Sierra Rock operator
Controlled by
Loring H Brunius
MSHA operator ID: L03130
- Fatalities
- 0
- Total incidents
- 5
- Mines on record
- 1
- Years on record
- 1989–2005
Compliance record
MSHA citations since 2000
271
citations
78
significant & substantial
$89,693
proposed penalties
$32,347
paid to date
36% of proposed penalties paid to date, a $57,346 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
65
inspections on record
1,166
inspection hours
23.2
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.271 citations across 1,166 inspection hours.
Source: MSHA inspections data, 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.$101K
proposed penalties
$94K
current assessed
$44K
paid to date
$50K
outstanding
275 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2018-10-02.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 3 non-fatal
- MACHINERY 1 non-fatal
- SLIP OR FALL OF PERSON 1 non-fatal
Incident timeline
2005
1
2003
1
2002
1
1994
1
1989
1
Mines on record
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The full compliance file on Sierra Rock
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.