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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. Moving machine parts.

    violationRecord 5043881
    Plant #81 · 2302296

    30 CFR 56.14107(a) · $151.00 proposed penalty

  2. Horns and backup alarms.

    violationRecord 5043880
    Plant #81 · 2302296

    30 CFR 56.14132(a) · $165.00 proposed penalty

  3. Extinguisher recharging or replacement.

    violationRecord 5043879
    Plant #81 · 2302296

    30 CFR 56.4203 · $151.00 proposed penalty

  4. Electrical conductors.

    violationRecord 5061137
    Raleigh-Durham Quarry · 3101941

    30 CFR 56.12004 · $209.00 proposed penalty

  5. Handtools (nonpowered)

    accidentRecord 220260630024
    Iron Mountain Quarry · 2300210

    Days restricted activity only

    Accident narrative

    The employee was performing maintenance using a wrench. Wrench slipped off a bolt, causing the employee to lose balance and fall backwards into a shelf then onto the ground. The employee tried to brace themselves with their left arm injuring it.

  6. Regular Safety and Health Inspection

    inspectionRecord F010BAA
    Clarkdale Plant #24 · 0202524

    9.5 on-site hours reported

  7. Regular Safety and Health Inspection

    inspectionRecord F025198
    Waverly Sand & Gravel · 1202038

    16.3 on-site hours reported

  8. Regular Safety and Health Inspection

    inspectionRecord F02AF83
    Des Moines Portable #1 · 1300150

    23.8 on-site hours reported

  9. Verbal Hazard Complaint Inspections

    inspectionRecord F01D695
    Lotawana Quarry · 2301889

    0.0 on-site hours reported

  10. Regular Safety and Health Inspection

    inspectionRecord F0161AD
    West Center Sand · 2501231

    6.0 on-site hours reported

  11. Regular Safety and Health Inspection

    inspectionRecord F02D6CE
    New Miami Plant · 3304383

    8.0 on-site hours reported

  12. Spot Inspection

    inspectionRecord F02C23F
    Crab Orchard Mine and Mill · 4000087

    5.0 on-site hours reported

  13. Electrical conductors.

    violationRecord 5114612
    Des Moines Portable #1 · 1300150

    30 CFR 56.12004 · $151.00 proposed penalty

  14. Electrical conductors.

    violationRecord 5114611
    Des Moines Portable #1 · 1300150

    30 CFR 56.12004 · $209.00 proposed penalty

  15. Safety defects; examination, correction and records.

    violationRecord 5220206
    Lotawana Quarry · 2301889

    30 CFR 56.14100(b) · $151.00 proposed penalty

  16. Electrical conductors.

    violationRecord 5220205
    Lotawana Quarry · 2301889

    30 CFR 56.12004 · $177.00 proposed penalty

  17. Splices and repairs of power cables.

    violationRecord 5220204
    Lotawana Quarry · 2301889

    30 CFR 56.12013(b) · $151.00 proposed penalty

  18. Moving machine parts.

    violationRecord 5220203
    Lotawana Quarry · 2301889

    30 CFR 56.14107(a) · $267.00 proposed penalty

  19. Construction and maintenance of guards.

    violationRecord 5220202
    Lotawana Quarry · 2301889

    30 CFR 56.14112(b) · $267.00 proposed penalty

  20. Inspection and cover plates.

    violationRecord 5220201
    Lotawana Quarry · 2301889

    30 CFR 56.12032 · $151.00 proposed penalty

  21. Notification of commencement of operations and closing of mines.

    violationRecord 5043878
    Plant #81 · 2302296

    30 CFR 56.1000 · $151.00 proposed penalty

  22. Insulation and fittings for power wires and cables.

    violationRecord 5005171
    Medina Rock & Rail · 4105170

    30 CFR 56.12008 · $245.00 proposed penalty

  23. Identification of power switches.

    violationRecord 5003338
    Medina Rock & Rail · 4105170

    30 CFR 56.12018 · $245.00 proposed penalty

  24. Striking or bumping

    accidentRecord 220260630012
    BUILDEX · 2300319

    No dys awy frm wrk,no rstr act

    Accident narrative

    Employee dropped EE's hard hat on the ground, picked it up and started walking and hit forehead on walkway support beam. Laceration to forehead.

  25. Regular Safety and Health Inspection

    inspectionRecord F01777C
    North Indianapolis Underground Quarry · 1201993

    22.0 on-site hours reported

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.