# Seagoville S & G Plant 280

- **MSHA mine ID:** 4101163
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Dallas, TX
- **Operator:** Trinity Materials Inc
- **Controller:** Arcosa, Inc
- **Public source rows linked:** 117
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Arcosa, Inc (0144281) → Trinity Materials Inc (L13225) → Seagoville S & G Plant 280 (4101163)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **General Portland Inc → Trinity Metroplex Div-General Portland Inc:** 1950-01-01 through 1981-11-11; derived from co-tenure at mine 4101163; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Corp:** 1981-11-12 through 1994-12-15; derived from co-tenure at mine 4101163; source `msha-controller-operator-history`.
- **Trinity Industries Inc → Trinity Materials Inc:** 1994-12-16 through 2018-10-31; derived from co-tenure at mine 4101163; source `msha-controller-operator-history`.
- **Arcosa, Inc → Trinity Materials Inc:** 2018-11-01 through current/open; derived from co-tenure at mine 4101163; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 34 violation rows across the full record; 19 carry an S&S flag and $7,709 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 0 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 0 since 2021:** Inspections 7 inspection events and 158 published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.12001 — Circuit overload protection.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12001
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.12030 — Correction of dangerous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.11027 — Scaffolds and working platforms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11027
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2000-01-22 through 2001-06-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-05-23 through 2002-05-23; source ID `msha-addresses`
- **Assessed Violations:** 34 rows; 2000-02-09 through 2002-01-03; source ID `msha-assessed-violations`
- **Conferences:** 9 rows; 2000-05-05 through 2002-02-07; source ID `msha-conferences`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1994-12-16; source ID `msha-controller-operator-history`
- **Inspections:** 7 rows; 2000-02-09 through 2002-01-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 18 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 34 rows; 2000-02-09 through 2002-01-03; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/seagoville-s-g-plant-280-4101163`
- JSON: `/api/v1/mines/seagoville-s-g-plant-280-4101163`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4101163/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4101163/relationships`
- MCP resource: `mine://4101163/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`