Relief System Designer Skill

Purpose

The Relief System Designer Skill designs pressure relief systems including PSV sizing, relief load calculations, and disposal system design per API standards.

Capabilities

• Relief scenario identification
• Relief load calculations
• PSV sizing (API 520/521)
• Flare header hydraulics
• Blowdown system design
• Two-phase relief calculations
• Reactive systems relief
• Relief device selection

Usage Guidelines

When to Use

• Designing pressure relief systems
• Sizing relief devices
• Analyzing flare headers
• Evaluating relief scenarios

Prerequisites

• Process conditions defined
• Relief scenarios identified
• Physical properties available
• Design codes specified

Best Practices

• Consider all credible scenarios
• Use appropriate methods for two-phase
• Account for backpressure
• Document all assumptions

Process Integration

This skill integrates with:

• Pressure Relief System Design
• Safety Instrumented System Design
• HAZOP Study Facilitation

Configuration

relief-system-designer:
  design-codes:
    - API-520
    - API-521
    - API-526
  relief-scenarios:
    - fire
    - blocked-outlet
    - control-valve-failure
    - runaway-reaction

Output Artifacts

• Relief calculations
• PSV datasheets
• Flare load summaries
• Header sizing calculations
• Disposal system design