ML11255A340

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State-of-the-Art Reactor Consequence Analyses (Soarca), Peach Bottom Initial Information Needs
ML11255A340
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 08/25/2011
From:
NRC/OIS/IRSD/ISB
To:
References
FOIA/PA-2011-0083
Download: ML11255A340 (1)


Text

STATE-OF-THE-ART REACTOR CONSEQUENCE ANALYSES (SOAR CA)

Peach Bottom Initial Information Needs MELCOR Related Information A "Description of containment failure criteria (Please confirm whether the discussion in Section 4.4 of the Peach Bottom IPE is still considered valid and a best-estimate characterization.)"

A current "MAAP model" (or similar thermal-hydraulic model of reactor and containment) with associated documentation.

MACCS2 Related Information Reg Guide 1.23, "Onsite Meteorological Programs," data that includes 8760 consecutive hours of meteorological data provided in electronic format, if available. In addition, if the licensee records precipitation (not required by the Guide), the precipitation data for the same 8760 hours0.101 days <br />2.433 hours <br />0.0145 weeks <br />0.00333 months <br /> of Reg Guide 1.23 data is needed. At what time intervals are meteorological data collected and readily available (i.e., 15 minutes or 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />)

Emergency Prepardness Related Information The complete Evacuation Time Estimate (ETE) report. The full size, color (if available) EPZ map with evacuation routes.

Structural Related Information Provide the number, material, dimensions, and mechanical properties for the drywell top flange assembly gasket(s), Torque value(s) for drywell top flange bolts (2-1/2"), and detailed drawings of containment bellows and related design basis analyses.