Mining Incidents

Crusher 2 Metal/Non-Metal

Controlled by Summit Materials LLC
Delta, Delta County, CO  ·  Intermittent
MSHA Mine ID: 0504645

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Fatalities
0
Total incidents
5
Years on record
2002–2016
Latest incident
Jun 2016
Compliance record
MSHA citations since 2004
44
citations
16
significant & substantial
$12,063
proposed penalties
$12,063
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 S&S Per 1M hrs
2025 Q4 4,906 0 0 0.0
2025 Q3 1,146 0 0 0.0
2025 Q1 2,363 0 0 0.0
2024 Q4 3,009 0 0 0.0
2024 Q3 24 2 1 83333.3
2024 Q2 95 0 0 0.0
2024 Q1 2,181 0 0 0.0
2023 Q4 2,385 0 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

2016 · 1 incident

June 7, 2016 CO · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Elam Sand and Gravel · Struck by flying object

The KeyPlate wedges against the JawDie to hold it in place. A piece of angle iron was welded to the KeyPlate used as lifting eye. Using a come-along to remove the plate. The come-along applied tension to the plate the EE was hitting it with a hammer to jar it loose. Weld on the lifting eye broke, striking EE in the chin causing a cut requiring 6 stitches

2013 · 2 incidents

May 6, 2013 CO · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Elam Sand and Gravel · Struck by... (Not Elsewhere Classified)

Employee was on the ground working on leveling the cone crusher unit when the unit shifted. There was an affixed ladder which struck the employees left leg causing a break in the left leg. Employee was struck just above the left knee. There was damage to the cross member on the unit. The wooden block that the hydraulic jack was sitting failed causing the unit to shift.

April 30, 2013 CO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Elam Sand and Gravel · Over-exertion in pulling or pushing objects

Employee was pulling on cables to get ready for moving plant. Employee was also using a hammer during the day, using his wrist. Employee notified supervisor that his wrist was hurting.

2005 · 1 incident

March 8, 2005 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Elam Sand and Gravel · Over-exertion in lifting objects

While shovelling under belt employee felt left knee pop. Became swollen and sore.

2002 · 1 incident

October 16, 2002 CO · Metal/Non-Metal mine manager, mine foreman, mine owner MACHINERY
Elam Sand and Gravel · Contact with hot objects or substances

CUTTING THE TORCH-RING OUT OF MANTLE OF THE CONE TYPE CRUSHER, A PIECE OF SLAG RICOCHETTED FROM THE CUTTING AREA INTO THE FACE SHIELD HITTING THE RIGHT EYE.