ML17304B066
| ML17304B066 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 03/07/1989 |
| From: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Karner D ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| References | |
| TAC-72255, NUDOCS 8903150026 | |
| Download: ML17304B066 (6) | |
Text
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REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:8903150026 DOC.DATE: 89/03/07 NOTARIZED: NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear'Station, Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 AUTH.NAME AUTHOR AFFILIATION MARTIN,J.B.
Region 5, Ofc of the Director RECIP.NAME RECIPIENT AFFILIATION KARNER,D.B.
Arizona Nuclear Power Project (formerly Arizona Public ServR
SUBJECT:
Confirmation of action ltr re action util intends to take as result of 890303
& 05 reactor trips.
DISTRIBUTION CODE:
IE35D COPIES RECEIVED:LTR U ENCL SIZE-TITLE: Emergency Preparedness-Appraisal/Confirmatory ction Ltr/Exercise Rep S NOTES:Standardized plant.
05000528 Standardized plant.
05000529/
RECIPIENT ID CODE/NAME PD5 PD DAVIS,M INTERNAL: ARM/DAF/LFMB LRB12 02 GN2/DRSS/EPRPB EXTERNAL: LPDR NSIC NOTES:
COPIES LTTR ENCL 1
1 1
1 1
0 1
1 1
1 1
1 1
1 1
1 1
1 RECIPIENT ID CODE/NAME CHAN,T NRR/DREP/EPB 10 NUDOCS-ABSTRACT RGN5 FILE 01 NRC PDR COPIES LTTR ENCL 1
1 1
1 1
1 1
1 A
NOIE IO ALL "RIDS" RECIPIENIS'IZASE HELP US 'IO REDUCE HASTE.'XACT 'lHE DOCOMEPI'OhKEK)L DESK, RXK Pl-37 (EXT. 20079)
IO ELBGBQZE YOUR SAME FRY DISTRZKTZIGN LISTS FOR DOCUMENIS YOU DGN~T NEEDt TOTAL NUMBER OF COPIES REQUIRED:
LTTR 14 ENCL 13
ll 0
+( 1989 CONFIRMATORY ACTION LETTER Docket No. 50-528; 50-529 License No. NPF-41; NPF-51 Arizona Nuclear Power Project P.O.
Box 52034 Phoenix, Arizona 85071-2034 Attention:
Mr. Donald B. Karner Executive Vice President Gentlemen:
The purpose of this letter is to confirm our understanding of the actions you intend to take, 1') at Units 1 and 2 regarding the Unit 3 reactor trip which occurred on March 3, 1989',
and 2) at Uni.t,l regarding the reactor trip which occurred on March 5, 1989.
Based on the discussions
'held between Mr. A. E.
Chaffee, of my staff, and you, it is our understanding that your actions will include,, but will not necessarily be limited to, the,following:
1.
You will incorporate the central lessons learned from the'March 3, 1989, Unusual Event at Palo Verde 3 into your activities at Unit 1 prior to restart of Unit 1'.
This wil] include confirmation that the atmospheric dump valves, emergency lighting, and steam bypass control system are operable.
Other lessons learned will be incorporated prior to restart to the extent they are reasonably understood.
'ikewise, lessons learned from the Unit 3 event will be applied to Unit 2 expeditiously, commensurate with the safety significance of the deficiency.
2.
You will conduct a thorough investigation and obtain a full understanding of the Unit 1 March 5, 1989, reactor trip and define the pre-restart and post-restart corrective actions needed as a result of this event.
3.
4, You will develop a plan. for investigation of the Unit 1 NAN-S02A circuit breaker failure which occurred on March 5, 1989, and present it to the NRC prior to commencing troubleshooting.
This plan will include provisions for prior notice to the. NRC of your intent to release the circuit breaker from quarantine for troubleshooting or other essential.
purposes.
This notice will provide sufficient time for NRC representatives to arrange-for review of your specific troubleshooting procedures and to be present at the job site.
None of the above shall preclude those'ANPP actions needed to maintain and ensure plant safety.
You will brief the NRC upon completion of your investigation and will not restart (enter Mode 2) the Palo, Verde Unit 1 facility prior to receiving NRC concurrence.
85'0 1 ~0026 8 10~07 PDI~
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If our understanding concerning your proposed actions, as summarized above, is not correct, you should promptly notify this office in writing.
Sincerely, cc:
J. Taylor, DEDO T. Murley, NRR E. Jordan, AEOD G. Knighton, NRR G. Holahan, NRR M..Virgilio, NRR Document Control Desk (RIDS) bcc:
Project Inspector Resident Inspector docket file G.
Cook B. Faulkenberry J. Mtartin T. Foley, NRR J. Zollicoffer M. Smith J.
B. Martin Regional Administrator CONne~CES=
LMiller/nw RZimmerman 3/'7/89 3/Q/89 AChaffee 3/
/89 JMartin 3/i-. /89 REQJfST COPY EST COPY gEg ST COPY REQUEST COPY REQUEST PY
, YES 2/
NO YES /
NO (YES /
NO YES /
NO YES /
NO
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NO
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