# HANDLING OF MATERIALS
> MSHA accident `220000450061` · 02/09/2000 · Columbia Quarry Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by... NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** —
- **Mine experience:** 15.32 years
## Operator
- **Controller:** Clyde D  Trexler
- **Operator:** Columbia Quarry Company
- **Mine:** [1100038](https://api.ai-analytics.org/mine/1100038)
## Narrative

EE PERFORMED GENERAL CLEAN UP DUTIES IN THE PULVERIZER UNTIL 1:00 PM. AT THIS TIME THE CHAIN ON THE DRIVE SPROCKET ON THE #3 CONVEYOR HEAD PULLEY JUMPED OUT OF THE SPROCKET TEETH, CAUSING THE CONVEYOR, & SUBSEQUENTLY THE ENTIRE SECONDARY PLANT, TO STOP OPERATING. TO REPAIR, IT WAS DECIDED TO REMOVE A CHAIN LINK WITH SLEDGEHAMMER. EE WAS WEARING GLOVES.THE CHAIN UNDER TENSION HIT EE

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*