# HANDLING OF MATERIALS
> MSHA accident `220210420012` · 02/08/2021 · Heidelberg Materials Northeast-NY LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Groundman, Yardman
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 36 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Northeast-NY LLC
- **Mine:** [3000053](https://api.ai-analytics.org/mine/3000053)
## Narrative

Employee was removing a chain that slipped off the lower drive sprocket of a stacking conveyor motor.  After locking out the drive motor, employee was removing chain on ""slack"" side of upper sprocket.  As employee did this, the tension on the opposite side, pulled the chain and employee's hand and pinched it between the chain and the sprocket.

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