While handling an oxygen cylinder, they slipped and stumbled, then while trying to prevent the cylinder from falling they aggravated their back.
Keaau Quarry Metal/Non-Metal
Puna Rock Company Ltd
· Surface
Controlled by
Russell Kuwaye
Keaau,
Hawaii County,
HI
·
Active
MSHA Mine ID: 5100165
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- Fatalities
- 0
- Total incidents
- 4
- Years on record
- 2013–2022
- Latest incident
- Dec 2022
Compliance record
MSHA citations since 2000
130
citations
40
significant & substantial
$60,870
proposed penalties
$38,548
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 | 4,617 | 0 | 0 | 0.0 |
| 2025 Q3 | 4,855 | 0 | 0 | 0.0 |
| 2025 Q2 | 4,874 | 9 | 2 | 1846.5 |
| 2025 Q1 | 4,840 | 0 | 0 | 0.0 |
| 2024 Q4 | 4,971 | 0 | 0 | 0.0 |
| 2024 Q3 | 5,532 | 0 | 0 | 0.0 |
| 2024 Q2 | 4,924 | 4 | 1 | 812.3 |
| 2024 Q1 | 5,517 | 1 | 0 | 181.3 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
4 on file2022 · 2 incidents
December 2, 2022
HI · Metal/Non-Metal
beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider
HANDLING OF MATERIALS
Puna Rock Company Ltd · Over-exertion (Not Elsewhere Classified)
July 25, 2022
HI · Metal/Non-Metal
maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech
HANDLING OF MATERIALS
Puna Rock Company Ltd · Struck by falling object
While setting up a crusher, the crusher rock guard accidentally fell on right pinky finger which caused a contusion
2018 · 1 incident
February 21, 2018
HI · Metal/Non-Metal
crusher attendant/operator, pan feeder operator/worker
MACHINERY
Puna Rock Company Ltd · Caught in, under or between running or meshing objects
While cutting off metal conveyor belt splices with a pneumatic cutting tool, the head portion of the tool got loose and spun around and the cutting blade disk cut the palm of employee's right hand.
2013 · 1 incident
August 16, 2013
HI · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
HANDTOOLS (NONPOWERED)
Puna Rock Company Ltd · Struck by... (Not Elsewhere Classified)
While cribbing the tail pulley section of a conveyor, the pry bar slipped and struck the employee on his foot resulting in broken bones in his foot.