ML20101G766
| ML20101G766 | |
| Person / Time | |
|---|---|
| Site: | 05200001 |
| Issue date: | 06/15/1992 |
| From: | Chambers J GENERAL ELECTRIC CO. |
| To: | Peter Hearn, Poslusny C NRC |
| References | |
| NUDOCS 9206260278 | |
| Download: ML20101G766 (3) | |
Text
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,JLvi 15 '92 11:?Ndt G E lo:LE# Lt.K,.1 P.2 3 Proposed Discussion items for_ GE/NRC Meeting on ABWR Tech Specs MecharRCal_Syllerns i e 3.1.5 CRD Accumulators Appropriateness of propc. sed spec considering ABWR design differences (i.e., adop: ion of BWR/G LCO, but only portion for Rx at low pressure; accounting for RPS trip on low CRD l charging water header pressuro) 3.4.1 RIPS Operating l Appropriateness of proposed spec consMering ABWI ? sign l differences Impact of RIPS out of service on transient / accident analyses Documentation of supporting analyses 3.5.1 ECCS Operating Companson with DWR/6 i I - Justification of 30-day AOTs I Credit for " realistic" (i.e. Ch.19) analyses "Value" of low pressure vs. high pressure systems Same division vs. different division failures Capability and treatment of ADS function l Documentation of supporting analyses ? W t y 3.6.2.3 RHR Suppression Pool Coohng Tw pducpek l Comparison with BWR/G f ecee r e AM w wt j - Justification of 30 da, ACT p q w h is j Impact on containment analyses g. Credit for "reahstic" (i.e _ Ch.19) analyses t j* Documentation of supporting analyses 4 1
- 3. 7,1 Ultimate Heat Sink l
Treatment of site specific item in Design Certification i 3 7.2 RCW/RSW System - Operating 4 Comparison with BWH/G System capability relative to supported systems / components j Credit for "rcalistic" (i.e. Ch.19) analyses Documentation of supporting analyses e
= Proposed Discussion items for GE/NRC Meeting on ABWR Tech Specs (continued) 3 L&C Systerns l 3.3,1 HPS Instrumentation i instrumentation trip logic vs. final actuation logic Indefinite AOT for single channel of instrumentation Acceptability and allowable duration of 2-out-of-3 logic at output actuation logic level t Impact on logic ol loss of divisional power and/or essential multiplexing system (EMS) Proposed surveillance intervals ECCS Instrumehtation 3.3.5 4 Same issues as for RPS above , Cascading to affected equipment LCO vs. direct action \\ t 3.3,6 PCIS Instrumentation Same issues as for RPS and ECCS above MSIV logic vs. all other isolation logic \\ Other General issues 1 ) Use and imoact of PRA results i t - Treatment of sharea instruments (e.g., primary table entries by 4 instrument channel vs. function) \\ \\ n I i 0 s _____m _ ___}}