This topic describes how to access the LOPA Summary workspace, which provides an overview of frequencies and probability values associated with various calculations in LOPA.
The Summary section appears, displaying summary information for the LOPA and the associated Conditional Modifiers and Safeguards.
The Summary section contains the following information:
Initiating Event: Contains the description of the Initiating Event and the frequency of occurrence of the initiating event.
Enabling Event or Condition: Contains the description of the enabling event and the probability of occurrence of the enabling event.
Frequency of Unmitigated Consequence: Contains the frequency of occurrence of the Consequence before any Safeguards and IPLs are considered.
Conditional Modifiers: Contains the Conditional Modifier ID and the probability of occurrence of the Conditional Modifier. One row appears for each Conditional Modifier that is associated with the LOPA.
Safeguards and IPLs: Contains the Safeguard ID and the probability that the Safeguard will fail on demand (PFD). One row appears for each Safeguard that is associated with the LOPA.