# HANDLING OF MATERIALS
> MSHA accident `220121420030` · 04/22/2012 · Hanson Aggregates BMC, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 14 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates BMC, Inc.
- **Mine:** [3608864](https://api.ai-analytics.org/mine/3608864)
## Narrative

On 4/22/12 worker struck his right knee against a tow-hitch on a pickup truck & refused treatment. On 5/4/12 worker requested and received medical treatment; initial medical diagnosis was contusion. On 5/17/12 a different doctor diagnosed fracture of right knee.

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