# HANDLING OF MATERIALS
> MSHA accident `220123480022` · 12/07/2012 · Cal Sierra Development Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Horseplay
- **Injury source:** BLDG,STRUCT,BOAT,RAFT,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Jemco LLC
- **Operator:** Cal Sierra Development Inc
- **Mine:** [0402386](https://api.ai-analytics.org/mine/0402386)
## Narrative

IE (Winchmen/Supervisor) yelled to stop another EE from cutting a hole in the super structure, EE (maintenance) yelled back and said he was in charge. IE stated that the other EE threw a bolt at him (not hitting him) and IE was upset and turned and hit the control room wall with his left hand.

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