Mining Incidents
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N R Hamm Quarry LLCOperator

Controlled by Summit Materials LLC
MSHA Operator ID: L00313
Fatalities
1
Total incidents
42
Mines on record
15
Period
—
For counsel + compliance teams

Get an email the moment a new MSHA-reportable accident lands at any mine on file under N R Hamm Quarry LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • POWERED HAULAGE1 fatality · 3 non-fatal
  • HANDLING OF MATERIALS12 non-fatal
  • SLIP OR FALL OF PERSON10 non-fatal
  • HANDTOOLS (NONPOWERED)7 non-fatal
  • FALL OF ROOF OR BACK3 non-fatal
  • STEPPING OR KNEELING ON OBJECT2 non-fatal

Incident timeline

2026
2
2025
5
2024
4
2023
1
2022
3
2021
7
2020
1
2019
5
2017
1
2015
1
2014
1
2010
1 (1f)
2008
2
2007
1
2005
1
2003
2
2002
1
2001
1
2000
2

Mines on record

Fatalities under this operator

1 recorded
N R Hamm Quarry LLC
Caught in, under or between two or more moving objects

Adjusting and cleaning of a tail pulley on a 110' Masaba Conveyor LOTO was not performed by the EE before entering the tail pulley section of the conveyor. Belt was energized by the operator; EE was in tangled in the pulley from his feet to his mid section of his body. EE was fatally injured.