# HANDTOOLS (NONPOWERED)
> MSHA accident `220031640047` · 05/30/2003 · Unimin Corp
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Corp
- **Mine:** [3100673](https://api.ai-analytics.org/mine/3100673)
## Narrative

EE WAS DISMANTLING THE CONE BOWL WORK LINER. LINER IS CEMENTED IN PLACE & MUST BE JARRED LOOSE TO REMOVE. THE LINE EDGE CANNOT BE REACHED WITH SLEDGE, THEREFORE THE SLEDGE IS IMPACTED ON THE E DGE. EE SWUNG THE 16LB SLEDGE ABOUT 5 TIMES BEFORE HE FELT SOMETHING GIVE IN LOWER BACK & HE QUIT WORKING. HE THEN USED HAMMERDRILL Y

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