# FALL OF ROOF OR BACK
> MSHA accident `220230900009` · 09/20/2022 · Martin Marietta Materials Inc.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc.
- **Mine:** [2501300](https://api.ai-analytics.org/mine/2501300)
## Narrative

Fall in the tunnel occurred 9/20/22. That same day two MSHA employees & two Martin Marietta employees had a call. It was determined the fall didn't need to be reported since the structure was designed for such an event. On 3/21/23 an MSHA inspector and field office supervisor instructed management to submit a 7000-1 for this event. 

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