ML050670481
| ML050670481 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 02/24/2005 |
| From: | Jamil D Duke Power Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| BL-04-001 | |
| Download: ML050670481 (4) | |
Text
_Duke
- HPowere A Duke Energy Company D.M. JAMIL Vice President Duke Power Catawba Nuclear Station 4800 Concord Rd. / CN01 VP York, SC 29745-9635 803 831 4251 803 831 3221 fax February 24, 2005 U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 ATTENTION:
Document Control Desk
Subject:
Reference:
Duke Energy Corporation Catawba Nuclear Station Unit 2 Docket No. 50-414 Response to NRC.Bulletin 2004-01: Inspection of Alloy 82/182/600 Materials Used in the Fabrication of Pressurizer Penetrations and Steam Space Piping Connections at Pressurized-Water Reactors Letter from Duke Energy Corporation to the NRC, same subject, dated July 27, 2004 NRC Bulletin 2004-01, "Inspection of Alloy 82/182/600 Materials Used in the Fabrication of Pressurizer Penetrations and Steam Space Piping Connections at Pressurized-Water Reactors," required that within 60 days of plant restart following the next inspection of Alloy 82/182/600 pressurizer penetrations and steam space piping connections, submit to the NRC a statement indicating that the inspections described in the response to item (1)(c) of the bulletin were completed and a description of the as-found condition of the pressurizer shell, any findings of relevant indications of through-wall leakage, followup NDE performed to characterize flaws in leaking penetrations or steam space piping connections, a summary of all relevant indications found by NDE, a summary of the disposition of any findings of boric acid, and any corrective actions taken and/or repairs made as result of the indications found.
During the Catawba Unit 2 Refueling Outage (2EOC13),
inspections described in the response to item (1)(c) of the bulletin were completed.
A 100% bare metal visual (BMV)
(10 www. dukepower. corn
U.S. NRC February 24, 2005 Page 2 examination was performed on all Alloy 82/182/600 weld locations on the pressurizer.
These BMV inspections were performed by VT-2 qualified inspectors.
The inspection scope included the following locations:
(1) pressurizer surge line nozzle weld (3) pressurizer safety valve nozzle welds (1) pressurizer spray nozzle weld (1) pressurizer PORV nozzle weld (1) pressurizer manway There was no evidence of leakage or boric acid deposits observed at any of these locations.
There was no wastage identified on the external surface of the pressurizer vessel head.
There are no NRC commitments contained in this letter.
Inquiries on this matter should be directed to A. Jones-Young at (803) 831-3051.
Very truly yours, D.M. Jamil Site Vice President
U.S. NRC February 24, 2005 Page 3 D. M. Jamil, being duly sworn, affirms that he is the person who subscribed his name to the foregoing statement, and that all matters and facts set forth herein are true and correct to the best of his knowledge.
Subscribed and sworn to me:
e 4
, Notary Public My commission expires:
SEAL
-aI U.S. NRC February 24, 2005 Page 4 xc:
W. D. Travers U. S. Nuclear Regulatory Commission Regional Administrator, Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, GA 30303 S. E. Peters NRC Project Manager U. S. Nuclear Regulatory Commission Mail Stop 0-8 H12 Washington, DC 20555-0001 E. F. Guthrie Senior Resident Inspector U. S. Nuclear Regulatory Commission Catawba Nuclear Site H. J. Porter Division of Radioactive Waste Management South Carolina Bureau of Land and Waste Management 2600 Bull Street Columbia, SC 29201