ML062480361
| ML062480361 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 08/02/2006 |
| From: | Dang Nguyen NRC/NRR/ADRO |
| To: | Jennifer Davis Office of Nuclear Reactor Regulation |
| References | |
| %dam200612, TAC MD2296 | |
| Download: ML062480361 (4) | |
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James Davis -
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Duc Nguyen James Davis 08/02/2006 3:54:43 PM Jim:
Attached is the RAI for electrical audit report at Pilgrim.
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Peter Wen; Ram Subbaratnam
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08/02/2006 3:54:34 PM Duc Nguyen DTN1 @nrc.gov Recipients nrc.gov OWGWPOO3.HQGWDOO1 JAD (James Davis) nrc.gov TWGWPO02.HQGWDO01 RXS2 CC (Ram Subbaratnam) nrc.gov TWGWPO04.HQGWDO01 PXW CC (Peter Wen)
Post Office OWGWPOO3.HQGWDOO1 TWGWPO02.HQGWDO01 TWGWPO04.HQGWDO01 Route nrc.gov nrc.gov nrc.gov Files Size Date & Time MESSAGE 371 08/02/2006 3:54:34 PM Pilgrim Request for Additional Information LRA Section 3.6.wpd 3918 08/02/2006 3:52:06 PM Options Expiration Date:
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James Davis - Pilgrim Request for Additional Information LRA Section 3.6.wpd Page~ 14 m*
James Davis - Pilgrim Request for Additional Information LRA Section 3.6-wpd 1Pag
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- Request for Additional Information Pilgrim Nuclear Power Station License Renewal Applicant Section 3.6 Electrical And Instrumentation and Controls RAI 3.6.2.2-N-01 In LRA, Table 3.6.2-1, under Cable connections (metallic parts), you have stated that no aging effects requiring management and no AMP is required. Further, in LRA, Table 3.6.1 under discussion of cable connection metallic parts, you have stated that cable connections outside of active devices are taped or sleeved for protection and operating experience with metallic parts of electrical cable connections at PNPS indicated no aging effects requiring management.
Electrical cable connections (metallic parts) are subject to the following aging stressors: thermal cycling, ohmic heating, electrical transients, vibration, chemical contamination, corrosion, and oxidation. NUREG-1801, Revision 1, AMP XI.E6, "Electrical Cable Connection not Subject to 10 CFR 50.49 Environmental Qualification Requirements," specifies that connections associated with cables within the scope of license renewal are part of this program, regardless of their association with active or passive components. Provide a basis document including an AMP with the ten elements for cable connections or provide a justification for why an AMP is not necessary.