ML17304B321
| ML17304B321 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 07/13/1989 |
| From: | Zimmerman R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Conway W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| References | |
| GL-88-17, NUDOCS 8907180505 | |
| Download: ML17304B321 (4) | |
See also: IR 05000528/1989015
Text
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ESSION NBR:8907180505
DOC.DATE- 89/07/13
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ACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi
05000528
STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi
05000529
STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi
05000530
=AUTH.NAME
AUTHOR AFFILIATION
ZIMMERMAN,R.P.
Region 5, Ofc of the Direc'tor
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RECIP.NAME
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RECIPXENT AFFILIATION
CONWAY,W.F.
Arizona Public Service
Co. (formerly Arizona Nuclear Power
SUBJECT: Ack receipt of 890626 ltr informing NRC of steps
taken to
correct violations in Insp Repts
50-528,529
& 530/89-16.
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, UNITED STATES
NUCLEAR REGULATORY COMM1SS)ON
REGION V
1450 MARIALANE,SUITE 210
WALNUTCREEK, CALIFORNIA94596
JUL 13
198g
Docket Nos. 50-528, 50-529,
50-530
Arizona Nuclear Power Project
P. 0. Box 52034
Phoenix, Arizona
85072-2034
Attention:
Mr. W. F.
Conway
Executive Vice President
Gentlemen:
Thank you for your letter of June
26,
1989, in response
to our Notice of
Violation and Inspection
Report No. 50-528/89-16,
50-529/89-16
and
50-530/89-16,
dated
May 26, 1989, informing us of the steps
you have taken to
correct the items which we brought to your attention.
Paragraph A.I.IIIof
your response
states
that
an incident investigation of the problems
encountered
with mid-loop operation at Unit 3 is in progress.
We request
that you provide's the results of your investigation
and your planned
corrective actions, following the completion of your investigation.
As
discussed
between
Mr. S. Richards of my staff and Mr. T. Shriver of your
staff,
we understand
that your investigation will be completed
by August 30,
1989.
Our Inspection
Report 50-528/89-16
and the Office of Nuclear Reactor
Regulation letter
(Chan to Karner) dated
May 5, 1989, which addressed
your
response
"Loss of Decay Heat Removal," both have
questioned
whether you have thoroughly reviewed
and addressed
the issue of
decay heat
removal during mid-loop reactor coolant system operation.
As
stated
in Inspection
Report 50-528/89-16,
paragraph
12,
we understand
that you
are reassessing
the actions
taken in response
to Generic Letter 88-17 and will
complete this reassessment
and appropriately brief management,
engineering,
and operations
personnel,
prior to any further mid-loop operations with fuel
in the reactor vessel.
We want to again
reemphasize
the importance
the
NRC
places
in being properly prepared for the conduct of mid-loop operations.
Your actions regarding
the above issues will be reviewed during a future
inspection.
Your cooperation with us is appreciated.
Sincerely,
R. P.
Zs
erman, Acting Director
Division of Reactor Safety
and Projects
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