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RIR APPLICATIONS

ERIN Engineering and Research, Inc. has long been the industry leader in risk-informed regulatory (RIR) applications. Our involvement in RIR applications spans from the development of EPRI's PSA Applications Guide through the subsequent NRC policy decision-making on how PRA should be utilized in the regulatory process.

Over the past 15 years, ERIN has supported hundreds of successful risk-informed regulatory applications on topics such as:

  • Technical Specification Amendments
  • ILRT Extensions
  • Surveillance Frequency Optimization (RITS 5B)
  • Severe Accident Mitigation Alternatives (SAMA) for License Renewal
  • Missed Surveillance and Mode Change Evaluations
  • Risk-informed ISI (RIISI) Programs

In addition, ERIN has supported utilities in technical analyses related to the Reactor Oversight Process (ROP) including:

  • MSPI Margin Improvement
  • "Greater-than-Green" Significance Determination Process (SDP) Results

ERIN's extensive experience in successful applications assures that clients get the high quality assistance necessary for regulatory approval.