Tri-State Portable Plant: 1 reportable incident Metal/Non-Metal

Tri-State Construction Inc · Surface

King County, WA · Abandoned

MSHA Mine ID: 4503097

MSHA record for Tri-State Portable Plant (mine ID 4503097). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities: 0
Total incidents: 1
Years on record: 1986
Latest incident: Jul 1986

Ownership history

Tri-State Construction Inc 1986 to present

Source: MSHA controller and operator history, updated weekly.

Local economic context

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County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.

King County, Washington · Population 2,262,713

0.0%

Mining share of county employment

$122,148

Median household income

Source: US Census Bureau, American Community Survey 2023 5-year estimates.

No fatalities recorded at this mine.

Reportable incidents

1 on file

1986 · 1 incident

July 10, 1986 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE

Tri-State Construction Inc · Caught in, under or between (Not Elsewhere Classified)

I.NAME REACHED 2VER FEEDER CONVEYOR GUARD TO ADJUST, GUARD SHIFTED, LOST BALANCE, RIGHT HAND AND ARM PULLED INTO HEAD PULLEY AND BELT. RIGHT HAND AND ARM CRUSHED

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Tri-State Portable Plant sits in King County, Washington, where the Census mining category is 0.0% of county employment.

Reportable incidents

1986 · 1 incident

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