ML20207G859
| ML20207G859 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 06/04/1999 |
| From: | NRC (Affiliation Not Assigned) |
| To: | |
| Shared Package | |
| ML20207G862 | List: |
| References | |
| NUDOCS 9906140095 | |
| Download: ML20207G859 (2) | |
Text
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REACTOR COOLANT SYSTEM 3/4.4.5 STEAM GENERATORS LIMITING CONDITION FOR OPERATION 3.4.5 Each steam generator shall be OPERABLE.*#
l APPLICABILITY:. MODES 1,2,3 and 4.
ACTION:
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- With one or more steam generators inoperable, restore the inoperable generator (s) to OPERABLE status prior to increasing T, above 200*F.
SURVEILLANCE REQUIREMENTS 4.4.5.0 Each steam generator shall be demonstrated OPERABLE by performance of the following augmented inservice inspection program and the requirement of Specification 4.0.5.
4.4.5.1 Steam Generator Samole Selection and Inspection - Each steam generator shall be determined OPERABLE during shutdown by selecting and inspecting at least the minimum
' number of steam generators specified in Table 4.4-1.
4.4.5.2 Steam Generator Tube Samole Selection and Inspectior)-The steam generator tube minimum sample size, inspection result classification, and the corresponding action required shall be as specified in Table 4.4-2. The inservice inspection of steam generator tubes shall be performed at the frequencies specified in Specification 4.4.5.3 and the inspected tubes shall
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be verified acceptable per the acceptance criteria of Specification 4.4.5.4. The tubes selected for
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each inservice inspection shall include at least 3% of the total number of tubes in all steam
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generators; the tubes selected for these inspections shall be selected on a random basis except:
a.
Where experience in similar plants with similar water chemistry indicates critical areas to be inspected, then at least 50% of the tubes inspected shall be from these critical areas; b.
The first sample of tubes selected for each inservice inspection (subsequent to the preservice inspection) of each steam generator shall include:
1)
All nonplugged tubes that previously had detectable wall penetrations (greater than 20%).
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- Amendment Nos.- 129 and 127 applicable for Units 1 and 2, Cycles 10 and 11 only.
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- - In-situ testing will be performed in accordance with PG&E letter DCL-98-148 dated October 22,1998.
DIABLO CANYON - UNITS 1 & 2 3/4 4-11 Unit 1 - Amendment No.129 Unit 2 - Amendment No.127 9906140095 990604 PDR ADOCK 05000275 P
PDR e
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