ML18139A888
| ML18139A888 | |
| Person / Time | |
|---|---|
| Site: | Surry, North Anna  |
| Issue date: | 12/04/1980 |
| From: | Sylvia B VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 929, IEB-80-23, NUDOCS 8012110543 | |
| Download: ML18139A888 (3) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHHOND,VIHGINIA 23261 December 4, 1980 Mr. James P. O'Reilly, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
Serial No. 929 NO/RMT:ms Docket Nos. 50-.280 50-281 50-338 50-339 License Nos. DPR-32 DPR-37 NPF-4 NPF-7
SUBJECT:
I.E. BULLETIN 80-23 This is in response to I.E.Bulletin 80-23, "Failures of Solenoid Valves Manufactured by Valcor Engineering Corporation."
Our responses for Surry Power Station Unit Nos. 1 and 2 and North Anna Power Station Unit Nos. 1 and 2 are attached.
(A' l.LJ u*-
~--
Very truly yours,
~
B. R. Sylvia Manager - Nuclear fr}
. Operations and Maintenance CE:i AttB'chment::.:*
8<
C*
all;.*'P"-,
cc:
Mr. Steven A. Varga, Chief Operating Reactors Branch No. 1 Division of Licensing Mr. Robert A. Clark, Chief Operating Reactors Branch No. 3 Division of Licensing Hr. B. Joe Youngblood, Ch-ief*--?
Licensing Branch No. 1 Division of Licensing S't.3
- ~- "~..
...-.... ~* ** ~**.~-,, ;i;r<*-:1,<"'r:l;a,"":",I,.
!"""I",,,-*,
J e
e NORTH ANNA POWER STATION I.E. BULLETIN NO. 80-23:
"FAILURES OF SOLENOID VALVES MANUFACTURED BY VALCOR ENGINEERING CORPORATION" Attachment Page 1 The following documents were reviewed in order to determine if the subject Valcor valves as listed in the I.E.Bulletin 80-23 were used in North Anna Units 1 and 2.
Units 1 and 2 NAPS Instrumentation Loop Diagrams Valve purchase requisitions Stone & Webster Engineering Corporation Report - 431 Unit 1 I.E. Bulletin 79-0lB - 45 and 90 day review.
The conclusions obtained from this review indicated that only two (2) Valcor valves existed for each unit, the nitrogen supply valve for each pressurizer power operated relief valve (SOV-1456-3, 1455C-3, 2456-3, and 2455C-3).
Those valves were inspected and found not to have the part number cited in the Bulletin.
No other valves manufactured by Valcor were found at the station.
An estimated sixteen manhours were expended to conduct this review.
e SURRY POWER STATION FAILURE OF SOLENOID VALVES MANUFACTURED BY VALCOR ENGINEERING COMPANY INSPECTION ENFORCEMENT BULLETIN 80-23 Attachment Page 2 It has been determined, by a system review, that Surry Power Station does not have installed, or in stock, any solenoid valves of the type described by Inspection Enforcement Bulletin 80-23.
An estimated five manhours were expended to conduct this review.