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| number = ML20070A609 | | number = ML20070A609 | ||
| issue date = 11/01/1982 | | issue date = 11/01/1982 | ||
| title = Provides Final Rept on Resolution of Issues Re IE Bulletins 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps & 80-23, Failures of Solenoid Valves Mfg by Valcor Engineering Corp | | title = Provides Final Rept on Resolution of Issues Re IE Bulletins 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps & 80-23, Failures of Solenoid Valves Mfg by Valcor Engineering Corp | ||
| author name = Spencer W | | author name = Spencer W | ||
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) | | author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) | ||
| Line 18: | Line 18: | ||
=Text= | =Text= | ||
{{#Wiki_filter:F s | {{#Wiki_filter:F s | ||
12 > | 12 > | ||
h VrHorNiAIELEUiHIC AND POWER COMPANY Ricn wonn, VIqGIN Y A 20261 ny NOV B | + | ||
h VrHorNiAIELEUiHIC AND POWER COMPANY Ricn wonn, VIqGIN Y A 20261 ny NOV B e3: 0 Wis.aJett C. SPENCE N November 1, 1982 v.c. r...... | |||
Mr. James P. O'Reilly Serial No. 605 Regional Administrator PSE&C/CGC:bw U.S. Nuclear Regulatory Connission Region II 101 Marietta Street, Suite 3100 Docket Nos. 50-40f Atlanta, Georgia 30303 | |||
==Dear Mr. O'Reilly:== | ==Dear Mr. O'Reilly:== | ||
POSSIBLE MALFUNCTION OF NAMC0 MODEL EA180 LIMIT SWITCHES AT Ei EVATED TEMPERATURES, IE BULLETIN 79-28 FAILURES OF SOLEN 0ID VALVES MANUFACTURED CY YALCOR ENGINEERING CORPORATION, IE BULLETIN 80-23 NORTH ANNA UNIT 3 In our letter Serial No. 508, dated September 1,1982, we indicated that we planned to submit final reports on the captioned bulletins by October 31, 1982. The information provided below resolves the issues left open by that letter; this, therefore, is our final report for these two bulletins. | POSSIBLE MALFUNCTION OF NAMC0 MODEL EA180 LIMIT SWITCHES AT Ei EVATED TEMPERATURES, IE BULLETIN 79-28 FAILURES OF SOLEN 0ID VALVES MANUFACTURED CY YALCOR ENGINEERING CORPORATION, IE BULLETIN 80-23 NORTH ANNA UNIT 3 In our letter Serial No. 508, dated September 1,1982, we indicated that we planned to submit final reports on the captioned bulletins by October 31, 1982. The information provided below resolves the issues left open by that letter; this, therefore, is our final report for these two bulletins. | ||
IE BULLETIN 79-28 B&W has confirmed that they have not supplied any NAMC0 EA180 limit switches for North Anna Unit 4 valves as well as Unit 3 valves. | IE BULLETIN 79-28 B&W has confirmed that they have not supplied any NAMC0 EA180 limit switches for North Anna Unit 4 valves as well as Unit 3 valves. | ||
| Line 28: | Line 29: | ||
IE BULLETIN 80-23 B&W has confirmed that they have not supplied any solenoid valves manufactured by Valcor for North Anna Unit 4 as well as Unit 3. | IE BULLETIN 80-23 B&W has confirmed that they have not supplied any solenoid valves manufactured by Valcor for North Anna Unit 4 as well as Unit 3. | ||
S&W has detennined that the suspect solenoid valves (Part Nos. V70900-21-1 and V70900-21-3) have not been supplied by any " packaged" equipment vendors for North Anna Units 3 and 4. | S&W has detennined that the suspect solenoid valves (Part Nos. V70900-21-1 and V70900-21-3) have not been supplied by any " packaged" equipment vendors for North Anna Units 3 and 4. | ||
8212090305 821101 PDR ADOCK 05000404 | 8212090305 821101 PDR ADOCK 05000404 ZESI s | ||
s | |||
VamonwrA EI.ECTE C AND Powra COMPANY TO | VamonwrA EI.ECTE C AND Powra COMPANY TO Mr. O'Reilly 2 | ||
We have taken steps to ensure that the faulty equipment, described in the captioned bulletins, is not, in the future, specified or purchased for use on North Anna Unit 3. | |||
If there are any questions, please advise. | If there are any questions, please advise. | ||
Very truly yours, f | Very truly yours, f | ||
sca / | sca / | ||
a W. C Spencer cc: Mr. Thomas H. Novak Division of Licensing f | a W. C Spencer cc: Mr. Thomas H. Novak Division of Licensing f | ||
._}} | |||
Latest revision as of 10:08, 16 December 2024
| ML20070A609 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 11/01/1982 |
| From: | Spencer W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-SSINS-6820 605, IEB-79-28, IEB-80-23, NUDOCS 8212090305 | |
| Download: ML20070A609 (2) | |
Text
F s
12 >
+
h VrHorNiAIELEUiHIC AND POWER COMPANY Ricn wonn, VIqGIN Y A 20261 ny NOV B e3: 0 Wis.aJett C. SPENCE N November 1, 1982 v.c. r......
Mr. James P. O'Reilly Serial No. 605 Regional Administrator PSE&C/CGC:bw U.S. Nuclear Regulatory Connission Region II 101 Marietta Street, Suite 3100 Docket Nos.50-40f Atlanta, Georgia 30303
Dear Mr. O'Reilly:
POSSIBLE MALFUNCTION OF NAMC0 MODEL EA180 LIMIT SWITCHES AT Ei EVATED TEMPERATURES, IE BULLETIN 79-28 FAILURES OF SOLEN 0ID VALVES MANUFACTURED CY YALCOR ENGINEERING CORPORATION, IE BULLETIN 80-23 NORTH ANNA UNIT 3 In our letter Serial No. 508, dated September 1,1982, we indicated that we planned to submit final reports on the captioned bulletins by October 31, 1982. The information provided below resolves the issues left open by that letter; this, therefore, is our final report for these two bulletins.
IE BULLETIN 79-28 B&W has confirmed that they have not supplied any NAMC0 EA180 limit switches for North Anna Unit 4 valves as well as Unit 3 valves.
S&W has determined that the suspect limit switches have not been supplied by any " packaged" equipment vendors for North Anna Units 3 and 4.
IE BULLETIN 80-23 B&W has confirmed that they have not supplied any solenoid valves manufactured by Valcor for North Anna Unit 4 as well as Unit 3.
S&W has detennined that the suspect solenoid valves (Part Nos. V70900-21-1 and V70900-21-3) have not been supplied by any " packaged" equipment vendors for North Anna Units 3 and 4.
8212090305 821101 PDR ADOCK 05000404 ZESI s
VamonwrA EI.ECTE C AND Powra COMPANY TO Mr. O'Reilly 2
We have taken steps to ensure that the faulty equipment, described in the captioned bulletins, is not, in the future, specified or purchased for use on North Anna Unit 3.
If there are any questions, please advise.
Very truly yours, f
sca /
a W. C Spencer cc: Mr. Thomas H. Novak Division of Licensing f
._