Gravero H. P. · Struck by falling object
The employee was repairing the equipment when he was trying to loose the industrial screw (thirty pound screw) he was distracted and the screw slipped on his finger and hurt him.
GRAVERO H.P. Metal/Non-Metal
Gravero H. P.
· Surface
Controlled by
Juan H Lamboy (Coriano)
San German,
Mayaquez County,
PR
·
Active
MSHA Mine ID: 5400373
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- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2008–2011
- Latest incident
- Dec 2011
Compliance record
MSHA citations since 2001
159
citations
47
significant & substantial
$42,289
proposed penalties
$40,742
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 4,565 | 2 | 0 | 438.1 |
| 2025 Q3 | 5,104 | 2 | 1 | 391.8 |
| 2025 Q2 | 5,490 | 0 | 0 | 0.0 |
| 2025 Q1 | 5,419 | 2 | 0 | 369.1 |
| 2024 Q4 | 4,357 | 1 | 0 | 229.5 |
| 2024 Q3 | 4,474 | 3 | 2 | 670.5 |
| 2024 Q2 | 4,930 | 0 | 0 | 0.0 |
| 2024 Q1 | 3,850 | 2 | 0 | 519.5 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
3 on file2011 · 1 incident
2009 · 1 incident
Gravero H. P. · Fall from machine
The EE was starting to work when he decided to change the battery of the 155 machinery. He jumped from the chain of the machinery with the battery in his hand and he hurt his back when he fell. He worked all day without reporting this to his supervisor. On Monday, he went to CFE and then they notified his employer.
2008 · 1 incident
June 6, 2008
- · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
HANDLING OF MATERIALS
Gravero H. P. · Caught in, under or between a moving and a stationary object
The EE was soldering a piece of metal and he pinched himself with the metal. While holding the metal piece, it slipped and pinched the index finger of the left hand. The finger was fractured and required stitches.