ML052030468
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| ML052030468 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 06/07/2004 |
| From: | Paul Krohn NRC/RGN-III |
| To: | Jamnes Cameron, Louden P NRC/RGN-III |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML052030468 (1) | |
Text
I Patrick Louden - Point Beach Unit I Leaking Main Steam Valve, CIV Compliance Question l
Page I From:
Paul Krohn To:
Cameron, Jamnes; Louden, Patrick Date:
6/7/04 4:46PM
Subject:
Point Beach Unit 1 Leaking Main Steam Valve, CIV Compliance Question Pat and Jamnes, Here's an update on the I MS-228 (Unit I 'A' SG header Drain and Trap Isolation).
Current Status Unit I at NOPiNOT. I MS-228 leaking from body-to-bonnet joint at 4 drops/second.
Chronoloav
- 1) 614/04, 0150. AO identifies steam leak. 1 MS-228 was Identified as a first-off isolation valve, upstream of the Unit 1 'A' SG MSIV. Unit 1 heatup following a refueling outage was In progress. Unit 1 was In Mode 3 (Hot Standby).
- 2) 614/04, 0315, Ops attempts to shut 1 MS-228. Unsuccessful, leakage increased as valve was being shut.
- 3) 6/4/04, 0345. Decided that LCO 3.6.3, Containment Isolation Valves, not met. Enter TSAC 3.6.3.C.1 to isolate affected penetration within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. LCO start time taken back to 0150.
- 4) 6/4104, 0414. RCS heatup stopped. Hold at 500F, 2235 psig.
- 5) 6/4/04, 1235. 1MS-228 is shut. Control room log records leakage from IMS-228 as being stopped.
72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> LCO exited. TSAC 3.6.3.C.2 to verify 1MS-228 is shut once per 31 days is entered.
- 6) 6/4/04, 1600. Control room log notes that 1 MS-228 continues to drip slightly.
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