ML041760156
| ML041760156 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 06/23/2004 |
| From: | NRC/NRR/DLPM |
| To: | |
| References | |
| TAC MC1260 | |
| Download: ML041760156 (1) | |
Text
Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.7 Steam Generator (SG) Tube Surveillance Program (continued)
- 9.
Cold-Leg Tube Examination is an examination of the cold-leg side tube length. This shall include the tube length between the top support of the cold leg and the face of the cold-leg tube sheet.
- b.
Extent and Frequency of Examination
- 1.
Steam generator examinations shall be conducted not less than 12 months nor later than twenty four calendar months after the previous examination.
- 1
- 2.
Scheduled examinations shall include each of the four steam generators in service.
- 3.
Unscheduled steam generator examinations shall be required in the event there is a primary to secondary leak exceeding technical specifications, a seismic occurrence greater than an operating basis earthquake, a loss-of-coolant accident requiring actuation of engineered safeguards, or a major steamline or feedwater line break.
- 4.
Unscheduled examinations may include only the steam generator(s) affected by the leak or other occurrence.
- c.
Basic Sample Selection and Examination
- 1.
At least 12% of the tubes in each steam generator to be examined shall be subjected to a hot-leg examination.
- 2.
At least 25% of the tubes inspected in Technical Specification 5.5.7.c.1 above shall be subjected to a cold-leg examination.
- 3.
Tubes selected for examination shall include, but not be limited to, tubes in areas of the tube bundle in which degradation has been reported, either at Indian Point 2 in prior examinations, or at other utilities with similar steam generators.
- 4.
Examination shall be by eddy current techniques as specified by the steam generator examination program submitted to the NRC in accordance with Technical Specification 5.5.7. In all cases, a probe with at least a 610-mil diameter shall be used.
- Except that the surveillance related to the steam generator tube inspection due no later than November 17, 2004, may be deferred until June 17, 2006.
INDIAN POINT 2 5.5 - 7 Amendment No. 239