ML19339A324
| ML19339A324 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 10/24/1980 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NCR-EEB-8003, NCR-SQN-EEB-800, NUDOCS 8011030590 | |
| Download: ML19339A324 (1) | |
Text
,
~ENNESSEE V ALLEY AUTHCP ' ' -
cs e w,v w - w,:..e a m 400 Chestnut Street Tower II
~bd October 24, 1980 Mr. James. O'Reilly, Directer Office of spectica snd Enforcement U.S. Nuclear egulatory Comission Regica II - Su te 3100 101 Harietta Str et Atlanta, Georgia 0303
Dear Mr. O'Reilly:
SECUOYAH IiUCLEAR PLANT UNIT 2 - ENVIRONMENTAL QUALIFICATION OF CLASS IE INSTRUMEffr3 IN THE VALVE TCOM - NCR'S EEB 8003 AND SCN EEB 8004 -
'0URTH INTERIM REPORT The subject deficiency una initially reported to NRC-0IE Inspector M. Thomas on April 7,1980, in accordance with 10 CFR 50.55(e). Interim reports were submitted on May 7, July 7, and September 12, 1980. We expect to submit our next report by December 11, 1980. The following inferma-tien revises our third interim report uhich contained some erroneous informaticn.
The steam generator pressure transmitters (total of six) will be replaced with transmitters which have been qualified for operation in the expected environment. The pressure switches for flow to auxiliary feed pump turbine will be repaired to upgrade the qualificaticn to meet the expected environ-ment. The level solenoid valves for flow to steam generators 1 and 4 from the turbine-driven auxiliary feedwater pump (total of two) will be replaced with qualified solenoid valves. TVA's evaluatien of other instruments in the valve room is still ongoing.
If you have any questions, please get in touch with D. L. Lambert at j
FTS 857-2581.
Very truly yours, TENNESSEE VALLEY AUTHORITY L. H. Mills, Manager Nuclear Regulation and Safety cc:
Mr. Victor Stello, Director Office of Inapeotien and En creement U.S. Nuclear Regulatory Comissien d
Washington, DC 20555
$ d I
8enoso70