# SLIP OR FALL OF PERSON
> MSHA accident `220062020018` · 07/19/2006 · Ash Grove Cement Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Handling supplies or material
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Cement Company
- **Mine:** [4100026](https://api.ai-analytics.org/mine/4100026)
## Narrative

Roofing employee moved a piece of plywood that was covering a hole in roof.  As he moved the plywood, he fell through the hole that the plywood was covering.  He was stopped by his retractable life line attached to his body harness.  As he fell, his left knee struck the guard rail on a catwalk below.

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