Acceptable Risk Criteria
Risk Risk is commonly defined as a result of multiplication of likelihood (frequency of an event happening) and undesired conseque
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Knowledge Portal
Standards and lessons learned from Incidents
Standards can be considered as collective experience and knowledge of human being to do a certain work or making an equipment. In fact the International Organization for Standardization (ISO) defines a standard as: Think of them as a formula that …
Read MoreProcess Safety Time (PST) Part 8 / PST Calculation Reporting
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
Read MoreProcess Safety Time (PST) part 7 / PST Terms Of Reference (TOR)
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
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Process Safety Time (PST) part 6 / A worked out example
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
Read MoreProcess Safety Time (PST) part 5 / calculation methodology
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
Read MoreProcess Safety Time (PST) part 4 / calculation methodology
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
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Process Safety Time (PST) part 3 / calculation methodology
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
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Process Safety Time (PST) part 2 / calculation methodology
IEC 61511 is the standard that set the requirements for Safety Instrumented Systems (SIF). As part of this standard, a SIF is required to act within adequate response time to bring the process or a system to a safe state. …
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Layer Of Protection Analysis (LOPA) Building blocks
Aim of every HAZARD analysis is to assess risks and determine if enough safeguards are at place against a specific risk. HAZOP is a common HAZARD analysis study, however it is a qualitative study. This means that the risk is …
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