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Scenario 5: Loss of Coolant Accident — Emergency Response

Reactor: Generic PWR. Pattern: Pattern 9 (7 agents). Primary concept: Full role deployment during LOCA response.

Description

The most complex single-event scenario. Seven agents deploy in a Pattern 9 architecture to support operator response to a LOCA: domain experts (RCS, containment), adversarial agent on different model, projection agent coupled to RELAP5, synthesiser, SA bridge, and coordination monitor.

Key Design Elements

  • Full functional role specialisation from Report 2 Table 5
  • Governance gates for all safety-significant recommendations
  • Parallel execution model (7 agents × 8s sequential = 56s; parallel ≈ 8s)
  • Mode escalation from normal monitoring to emergency configuration
  • Flow gates during time-critical phases
  • Operator room pause capability