Mining Incidents

Constructors Inc (NE): 700 MSHA citations controller

MSHA controller ID: M00053

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Fatalities
0
Total incidents
181
Mines on record
3
Years on record
1983–2026
Compliance record
MSHA citations since 2000
700
citations
144
significant & substantial
$329,034
proposed penalties
$219,293
paid to date
67% of proposed penalties paid to date, a $109,742 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
196
inspections on record
9,224
inspection hours
7.6
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.
700 citations across 9,224 inspection hours.
Source: MSHA inspections data, updated weekly.
Imminent-danger orders
A Section 107(a) order removes miners from an area when an inspector finds an imminent danger. Each order is lifted once the condition is corrected, so this counts orders issued, not orders now in effect.
4
Section 107(a) orders
Most recent order: 2015-02-10.
On record since 2011.
Source: MSHA imminent-danger order records, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$329K
proposed penalties
$220K
current assessed
$219K
paid to date
$511
outstanding
680 assessments are final orders; 83 contested dockets.
Of $273K in penalties contested before the Commission, $164K was upheld in final decisions.
As of the most recent assessment on 2026-05-21.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
21.0%
significant & substantial
5.2%
high negligence or reckless
20.4%
reasonably likely or greater
57.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.4% none, 13.5% low, 80.8% moderate, 5.2% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Injury rate, 2025
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
3.35
total case rate
1.12
days-away rate
0.000
fatality rate
Above average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
Year total case rate days-away fatal
2026 * 0.00 0.00 0.000
2025 3.35 1.12 0.000
2024 1.11 0.00 0.000
2023 3.25 0.00 0.000
2022 4.46 2.23 0.000
2021 1.13 0.00 0.000
2020 5.46 1.09 0.000
2019 1.05 1.05 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2026-05-21
9%
of limit-tested samples over the exposure limit
165
samples
128
limit-tested
Most sampled contaminants
  • Diesel particulate (total carbon)628 over
  • Total Carbon,TC143 over
  • Total Carbon,calculated from elemental carbon.141 over
  • Respirable dust, <.1mg31

Area samples (mill and shop air)

Last sampled: 2026-02-18
11
samples
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
When citations were contested
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
353 citations taken to the federal commission · 50% of citations on record
  • Settled 347 · 98%
  • Stood as issued 3 · 1%
  • Still open 3 · 1%
71%
S&S designation survived the contest
Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 139 decided S&S contests · industry: 79%
40%
Penalty reduction in decided contests
$269K proposed, $161K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2026-04-15. Vacated and withdrawn citations are removed from the file this view attributes through, so that outcome is slightly undercounted here.
Contested penalties
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this controller contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
CENT 2024-0128 Settlement Lewis 2024 $51K → $5K
CENT 2013-229M Settlement Simonton 2013 $22K → $14K
CENT 2011-641M Settlement Tureck 2011 $20K → $18K
CENT 2010-500M Settlement Pope II 2012 $13K → $9K
CENT 2013-103M Settlement Paez 2013 $11K → $3K
CENT 2014-0380 Settlement Bulluck 2015 $11K → $8K
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.

Top causes

Incident timeline

2026
1
2025
3
2024
2
2023
4
2022
4
2021
1
2020
5
2019
2
2018
1
2016
4
2015
2
2014
5
2013
3
2012
2
2011
1
2010
4
2009
3
2008
2
2007
5
2006
1
2005
1
2004
4
2002
2
2001
1
2000
2
1999
1
1998
4
1996
1
1995
4
1994
6
1993
8
1992
16
1991
11
1990
7
1989
9
1988
13
1987
6
1986
6
1985
6
1984
10
1983
8

Operators under this controller

Mines on record

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Where Constructors Inc (NE) stands on silica, penalties, and injury rate

MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.

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