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Portable Rock Drill #316 Metal/Non-Metal

BMC Aggregates LC · Surface
Raymond, Black Hawk County, IA  ·  Abandoned
MSHA Mine ID: 1302170

Portable Rock Drill #316 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
1989–1991
Latest incident
Dec 1991
Compliance record
MSHA citations since 2000
20
citations
4
significant & substantial
$2,045
proposed penalties
$2,045
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
29
inspections on record
213
inspection hours
n/a
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 213 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Rock Drill #316 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
ⓘ Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
20 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-06-14.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
Quarterly safety rates
ⓘ Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 0 0 0
2025 Q3 544 0 0 0.0
2025 Q2 444 0 0 0.0
2025 Q1 325 0 0 0.0
2024 Q4 201 0 0 0.0
2024 Q3 157 0 0 0.0
2024 Q2 232 0 0 0.0
2024 Q1 85 0 0 0.0
Show 75 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 451 0 0 0.0
2023 Q3 578 0 0 0.0
2023 Q2 654 0 0 0.0
2023 Q1 522 0 0 0.0
2022 Q4 458 0 0 0.0
2022 Q3 587 0 0 0.0
2022 Q2 565 1 0 1769.9
2022 Q1 503 0 0 0.0
2021 Q4 197 0 0 0.0
2021 Q3 661 1 0 1512.9
2021 Q2 279 0 0 0.0
2021 Q1 0 0 0
2015 Q3 0 0 0
2015 Q2 0 0 0
2015 Q1 0 0 0
2014 Q4 601 0 0 0.0
2014 Q3 20 1 0 50000.0
2014 Q2 0 0 0
2014 Q1 0 1 0
2013 Q4 0 0 0
2013 Q3 1,712 1 0 584.1
2013 Q2 1,830 0 0 0.0
2013 Q1 0 0 0
2012 Q4 1,485 2 1 1346.8
2012 Q3 1,789 0 0 0.0
2012 Q2 1,952 2 1 1024.6
2012 Q1 0 0 0
2011 Q4 1,366 0 0 0.0
2011 Q3 1,869 0 0 0.0
2011 Q2 1,510 0 0 0.0
2011 Q1 1,009 0 0 0.0
2010 Q4 1,452 0 0 0.0
2010 Q3 1,590 0 0 0.0
2010 Q2 1,727 0 0 0.0
2010 Q1 283 0 0 0.0
2009 Q4 1,418 1 0 705.2
2009 Q3 1,963 0 0 0.0
2009 Q2 1,736 0 0 0.0
2009 Q1 954 0 0 0.0
2008 Q4 1,851 0 0 0.0
2008 Q3 2,001 0 0 0.0
2008 Q2 1,736 0 0 0.0
2008 Q1 1,068 4 1 3745.3
2007 Q4 1,736 0 0 0.0
2007 Q3 2,019 0 0 0.0
2007 Q2 1,718 0 0 0.0
2007 Q1 1,602 0 0 0.0
2006 Q4 1,768 0 0 0.0
2006 Q3 1,918 0 0 0.0
2006 Q2 1,985 0 0 0.0
2006 Q1 1,261 0 0 0.0
2005 Q4 1,798 0 0 0.0
2005 Q3 1,892 0 0 0.0
2005 Q2 1,990 0 0 0.0
2005 Q1 1,228 0 0 0.0
2004 Q4 1,856 0 0 0.0
2004 Q3 2,627 0 0 0.0
2004 Q2 2,085 0 0 0.0
2004 Q1 1,632 0 0 0.0
2003 Q4 1,291 0 0 0.0
2003 Q3 1,913 0 0 0.0
2003 Q2 1,866 1 0 535.9
2003 Q1 859 0 0 0.0
2002 Q4 1,847 0 0 0.0
2002 Q3 2,214 0 0 0.0
2002 Q2 2,356 0 0 0.0
2002 Q1 1,817 0 0 0.0
2001 Q4 1,908 0 0 0.0
2001 Q3 2,128 0 0 0.0
2001 Q2 1,925 0 0 0.0
2001 Q1 2,374 0 0 0.0
2000 Q4 2,136 0 0 0.0
2000 Q3 2,541 0 0 0.0
2000 Q2 2,372 5 1 2107.9
2000 Q1 2,101 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

1991 · 1 incident

December 4, 1991 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Basic Materials Corp · (Not Elsewhere Classified)

THE EMPLOYEE WAS OEPRATING A FRONT END LOADER WHEN A BLOOD VESSEL BROKE INSIDE HIS BRAIN. WHILE TRYING TO GET OUT OF HIS LOADER HE CUT HIS RIGHT ARM AND HAND ON THE STEERING WHEEL.

1989 · 1 incident

August 16, 1989 IA · Metal/Non-Metal SLIP OR FALL OF PERSON
Basic Materials Corp · Fall onto or against objects

HE STEPPED FROM CAB OF DRAGLINE ONTO THE TRACK OF THE DRAGLINE. THERE WAS WET LIME ON THE TRACK CAUSING HIM TO SLIP. HE FELL HITTING HIS BUTT ON THE TRACK. EVIDENTLY THE SUDDEN JERK SPRUNG HIS NECK.

For insurers, brokers, and safety consultants

The full compliance file on Portable Rock Drill #316

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.

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