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Lost Time Injury Frequency

“Zero lost time incidents” measures our success in making health and safety a top priority. The target is to eliminate incidents and causes of injuries which result in lost time from work. Lost Time Injury Frequency (LTIF) is calculated by multiplying the number of incidents that resulted in lost time by 200,000 (100 employees working full-time) then dividing that by the number of total employee labour hours.  

How are we doing?

Lost work time due to injuries relative to the number of hours employees worked has been relatively consistent over the past four years.  A decline in the frequency of lost time injuries occurred in 2017 with numbers going from 2.43 to 2.28.

Data Table
Lost Time Injury Frequency
  2009 2010 2011 2012 2013 2014 2015 2016 2017 ...2023
Lost Time Injury Frequency  6.67 5.51 4.3 4.4 4.1 4.5 3.6 2.43 2.28  
 Target                   0


"Lost Time Injury Frequency" (LTIF) measures our success in making health and safety a top priority under our goal for "Continuous Improvement." The target is to eliminate incidents and causes of injuries which result in lost time from work.

LTIF =     Number of lost time injuries x 200,000    
             Number of employee labour hours worked

Note: 200,000 is the base for 100 full-time equivalent workers (working 40 hours per week, 50 weeks per year)

How are other cities doing?

Saskatoon's lost time injury frequency is slighting lower than the average for all Saskatchewan municipalities, but is higher than the overall Saskatchewan industry average. As the large municipal employer in the province, Saskatoon's lost time has a significant influence on the average for all Saskatchewan municipalities.


2016 Lost Time Injury Frequency

Saskatchewan Municipal Average   
Saskatchewan Industry Average   
2.8 1.9


What do we need to do to achieve this target?

An integrated Health and Safety Management System is being implemented to make health and safety a top priority. Culture change will be influenced by increasing safety awareness to reduce injuries through

  • Regular safety and toolbox meetings 
  • Regular Occupational Health and Safety (OHS) Committee meetings 
  • Inspections 
  • Incident investigations 
  • Ergonomic assessments and adaptations 
  • Enhanced training, particularly for new equipment operators

Over the longer term, safety can be improved through implementing an online Health and Safety Management System in order to provide quick collection of more comprehensive information so that timely corrective action can be undertaken to prevent future similar injuries.

What are the benefits of achieving the target?
  • Positive impact on employees’ personal lives and daily living activities
  • Reduced pain and suffering for employees
  • Positive impact on productivity and employee morale
  • Lower Workers Compensation Board (WCB) rates as expenses associated with medical treatment, rehabilitation, and pension costs for long-term claims are reduced

What are the risks?
  • “Lost time” may not be interpreted the same by those reporting on the measure, thereby reducing the value of comparative information
  • Anticipating and preventing all sources of accidental injury may not be achievable or practical in some cases where risk is small. Risk versus benefits needs to be considered when making investments
  • Sometimes incidents occur when situations interact in unexpected ways
  • Incidents may not be reported if they are associated with disincentives or loss of incentives

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