quarry · 0900899

    No dys awy frm wrk,no rstr act

    Accident narrative

    EE was cutting wedge bolt from stationary jaw dye. While cutting the wedge bolt, the bolt sheared and made contact with EE's welding hood that they were wearing. The frame that holds the lens in the welding hood broke loose and lacerated EE above their left eye. EE received 12 stitches above left eye.

  3. Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.

    violationRecord 5067029
    Augusta Quarry · 0900065

    30 CFR 50.30(a) · $151.00 proposed penalty

  4. Safety defects; examination, correction and records.

    violationRecord 5067028
    Augusta Quarry · 0900065

    30 CFR 56.14100(b) · $151.00 proposed penalty

  5. Regular Safety and Health Inspection

    inspectionRecord F02656B
    Kokomo Mine · 1202105

    8.0 on-site hours reported

  6. Regular Safety and Health Inspection

    inspectionRecord F017F81
    Bedrock Plant · 4103283

    5.0 on-site hours reported

  7. Regular Safety and Health Inspection

    inspectionRecord F017470
    Liberty Ranch · 4105268

    6.5 on-site hours reported

  8. Moving machine parts.

    violationRecord 5067027
    Augusta Quarry · 0900065

    30 CFR 56.14107(a) · $151.00 proposed penalty

  9. Records of training.

    violationRecord 5004994
    Bedrock Plant · 4103283

    30 CFR 46.9(c)(1)(i) · $151.00 proposed penalty

  10. Regular Safety and Health Inspection

    inspectionRecord F02A0B1
    DuBois Quarry · 2501046

    6.0 on-site hours reported

  11. Warning signs.

    violationRecord 5040571
    Randolph Deep Mine · 2302308

    30 CFR 57.4101 · $151.00 proposed penalty

  12. Horns and backup alarms.

    violationRecord 5042282
    DuBois Quarry · 2501046

    30 CFR 56.14132(a) · $151.00 proposed penalty

  13. Barricades and warning signs.

    violationRecord 9779034
    Kings Mountain Plant · 3100047

    30 CFR 56.20011 · $151.00 proposed penalty

  14. Regular Safety and Health Inspection

    inspectionRecord F026900
    Augusta Quarry · 0900065

    22.0 on-site hours reported

  15. Regular Safety and Health Inspection

    inspectionRecord F014C71
    Kings Mountain Plant · 3100047

    19.5 on-site hours reported

  16. Regular Safety and Health Inspection

    inspectionRecord F022404
    Gleason Mills & Mines · 4000195

    15.8 on-site hours reported

  17. Temporary, portable containers.

    violationRecord 9759698
    Red Oak Quarry · 0900069

    30 CFR 47.44(b) · $151.00 proposed penalty

  18. Moving machine parts.

    violationRecord 9787598
    Kentucky Avenue Mine · 1201762

    30 CFR 56.14107(a) · $151.00 proposed penalty

  19. Operators' stations.

    violationRecord 5043032
    Randolph Deep Mine · 2302308

    30 CFR 57.14103(b) · $151.00 proposed penalty

  20. Insulation and fittings for power wires and cables.

    violationRecord 5043031
    Randolph Deep Mine · 2302308

    30 CFR 57.12008 · $151.00 proposed penalty

  21. Escape and evacuation plans.

    violationRecord 5043030
    Randolph Deep Mine · 2302308

    30 CFR 57.11053(a) · $151.00 proposed penalty

  22. Electrical conductors.

    violationRecord 5040570
    Randolph Deep Mine · 2302308

    30 CFR 57.12004 · $151.00 proposed penalty

  23. Inspection and cover plates.

    violationRecord 5040569
    Randolph Deep Mine · 2302308

    30 CFR 57.12032 · $151.00 proposed penalty

  24. Securing gas cylinders.

    violationRecord 9789997
    Gleason Mills & Mines · 4000195

    30 CFR 56.16005 · $151.00 proposed penalty

  25. Guarding electrical connections and resistor grids.

    violationRecord 5000960
    GARWOOD PLANT · 4102886

    30 CFR 56.12023 · $151.00 proposed penalty

Sources and definitions

MSHA Violations (issue date), Accidents (accident date) and Inspections (begin date).

Violation titles use current CFR headings to identify the cited rule; they are not the inspector’s account of what happened.

Status is from the current MSHA Mines snapshot, not the selected reporting period. Closed records can retain their last reported controller/operator.

Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.

Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.

S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.

Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.

Portfolio totals use current mine membership, including events before the current owner or operator's tenure.