Lost Time Incident Frequency (LTIF) Calculator

By | 2018-02-17T16:01:14+00:00 March 4th, 2017|HSE KPI|0 Comments

A 12-month rolling average Lost Time Incident frequency per 1 million manhours.

Manhours are based on a 12 hour working day or actual hours worked if recorded.

Formula

Number of LTI cases x 1 million / Quantity of  manhours worked (Include staff and contractors.)

Example:

  1. Number of LTI cases = 2
  2. Number of people (employee + contractors) on site in rolling 12 months = 40
  3. Quantity of manhours worked = 365 * 12 (hr day) * 12 (month/year) * 40 (employee + contractors) = 175200

Result:

2 * 1 000 000 / 175200 = 11.42 LTIF

About the Author:

Caspianexplorer
HSE Professional with more than 14 years experience in the Upstream Oil & Gas industry. Created this website to help the HSE Professionals from around the globe to form a sharing and learning community. My inspiration in HSE is a verse from Quran: whoever saves one - it is as if he had saved mankind entirely [Quran, al Maida 5:32]
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