# HANDTOOLS (NONPOWERED)
> MSHA accident `220061740038` · 06/15/2006 · Columbus Limestone Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Welder (shop)
- **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:** 0
- **Mine experience:** 13 years
## Operator
- **Controller:** CRH PLC
- **Operator:** Columbus Limestone Inc
- **Mine:** [3302784](https://api.ai-analytics.org/mine/3302784)
## Narrative

Employee was cutting out the hammer bolts to out Primary Impacter crusher (with oxy-acetylene torch). He was driving the bolts out with a b&O hammer or small sledge. He swung the hammer and felt a pull in his lower back.

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