ML19259C749
| ML19259C749 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 06/15/1979 |
| From: | Aswell D LOUISIANA POWER & LIGHT CO. |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| LPL-11386, NUDOCS 7908150111 | |
| Download: ML19259C749 (2) | |
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!a D *Sdeat-Dat" atx e L?L 11386 Q-3-A20.03.13 3-A1.01.04 Mr. Karl V. Seyf rit, Director Region IV U. S. Nuclear Regulatory Cctrission Office of Inrpection and Enforcement 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76012 SUBJECI: Waterford 3 SES Decket No. 50-382 IE Bulletin 79-09
Dear Mr. Seyfrit:
We have reviewed the subject bulletin and our response is as follows:
1.
Cc=bustion Engineering (CE) the NSSS supplier for Waterford 3 has notified us that the General Electric type AK-2 Circuit 3reakers are installed in safety related ecuipment at Waterford 3.
2.
The AK-2 Circuit 3:eakers are installed in the Reactor Trip Circuit Breaker Switchgear i C75) at Waterford 3.
CE recc=cends that the undervoltage trip device linkage be inspected and lubricated as indicated in the GE Service Advice Letter Sc. 175 (CPDD) 9.3 dated April 2,1979.
CE is evaluating alternate methods of testing the undervel: age trip circuits.
When this evaluation is cc plete, thev will notif; us of recc -
tended hardaare changes and/cr changes in testing procedures which will yield a higher confidence in the operatica of the shunt and undervoltage trip circuits.
3.
We are presently in the process of generating raintenance procedures for Waterford 3's Preventative Maintenance Progrca.
These procedures and the Preventative Maintenance Progra are being generated in the order of syste=s release to our Startup Group. Therefore, maintenance procedures for the Control Ele-cent Drive Syste - Reactor Trip Switchgear are presently scheduled for July, 1930.
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9 Mr. K. V. Seyfrit Page 2 June 15, 1979 Maintenance Procedures are generated with the use of the vendor's instruction canuals for guidance.
In the generation of the raintenance procedures for the GE type AK-2 Circuit Breckers, the CE instruction nanual will be used for gui-dance and also the reconrended corrective action described in GE Service Advice Le t te r ':o. 175 (CPDD) 9.3 dated April 2, 1979 vill be incorporated.
The maintenance to be perforced will be done by qualified personnel.
If you have any questiens, please advise.
Yours very truly, d'
_ f;n v Ab y
D. L. Aswell DLA/JEH/dd cc:
U. S. Nuclear Regulatory Cornission Offica of Inspection and Enforcenent Division of Reactor Operation Inspection Washington, D. C. 20555 li6E83