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Portable-1 Metal/Non-Metal

West Hawaii Concrete · Surface

Controlled by Knife River Corporation

Kailuu-kona, Hawaii County, HI · Active

MSHA Mine ID: 5100242

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Email me when a new MSHA incident is filed at Portable-1.

Fatalities: 0
Total incidents: 2
Years on record: 2005–2013
Latest incident: Jul 2013

Compliance record

MSHA citations since 2004

citations

significant & substantial

$5,946

proposed penalties

$5,946

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	Per 1M hrs
2025 Q4	3,416	0	0.0
2025 Q2	4,060	5	1231.5
2025 Q1	3,644	0	0.0
2023 Q4	6,040	0	0.0
2022 Q4	4,160	0	0.0
2022 Q3	4,160	0	0.0
2021 Q1	2,600	0	0.0
2020 Q2	3,120	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

2 on file

2013 · 1 incident

July 23, 2013 HI · Metal/Non-Metal miner, prospector, nec OTHER

West Hawaii Concrete · Caught in, under or between (Not Elsewhere Classified)

Sometime between the hours of 1200 am and 6:00 am an unknown male between the age of 25 and 35 committed suicide. The victim used a self-purchased rope and entered onto the mine site, where he secured the rope to a railing on the screen and walked below and committed the act of suicide.

2005 · 1 incident

December 16, 2005 HI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

West Hawaii Concrete · Fall from machine

Splicing a conveyor belt on the radial stacker. As employee was cutting the belt the belt ripped and knocked the employee off the belt. Employee fell approx. 10 feet to the ground.