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sil-calculator

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Safety Integrity Level calculation skill for SIF design and verification per IEC 61511

library/specializations/domains/science/chemical-engineering/skills/sil-calculator/SKILL.md

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# SIL Calculator Skill

## Purpose

The SIL Calculator Skill determines Safety Integrity Levels for Safety Instrumented Functions and verifies SIF designs meet required risk reduction per IEC 61511.

## Capabilities

- SIL determination (risk graph, LOPA, risk matrix)
- PFDavg calculations
- Proof test interval optimization
- Common cause failure analysis
- Hardware fault tolerance verification
- Diagnostic coverage assessment
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