VAIL-PHA Software : Process Hazard Analysis

VAIL – PHA is considered to be one of the most comprehensive process hazard analysis software systems available in the market for effective process safety management in all stages of design and operation.

It can examine the progress of a potential incident from the initial release to far-field dispersion analysis comprising modelling of pool spreading and evaporation, and flammable and toxic effects. VAIL – PHA can also optimize the safety and risk management of your process system in accordance with industry best practices without compromising safety, environment and cost.

It is specially built to execute all stages of SIL classification, SIL verification and preparation of Safety Requirement Specifications (SRS). VAIL-PHA supports testing interval and Spurious Trip Rate (STR) calculations of Safety Instrumented Functions (SIF), and it is developed in compliance with ANSI/ISA TR84.00.02.

VAIL- PHA encompasses five modules:

  1. Safety Integrity Level (SIL)
  2. Hazard & Operability Study (HAZOP)
  3. Failure Effects Mode Analysis (FEMA)
  4. Root Cause Analysis (RCA)
  5. What-If Analysis

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Various methodologies are available for assessment of target SILs

Safety Layer Matrix Method (SIL Matrix) (Qualitative)
Risk Graph Method (Semi-Qualitative)
LOPA Method (Semi-Quantitative)

Benefits of VAIL-PHA's Hazard and Operability (HAZOP) Study

Overview of Safety Integrity Level (SIL) with Layer of Protection Analysis (LOPA).
Calculates MTBF & MTTR along with general reliability data.
Risk Ranking
Risk Matrix
Risk Graph Comparisons
Target PFD Calculations
Accurate Documentation
Centralized & Efficient Analysis
Effective Process Safety Management
Regulatory Compliance
Optimized PHA templates
Process Studies, Diagrams & Worksheets
Calculates the test interval
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