Fall from machine
The employee was descending the ladder from the top deck of the cone when a hand slipped approximately midway down, causing them to fall to the deck below. Reported to management 10/30 when diagnosed with a hernia.
1024 San Tan ValleyMetal/Nonmetal
Arcosa Aggregates West, LLC · Surface
Controlled by Arcosa, Inc
San Tan Valley, Pinal County, AZ · Intermittent
MSHA Mine ID: 0203493
- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2025
- Latest incident
- Oct 2025
No fatalities recorded at this mine.
Reportable incidents
3 on file2025 · 3 incidents
Caught in, under or between a moving and a stationary object
Employees thumb was pinched between stand and component while adjusting stand. Fracture and laceration to thumb.
Struck by flying object
The employee had removed the pin on the tooth and was tapping it with a small sledgehammer on top to dislodge it from the shank. In the process of striking the tooth, a fragment of metal splintered off the tooth, striking the employee in the thigh.