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Sewickley Mine Metal/Non-Metal

Neiswonger Construction Inc · Surface

Controlled by Clyde Holding Inc

Avonmore, Indiana County, PA · Active

MSHA Mine ID: 3609542

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Email me when a new MSHA incident is filed at Sewickley Mine.

Fatalities: 1
Total incidents: 3
Years on record: 2021–2023
Latest incident: Sep 2023

Compliance record

MSHA citations since 2009

230

citations

significant & substantial

$1,399,539

proposed penalties

$111,977

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	3,306	1	0	302.5
2025 Q2	4,000	0	0	0.0
2025 Q1	3,391	1	0	294.9
2024 Q4	4,092	2	0	488.8
2024 Q1	741	20	5	26990.6
2023 Q3	814	53	29	65110.6
2023 Q2	689	0	0	0.0
2023 Q1	5,346	14	5	2618.8

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

Fatalities at this mine

1 recorded

September 8, 2023 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · POWERED HAULAGE

Neiswonger Construction Inc · Struck by falling object

Employee disregarded lock out tag safety training and climbed into a hopper without de-energizing equipment and without notifying other workers in the area. Loader operator had no way of knowing that anyone would be inside the hopper with the feeder belt running. Employee in the hopper was buried and crushed when loader operator dumped 18 tons of stone into hopper

Reportable incidents

2 on file (excluding fatalities above)

2023 · 1 incident

May 23, 2023 PA · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)

Neiswonger Construction Inc · Struck by falling object

Employee was lying down underneath chute of stationary crusher attempting to dislodge limestone that was stuck. rock was dislodge and additional rock that employee did not see also fell striking EE in the right portion of EE's forehead

2021 · 1 incident

November 3, 2021 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

Neiswonger Construction Inc · Fall onto or against objects

Employee noticed conveyor belt was slipping and ran to the disconnect switch and EE stumbled while pulling the disconnect arm. EE's glove got caught on the disconnect arm as EE fell causing a strain on EE's right shoulder & bicep.