ML20140C581: Difference between revisions

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{{#Wiki_filter:*
{{#Wiki_filter:*
  ,
,
                                                  a
a
  -                                                                                               -
-
                                                April 9,1997
-
        Mr. Done'd Reid
April 9,1997
        Vice President, Operations
Mr. Done'd Reid
        Vermont Yankee Neclear Power Corporation                                                           l
Vice President, Operations
        RD 5, Box 169                                                                                       l
Vermont Yankee Neclear Power Corporation
        Ferry Road                                                                                          I
RD 5, Box 169
                                                                      ~
Brattleboro, Vermont 05301
        Brattleboro, Vermont 05301                                                                         j
~
                                                                                                            i
Ferry Road
        SUBJECT:       NRC INTEGRATED INSPECTION REPORT 50-271/97-02                                       i
j
                      NOTICE OF VIOLATION
i
        Dear Mr. Reid:                                                                                     I
SUBJECT:
                                                                                                            !
NRC INTEGRATED INSPECTION REPORT 50-271/97-02
,      On March 8,1997, the NRC completed an inspection at your Vermont Yankee reactor                     l
i
        facility. The enclosed report presents the results of that inspection.                             )
NOTICE OF VIOLATION
                                                                                                            l
Dear Mr. Reid:
        As discussed in Sectial E1.2 of the enclosed report, a root cause evaluation of the mixing
On March 8,1997, the NRC completed an inspection at your Vermont Yankee reactor
        of electrical power supply neutral and ground wires in the advanced off-gas (AOG) system
,
        had not been completed during the on-site inspection by a representative of the Office of           I
facility. The enclosed report presents the results of that inspection.
        Nuclear Reactor Regulations. The neutral mixing problem and other wiring error problems
l
        appear to be limited to the AOG system, and they do not adversely impact AOG system
As discussed in Sectial E1.2 of the enclosed report, a root cause evaluation of the mixing
        operable. However, the full extent of this wiring control problem has yet to be determined
of electrical power supply neutral and ground wires in the advanced off-gas (AOG) system
        and resolved. Without the completed root cause analysis, we are concerned that the
had not been completed during the on-site inspection by a representative of the Office of
        identified non-safety related neutrals and grounds wiring problem may potentially involve
Nuclear Reactor Regulations. The neutral mixing problem and other wiring error problems
        safety related systems. Upon completion of your stz f's evaluation of this issue, please
appear to be limited to the AOG system, and they do not adversely impact AOG system
        provide us, in writing, your findings, corrective actiorm, and bar,is for assuring that those
operable. However, the full extent of this wiring control problem has yet to be determined
        problems do not adversely impact safety related or important to safety systems. Also, we
and resolved. Without the completed root cause analysis, we are concerned that the
        request that you provide us with a status of resolution of all of the AOG system wiring
identified non-safety related neutrals and grounds wiring problem may potentially involve
        errors and, if not resolved, provide a date when these errors will be corrected.
safety related systems. Upon completion of your stz f's evaluation of this issue, please
        Inspector review of the November 25,1996 event involving the on-line de-energization of
provide us, in writing, your findings, corrective actiorm, and bar,is for assuring that those
        the 480V electrical bus No. 6 for preventive maintenance identified that your staff failed to
problems do not adversely impact safety related or important to safety systems. Also, we
        implement the administrative control requirements for removing power supplies from
request that you provide us with a status of resolution of all of the AOG system wiring
        service. This failure to implement the procedural requirements of Aoministration Procedure
errors and, if not resolved, provide a date when these errors will be corrected.
,      (AP)-0125 and Technical Specification 6.5 is a violation. Of particular concern to us was
Inspector review of the November 25,1996 event involving the on-line de-energization of
        that this evolution was previously performed durin] unit outages and that more rigorous
the 480V electrical bus No. 6 for preventive maintenance identified that your staff failed to
        reviews were not conducted prior to conducting th.s planned activity at power. We viewed
implement the administrative control requirements for removing power supplies from
        the shift supervisor's performance es the last line of dew which failed leading to this
service. This failure to implement the procedural requirements of Aoministration Procedure
        event and the maintenance and planning staff's failurA as more programmatic.
(AP)-0125 and Technical Specification 6.5 is a violation. Of particular concern to us was
        This violation is cited in the enclosed Notice of Violation, and the circumstances
,
        surrounding the violation are described in detailin the enclosed report. Please note that you
that this evolution was previously performed durin] unit outages and that more rigorous
        are required to respond to this letter and should follow the instructions specified in the
reviews were not conducted prior to conducting th.s planned activity at power. We viewed
        enclosed Notice when preparing your response. The NRC will use your response, in part, to
the shift supervisor's performance es the last line of dew
        determine whether further enforcement action is necessary to ensure compliance with             t
which failed leading to this
        regulatory requirements.
event and the maintenance and planning staff's failurA as more programmatic.
      9704170132 970409
This violation is cited in the enclosed Notice of Violation, and the circumstances
                                                                              .                    _
surrounding the violation are described in detailin the enclosed report. Please note that you
                                                                                                    3 ]
are required to respond to this letter and should follow the instructions specified in the
      PDR   ADOCK 05000271
enclosed Notice when preparing your response. The NRC will use your response, in part, to
      G                    PDR                                          gg [gji})g[][{{]{E(\(]3$
determine whether further enforcement action is necessary to ensure compliance with
                                                                                                          ,
t
]
regulatory requirements.
.
_
9704170132 970409
3
PDR
ADOCK 05000271
gg [gji})g[][{{]{E(\\(]3$
G
PDR
,


    .- .,             ..     .   -   .-=   -_   _-     - _. .   - .           . . - - _ _ -     - -
.- .,
  T
..
    Mr. Doncid Reid                                 2
.
  f
-
                                                                                                .
.-=
    In ac,:ordance with 10 CFR 2.790 of the NRC's " Rules of Practices," a copy of this letter
-_
    and the enclosed Notice will be placed in the NRC Public Document Room.
_-
- _. .
-
.
.
. - - _ _ -
-
-
T
Mr. Doncid Reid
2
f
.
In ac,:ordance with 10 CFR 2.790 of the NRC's " Rules of Practices," a copy of this letter
and the enclosed Notice will be placed in the NRC Public Document Room.
;
;
                                                      Sincerely,
Sincerely,
                                                                                                        [
[
                                                      Richard J. Conto, Chief
Richard J. Conto, Chief
Reactor Pro [ects Branch 5
'
'
                                                      Reactor Pro [ects Branch 5
Division of Reactor Projects
                                                      Division of Reactor Projects
,
                                                                                                        ,
Enclosures:
    Enclosures:
1.
    1.   Notice of Violation                                                                           i
Notice of Violation
    2.   NRC Inspection Report 50-271/97-02                                                           ;
i
,                                                                                                       ,
2.
    Docket No. 50-271
NRC Inspection Report 50-271/97-02
    cc w/enci:
;
    R. McCullough, Operating Experience Coordinator - Vermont Yankee
,
    R. Wanczyk, Director, Safety and Regulatory Affairs
,
.  G. Maret, Plant Manager
Docket No. 50-271
    J. Duffy, Licensing Engineer, Vermont Yankee Nuclear Power Corporation
cc w/enci:
    J. Gilroy, Director, Vermont Public interest Research Group, Inc.
R. McCullough, Operating Experience Coordinator - Vermont Yankee
    D. Tefft, Administrator, Bureau of Radiological Health, State of New Hampshire
R. Wanczyk, Director, Safety and Regulatory Affairs
    Chief, Safety Unit, Office of the Attorney General, Commonwealth of
G. Maret, Plant Manager
      Massachusetts
.
    R. Gad, Esquire
J. Duffy, Licensing Engineer, Vermont Yankee Nuclear Power Corporation
    G. Bisbee, Esquire
J. Gilroy, Director, Vermont Public interest Research Group, Inc.
    T. Rapone, Massachusetts Executive Office of Public Safety
D. Tefft, Administrator, Bureau of Radiological Health, State of New Hampshire
    State of New Hampshire, SLO Designee
Chief, Safety Unit, Office of the Attorney General, Commonwealth of
,  State of Vermont, SLO Designee
Massachusetts
    Commonwealth of Massachusetts, SLO Designee
R. Gad, Esquire
                                                                                                  .
G. Bisbee, Esquire
T. Rapone, Massachusetts Executive Office of Public Safety
State of New Hampshire, SLO Designee
State of Vermont, SLO Designee
,
Commonwealth of Massachusetts, SLO Designee
.
4
4
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                                                                          .                             !
.
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                                                                      ~                       . . .         -               ..             . . - - ..
~
      *
. . .
    .
-
    .
..
                      Mr. Donald Reid                                               3
. . - -
                      Distribution w/ encl:
..
                      Region i Docket Room (with concurrences)
*
                      PUBLIC                                                                                                                           l
.
                      Nuclear Safety Information Center (NSIC)
.
!                   NRC Resident inspector
Mr. Donald Reid
                      D. Screnci, PAO (2)
3
;                    R. Conte, DRP
Distribution w/ encl:
                      W. Axelson, DRA
Region i Docket Room (with concurrences)
                      L. Harrison, DRS
PUBLIC
                      D. Beard, DRP
Nuclear Safety Information Center (NSIC)
                      L. Peluso, DRS
!
                      D. Vito, RI, File No. 96-A0128
NRC Resident inspector
D. Screnci, PAO (2)
R. Conte, DRP
;
W. Axelson, DRA
L. Harrison, DRS
D. Beard, DRP
L. Peluso, DRS
D. Vito, RI, File No. 96-A0128
'
'
                      Distribution w/enci (VIA E-MAIL):                                                                                               1
Distribution w/enci (VIA E-MAIL):
                    W. Dean, OEDO
1
$                     V. Rooney, NRR
W. Dean, OEDO
;                     P. Milano, NRR
$
i                     R. Correia, NRR
V. Rooney, NRR
l                     D. Taylor, NRR
;
:                   T. Koshy, NRR
P. Milano, NRR
f                     Inspection Program Branch, NRR (IPAS)
i
R. Correia, NRR
l
D. Taylor, NRR
:
T. Koshy, NRR
f
Inspection Program Branch, NRR (IPAS)
4
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Latest revision as of 17:08, 11 December 2024

Forwards Insp Rept 50-271/97-02 on 970119-0308 & Notice of Violation
ML20140C581
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 04/09/1997
From: Conte R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Reid D
VERMONT YANKEE NUCLEAR POWER CORP.
Shared Package
ML20140C585 List:
References
NUDOCS 9704170132
Download: ML20140C581 (3)
v • d • e


See also: IR 05000271/1997002

Text

{{#Wiki_filter:* , a - - April 9,1997 Mr. Done'd Reid Vice President, Operations Vermont Yankee Neclear Power Corporation RD 5, Box 169 Brattleboro, Vermont 05301 ~ Ferry Road j i SUBJECT: NRC INTEGRATED INSPECTION REPORT 50-271/97-02 i NOTICE OF VIOLATION Dear Mr. Reid: On March 8,1997, the NRC completed an inspection at your Vermont Yankee reactor , facility. The enclosed report presents the results of that inspection. l As discussed in Sectial E1.2 of the enclosed report, a root cause evaluation of the mixing of electrical power supply neutral and ground wires in the advanced off-gas (AOG) system had not been completed during the on-site inspection by a representative of the Office of Nuclear Reactor Regulations. The neutral mixing problem and other wiring error problems appear to be limited to the AOG system, and they do not adversely impact AOG system operable. However, the full extent of this wiring control problem has yet to be determined and resolved. Without the completed root cause analysis, we are concerned that the identified non-safety related neutrals and grounds wiring problem may potentially involve safety related systems. Upon completion of your stz f's evaluation of this issue, please provide us, in writing, your findings, corrective actiorm, and bar,is for assuring that those problems do not adversely impact safety related or important to safety systems. Also, we request that you provide us with a status of resolution of all of the AOG system wiring errors and, if not resolved, provide a date when these errors will be corrected. Inspector review of the November 25,1996 event involving the on-line de-energization of the 480V electrical bus No. 6 for preventive maintenance identified that your staff failed to implement the administrative control requirements for removing power supplies from service. This failure to implement the procedural requirements of Aoministration Procedure (AP)-0125 and Technical Specification 6.5 is a violation. Of particular concern to us was , that this evolution was previously performed durin] unit outages and that more rigorous reviews were not conducted prior to conducting th.s planned activity at power. We viewed the shift supervisor's performance es the last line of dew which failed leading to this event and the maintenance and planning staff's failurA as more programmatic. This violation is cited in the enclosed Notice of Violation, and the circumstances surrounding the violation are described in detailin the enclosed report. Please note that you are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response. The NRC will use your response, in part, to determine whether further enforcement action is necessary to ensure compliance with t ] regulatory requirements. . _ 9704170132 970409 3 PDR ADOCK 05000271 gg [gji})g[][{{]{E(\\(]3$ G PDR ,

.- ., .. . - .-= -_ _- - _. . - . . . - - _ _ - - - T Mr. Doncid Reid 2 f . In ac,:ordance with 10 CFR 2.790 of the NRC's " Rules of Practices," a copy of this letter and the enclosed Notice will be placed in the NRC Public Document Room.

Sincerely, [ Richard J. Conto, Chief Reactor Pro [ects Branch 5 ' Division of Reactor Projects , Enclosures: 1. Notice of Violation i 2. NRC Inspection Report 50-271/97-02

, , Docket No. 50-271 cc w/enci: R. McCullough, Operating Experience Coordinator - Vermont Yankee R. Wanczyk, Director, Safety and Regulatory Affairs G. Maret, Plant Manager . J. Duffy, Licensing Engineer, Vermont Yankee Nuclear Power Corporation J. Gilroy, Director, Vermont Public interest Research Group, Inc. D. Tefft, Administrator, Bureau of Radiological Health, State of New Hampshire Chief, Safety Unit, Office of the Attorney General, Commonwealth of Massachusetts R. Gad, Esquire G. Bisbee, Esquire T. Rapone, Massachusetts Executive Office of Public Safety State of New Hampshire, SLO Designee State of Vermont, SLO Designee , Commonwealth of Massachusetts, SLO Designee . 4

, k . I

~ . . . - .. . . - - ..

. . Mr. Donald Reid 3 Distribution w/ encl: Region i Docket Room (with concurrences) PUBLIC Nuclear Safety Information Center (NSIC) ! NRC Resident inspector D. Screnci, PAO (2) R. Conte, DRP

W. Axelson, DRA L. Harrison, DRS D. Beard, DRP L. Peluso, DRS D. Vito, RI, File No. 96-A0128 ' Distribution w/enci (VIA E-MAIL): 1 W. Dean, OEDO $ V. Rooney, NRR

P. Milano, NRR i R. Correia, NRR l D. Taylor, NRR

T. Koshy, NRR f Inspection Program Branch, NRR (IPAS) 4 i ! 4 i -

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NAME COOK ph7 7 KNUTSpN PELOSQ KOSHY g K CONTE 9 W DATE 04/09/97 I"~~ 04/ /97g 04/ /9N 04/f/97 ,js 04/c)/97 // .] ogr3 CIAL RECORD C gg;j '% $ , 1 _ _ _ _ _ _. _ - }}

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