TRIR (Total Recordable Incident Rate)
A safety metric calculating the number of OSHA-recordable injuries and illnesses per 100 full-time employees per year.
Key Facts
- Formula: (Recordable incidents × 200,000) ÷ Total hours worked
- 200,000 represents 100 full-time employees working one year
- Industry averages: construction ~3.0, manufacturing ~3.2
- Many clients require contractors to meet TRIR thresholds
TRIR is calculated as: (Number of recordable incidents × 200,000) ÷ (Total hours worked by all employees). The 200,000 factor represents the hours 100 full-time employees work in a year (50 weeks × 40 hours × 100). TRIR is a standard benchmark used by OSHA, insurance companies, and clients to evaluate an employer's safety performance. Industry averages vary widely: construction averages around 3.0, manufacturing around 3.2, while professional services are typically below 1.0. Many construction and oil & gas clients require contractors to meet specific TRIR thresholds to bid on projects.
Safety Performance Metrics Compared
Key workplace safety metrics used by employers, OSHA, and insurance carriers.
| Type | Formula Basis | What It Measures | Used By | Good Benchmark |
|---|---|---|---|---|
| TRIR | (Incidents × 200K) ÷ Hours | All recordable incidents | OSHA, clients | < 3.0 (construction) |
| DART | (DART cases × 200K) ÷ Hours | Severe cases (days away/restricted) | Insurance, clients | Below industry avg |
| EMR | 3-yr claims vs expected | Claims experience vs average | Insurance carriers | < 1.0 |
| CSA Score | Inspection/crash/violation data | Carrier safety across 7 BASICs | FMCSA | Below intervention threshold |
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