 # Question: What Is FR And SR In Safety?

## What is frequency rate in safety?

The frequency rate is the number of people injured over a year for each million1 hours worked by a group of employees or workers.

If you know the number of injuries over a year and the hours worked then you can calculate the frequency rate..

## How is LTI rate calculated?

How to Calculate Lost Time Injury Rate. Lost Time Injury rate follows a simple formula to indicate your performance. Divide the total number of lost time injuries in a certain time period by the total number of hours worked in that period, then multiply by 200,000 to get the LTIR.

## What is LTI in safety?

A lost-time injury is something that results in a fatality, permanent disability or time lost from work. It could be as little as one day or shift. LTIFR refer to the number of lost-time injuries within a given accounting period, relative to the total number of hours worked in that period.

## How is safe man hours calculated after LTI?

The formula is as follows: ([Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the reporting period). And voila! Your company’s LTIFR is 2.4, which means there were 2.4 lost time injuries for every one million man hours worked.

## What is Severity Index in safety?

The severity rate is a calculation that gives a company an average of the number of lost days per recordable incident. … The calculation is made by dividing the total number of lost workdays by the total number of recordable incidents.

## How is man hour in safety calculated?

Calculating man hours is the basis for being able to measure the cost per project of each type of expert and his contribution to the result. The total man hours per task is obtained by multiplying the number of people assigned to a task by the total time it takes to complete it.