DART stands for days away, restricted or transferred, and is often used as a safety metric by OSHA, which helps employers determine the number of workplace injuries and illnesses resulting in work transfers, modified work duties, and days away from work in a calendar year. Axiom Medical can help clients with DART reduction and TRIR rating by utilizing our all-in-one Total Employee Health approach. Our team will assist you on your employee health journey, starting from pre-employment to post-employment.

What Is a DART Rate?

The DART rate is an OSHA calculation that mathematically calculates and determines how safe your business has been in a calendar year. This calculation depends on the total number of workers’ compensation claims and recordable injuries and illnesses per 100 full-time employees.

If any of these cases resulted in days away from work or restricted work activity and/or job transfer in any given time frame, the overall DART rate and OSHA recordables are calculated accordingly.  DART or incident rates indicate the severity of incident and outcome.

How Does DART Reduction Help Employers?

DART measurements are past performance or lagging indicators.

  • Incident rates are one of many safety performance indicators that can be used for measuring performance.
  • While many items should be used to measure performance, incident rates tend to be viewed as a primary indication of something while scrutinizing the workplace safety system.
  • This is because employers can quickly figure out the incident rates and compare the data with past performance indicators.

How to Calculate a DART Rate?

Employers must use the OSHA DART rate calculator to report incident rates, lost time rates, and severity rates. Based on the recordable incident rates, employers can calculate the incident rates and the DART rate for that year. OSHA takes the recordable incidents into account per working hours. It is calculated by multiplying the number of recordable OSHA cases by 200,000, which is the total yearly working hours for full-time employees.

What is TRIR and How is it Calculated?

The Total Recordable Incident Rate is also known as your TRIR. TRIR is a significant component while calculating the DART rate. The TRIR is a vital safety performance indicator, which gives the company an overview of the organization’s past safety performance by calculating the recordable incidents in a year. TRIR Calculation Formula:

Total Number of Recordable Cases x 200,000/divided by all employees’ total hours during the year

What OSHA’s New Injury-Reduction Program Means to Employers?

Businesses within a manufacturing facility often use a risk management program to minimize workplace incidents and injuries. To help employers measure workplace safety performance and determine the employee injury-related impacts, the Occupational Safety and Health Administration (OSHA) introduced DART and TRIRs.  This rate measures the total missed workdays, days away, and transfer from regular job to either restricted activities or to a different job.

Are you interested in building a customized OSHA program to decrease your DART and TRIR? Axiom Medical can help. Call us today! (877) 502-9466 | (281) 419-7063

They Said It!

I believe with confidence that we are reaching all of our expected goals by bringing Axiom on as an outsourced case management solution.

Axiom has helped us closely monitor the injured employee’s progress through the medical treatment process. Early treatment has kept our employees at work when in the past they would have likely taken time off or been placed off by a physician.

I recommend Axiom because their Nurse Case Management Team is their biggest asset. They are accessible, give great reports and are responsive to our needs.



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