ML080600009
| ML080600009 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 02/27/2008 |
| From: | Lynnea Wilkins NRC/NRR/ADRO/DORL/LPLIV |
| To: | Larson M Entergy Operations |
| Wilkins, L E, NRR/DORL/LPL4, 415-1377 | |
| References | |
| TAC MD7758, VRR-GGNS-2007-02 | |
| Download: ML080600009 (2) | |
Text
From:
Lynnea Wilkins To:
MLARSON@entergy.com Date:
2/27/2008 4:04:45 PM
Subject:
DRAFT RAI for MD 7758 - Grand Gulf SRV relief reqest
- Mike, The draft RAIs for Relief Request VRR-GGNS-2007-2 (MD7757) are provided below.
Please let me know your convenient times and dates in the next week to schedule a conference call to ensure that the questions are clearly understood and to obtain the date of the responses to the RAIs.
Thanks Relief Request VRR-GGNS-2007-2, MD7757
- 1. Verify [acknowledge that it is true] that Valves 1B21-F041K, 1B21-F041F, 1B21-F051F, 1B21-F051B, 1B21-F041D, 1B21-F047D were refurbished to a like-new condition prior to being placed in storage and later installed in October 2005. Verify that Valves 1B21-F047L, 1B21-F041G, 1B21-F047G, 1B21-F051C and 1B21-F047C were refurbished to a like-new condition prior to being placed in storage and later installed in March 2007.
- 2. Discuss if the controlled environment for the storage of Valves 1B21-F041K, 1B21-F041F, 1B21-F051F, 1B21-F051B, 1B21-F041D, 1B21-F047D, 1B21-F047L, 1B21-F041G, 1B21-F047G, 1B21-F051C and 1B21-F047C was equipped to prevent condensation and corrosion.
- 3. Please provide test results for Dikkers Model G-471 safety relief valves (SRVs) that were maintained in a controlled environment similar to the GGNS controlled environment for an extended period of time and setpoint tested prior to actual installation. As an alternative, discuss why the as-found set-pressure test results for Dikkers Model G-471 SRVs provided in a letter dated September 28, 2007 (Agencywide Documents Access and Management System Accession No. ML072740030) are be applicable to the GGNS SRVs.
Lynnea Wilkins General Engineer, NSPDP NRR/DORL/LPL4 301-415-1377 CC:
Mail Envelope Properties (47C5D06D.261 : 11 : 10422)
Subject:
DRAFT RAI for MD 7758 - Grand Gulf SRV relief reqest Creation Date 2/27/2008 4:04:45 PM From:
Lynnea Wilkins Created By:
LEW2@nrc.gov Recipients entergy.com MLARSON (MLARSON@entergy.com) nrc.gov TWGWPO04.HQGWDO01 BKV CC (Bhalchandra Vaidya)
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