PORTABLE PLANT Metal/Non-Metal
JCK SAND & GRAVEL LLC
· Surface
Controlled by
Keith A Dupuis
JAFFREY,
Cheshire County,
NH
·
Active
MSHA Mine ID: 2700401
PORTABLE PLANT has $1K 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2005
8
citations
2
significant & substantial
$1,030
proposed penalties
$1,030
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
9
inspections on record
83
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: 83 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 PLANT has $1K 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.$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
8 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-12.
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 | 1,346 | 0 | 0 | 0.0 |
| 2025 Q3 | 611 | 1 | 1 | 1636.7 |
| 2025 Q2 | 841 | 0 | 0 | 0.0 |
| 2025 Q1 | 509 | 0 | 0 | 0.0 |
| 2024 Q4 | 801 | 0 | 0 | 0.0 |
| 2024 Q3 | 778 | 0 | 0 | 0.0 |
| 2024 Q2 | 663 | 0 | 0 | 0.0 |
| 2024 Q1 | 730 | 0 | 0 | 0.0 |
Show 10 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 680 | 0 | 0 | 0.0 |
| 2023 Q3 | 545 | 0 | 0 | 0.0 |
| 2023 Q2 | 600 | 1 | 0 | 1666.7 |
| 2023 Q1 | 636 | 0 | 0 | 0.0 |
| 2022 Q4 | 1,052 | 0 | 0 | 0.0 |
| 2022 Q3 | 928 | 0 | 0 | 0.0 |
| 2022 Q2 | 927 | 2 | 1 | 2157.5 |
| 2005 Q4 | 470 | 0 | 0 | 0.0 |
| 2005 Q3 | 545 | 0 | 0 | 0.0 |
| 2005 Q2 | 988 | 4 | 0 | 4048.6 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on PORTABLE PLANT
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.