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N R Hamm Quarry LLC operator

Controlled by Summit Materials LLC

MSHA operator ID: L00313

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Email me when a new MSHA incident is filed at any N R Hamm Quarry LLC mine.

Fatalities: 1
Total incidents: 42
Mines on record: 15
Years on record: 2000–2026

Compliance record

MSHA citations since 2000

829

citations

173

significant & substantial

$335,854

proposed penalties

$267,853

paid to date

Source: MSHA violations data, updated weekly.

Top causes

POWERED HAULAGE 1 fatality · 3 non-fatal
HANDLING OF MATERIALS 12 non-fatal
SLIP OR FALL OF PERSON 10 non-fatal
HANDTOOLS (NONPOWERED) 7 non-fatal
FALL OF ROOF OR BACK 3 non-fatal
STEPPING OR KNEELING ON OBJECT 2 non-fatal

Incident timeline

2026

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2010

1 (1f)

2008

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2001

2000

Mines on record

Fatalities under this operator

1 recorded

October 16, 2010 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE

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.