NOC-AE-03001658, Supplement 1 to Proposed Emergency Change to Technical Specification 3.8.1.1, Note 12
| ML033640201 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 12/27/2003 |
| From: | Parkey G South Texas |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NOC-AE-03001658, STI: 31683107 | |
| Download: ML033640201 (12) | |
Text
December 27, 2003 NOC-AE-03001658 10CFR50.90 U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852 South Texas Project Unit 2 Docket No. STN 50-499 Supplement 1 to Proposed Emergency Change to Technical Specification 3.8.1.1 Note 12
Reference:
- 1. Letter from G. L. Parkey to NRC Document Control Desk dated December 27, 2003, Proposed Emergency Change to Technical Specification 3.8.1.1 Note 12 (NOC-AE-03001657)
In the referenced letter, STP Nuclear Operating Company (STPNOC) submitted a proposed emergency amendment to the STP Unit 2 Operating License NPF-80. The proposed changes to the Technical Specifications (TS) revised TS 3.8.1, AC Sources - Operating, extending the allowed outage time (AOT) for Unit 2 Standby Diesel Generator (SDG) 22 from 21 days to 113 days.
This letter responds to a request for additional information regarding the Non-Destructive Examination (NDE) technique, Manual Phased Array Examination, used on both Unit 1 and Unit 2 SDGs connecting rod assemblies. Attachment 1 provides close-up photos of the calibration standard used for this NDE process.
If there are any questions regarding this response, please contact Mr. Michael Lashley at (361) 972-7523.
3001658(Supplement to SDG-22 92 day EAOT) STI: 31683107
NOC-AE-03001658 Page 3 cc:
(paper copy) (electronic copy)
Bruce S. Mallett A. H. Gutterman, Esquire Regional Administrator, Region IV Morgan, Lewis & Bockius LLP U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 L. D. Blaylock Arlington, Texas 76011-8064 City Public Service U. S. Nuclear Regulatory Commission David H. Jaffe Attention: Document Control Desk U. S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike R. L. Balcom Rockville, MD 20852 Texas Genco, LP Richard A. Ratliff A. Ramirez Bureau of Radiation Control City of Austin Texas Department of Health 1100 West 49th Street C. A. Johnson Austin, TX 78756-3189 AEP Texas Central Company Jeffrey Cruz Jon C. Wood U. S. Nuclear Regulatory Commission Matthews & Branscomb P. O. Box 289, Mail Code: MN116 Wadsworth, TX 77483 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704
NOC-AE-03001658 Attachment 1 Page 1 of 9 ATTACHMENT 1 Manual Phased Array Examination Photos
NOC-AE-03001658 Attachment 1 Page 2 of 9 Fig 1. Overview of calibration standard cut from #8
NOC-AE-03001658 Attachment 1 Page 3 of 9 Fig 2. Close-up of calibration standard EDM notch
NOC-AE-03001658 Attachment 1 Page 4 of 9 Fig 3. Calibration standard showing scanning surface of transducer
NOC-AE-03001658 Attachment 1 Page 5 of 9 Fig 4. Side-view of calibration standard showing transducer
NOC-AE-03001658 Attachment 1 Page 6 of 9 Fig 5. Side-view showing location of EDM notch
NOC-AE-03001658 Attachment 1 Page 7 of 9 Fig 6. Close-up of side-view showing minimum master rod ligament and location of EDM notch (yellow line is just to show orientation and not depth)
NOC-AE-03001658 Attachment 1 Page 8 of 9 Fig 7. Close-up of side-view showing approximate location of crack on
- 9 (black line) and location of EDM notch (yellow line)
NOC-AE-03001658 Attachment 1 Page 9 of 9 Fig 8. Field inspection