# Cadman (Redmond)

- **MSHA mine ID:** 4500585
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** King, WA
- **Operator:** HM Pacific Northwest, Inc.
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 904
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → HM Pacific Northwest, Inc. (0152314) → Cadman (Redmond) (4500585)**

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

## Controller and operator valid-time history

- **Jon M  Magnussen  et al → Cadman Gravel Company:** 1950-01-01 through 1991-01-01; derived from co-tenure at mine 4500585; source `msha-controller-operator-history`.
- **Paul J  Taylor  et al → Cadman Gravel Company:** 1950-01-01 through 1991-01-01; derived from co-tenure at mine 4500585; source `msha-controller-operator-history`.
- **Cimenteries Cbr Cementbedrijven → Cadman Inc:** 1991-01-02 through 2000-07-20; derived from co-tenure at mine 4500585; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Cadman Inc:** 2000-07-21 through 2023-01-30; derived from co-tenure at mine 4500585; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → HM Pacific Northwest, Inc.:** 2023-01-31 through current/open; derived from co-tenure at mine 4500585; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 8 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 112 violation rows across the full record; 21 carry an S&S flag and $18,573 appears in current assessed amounts.
3. **HEALTH — 16 samples:** Occupational health samples 16 personal. 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 2K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 20 since 2021:** Inspections 78 inspection events and 1K 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 50.30-1 — General instructions for completing MSHA Form 7000-2.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30-1
- **30 CFR 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.12032 — Inspection and cover plates.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.14110 — Flying or falling materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2002-03-21 through 2022-08-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-06-05 through 2025-06-05; source ID `msha-addresses`
- **Assessed Violations:** 110 rows; 2001-06-06 through 2025-06-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2014-06-04 through 2014-06-04; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2019-12-13 through 2019-12-13; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2013-10-03 through 2013-10-03; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 253 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 63 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2023-01-31; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2001-06-06 through 2025-06-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 202 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 52 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 16 rows; 2003-11-20 through 2023-02-16; source ID `msha-personal-health-samples`
- **Violations:** 112 rows; 2001-06-06 through 2025-06-05; 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/cadman-redmond-4500585`
- JSON: `/api/v1/mines/cadman-redmond-4500585`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4500585/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4500585/relationships`
- MCP resource: `mine://4500585/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`