# FALL OF ROOF OR BACK
> MSHA accident `220092330014` · 08/19/2009 · Hanson Aggregates BMC, Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey
- **Activity:** Handling explosives
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** 0
- **Mine experience:** 5.35 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates BMC, Inc
- **Mine:** [3608284](https://api.ai-analytics.org/mine/3608284)
## Narrative

Worker on blasting crew was at mine face loading explosives when rock fell approximately 10 feet before striking him on his hardhat and left arm.  Rock measured aproximately 1-inch thick by 15-inches by 6-feet.  The work area had been scaled mechanically and by hand.

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