Disclaimer

The content of this site has been prepared by the members of the thematic network "S2S - A Gateway for Plant and Process safety". Since the conditions of use are beyond our control we disclaim any liability, including patent infringement, incurred in connection with the use of these products, data or suggestions.

The thematic network S2S is a European Community Project carried out in the "Competitive and Sustainable Growth" programme and funded in part by contract number G1RT-CT-2002-05092.
 

Training - LOPA

 

Application of LOPA

The basic LOPA steps

The basic steps for the LOPA risk assessment typically are:

  1. Identify the consequence

  2. Define the Risk Tolerance Criteria

  3. Define the relevant accident scenario

  4. Determine the initiating event frequency

  5. Identify the conditions, conditional modifiers (if applicable) and estimate the PFD

  6. Estimate the intermediate frequency of unmitigated consequence

  7. Identify the IPLs and estimate the probability of failure on demand for each IPL

  8. Determine the Frequency of Mitigated Consequence

  9. Evaluate the need for additional IPL

  10. Safety Instrumented System (SIS)

The basic steps of the LOPA method will be explained as following.


        
 
Copyright by S2S - A Gateway for Plant and Process Safety - All Rights Reserved.
Web site engine's code is Copyright © 2003 by PHP-Nuke. All Rights Reserved. PHP-Nuke is Free Software released under the GNU/GPL license.
Page Generation: 0.072 Seconds