ML20058L536
| ML20058L536 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 08/01/1990 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Deddens J GULF STATES UTILITIES CO. |
| Shared Package | |
| ML20058L543 | List: |
| References | |
| NUDOCS 9008070281 | |
| Download: ML20058L536 (4) | |
See also: IR 05000458/1990200
Text
,
.
_
_ _ _ . _ . _ _ .
,
4 .
k
LN61TED STATES
>-
- 1
NUCLEAR REGULATORY COMMISSION
o
s
!
IIAAHlheTON D.C.30006
!
,
k.....
.
August 1, 1990
Docket No. 50-458
i
Mr. James C. Deddens
' Senior.VicePresident(RBNG)
l
Gulf States Utilities
P.O. Box 220
St. Francisv111e, Louisiana 70775
i
L
Dear Mr. Deddens:
SUBJECT: ELECTRICAL DISTRIBUTION SYSTEM FUNCTIONAL
-
INSPECTIONATRIVERBEND(50-458/90-200)
.
We are forwarding the report of a special electrical distribution system
,
functional inspection (EDSFI) perforeed May 21 through June 22, 1990, involving
J
-
activities authorized by Operating License No. NPF-47 for the River Bend
Station. The Nuclear Regulatory Comission (NRC) staff from the Special
Inspection Branch of the Office of Nuclear Reactor Regulation conducted the
inspection. An exit sweting was held on June 22, 1990, during which we cis-
cussed the team's findings with you and other members of your staff.
The areas examined during the inspection are discussed in the enclosed copy of
our inspection report. The inspection team assessed the desi
implenentation
andtechnicalsupportoftheelectricaldistributionsystem(gn,). The inspec-
EDS
tion consisted of a selective review of EDS design calculations, relevant
procedures, representative records, installed equipment in the field, and
interviews with engineering anc technical support staff.
1
The team considered the design and implementation of the EDS at River Band to
j
be generally acceptable. Several strengths were identified in the areas of
j
retrievability of cocuments, conservatism of engineering assumptions and
,
competence of technical support staff. However, several findings were
identified with regard to inadequate design reviews for certain conditions of
plant operation ano for po',tulated failure:; of certain EDS equipment. For
example, potential motor failures curing fast bus transfers and surge protec-
i
tion for some load center transformers had not been adequately evaluated, and
protection and coordination studies for certain control circuits had not been
,
I
performed. These and other deficiencies would likely have been identified if
L
Gulf States had done a critical design review of the calculations supplief by
l
the architect-engineer.
It is our understanding that you will complete tie
analyses for the identified findings and will revise the appropriate documents
by March 1991.
?
The inspection findings indicated that certain activities were apparently not
conducted in full compliance with NRC requirenents. The unresolved items
described in the enclosed inspection report will be reviewed by the Region IV
of fice for any enforcement action. Any subsequent actions will be taken by
,
Region IV.
f
b
9008070231 900802
ADOCK 05000458
ll
"
0
i
l
.
'
.
..
,
August 1. 1990
,
James C. Deddens
2-
Please note the open items identified in the inspection report because these
matters may be pursued during future inspections.
In accordance with 10 CFR 2.790 of the Comission's regulations, a copy of this
letter and its enclosures will be placed in the NRC Public Document Room.
Na response is required to this letter. Should you have any questions concern-
ing this inspection, we will be pleased to discuss them with you.
Sincerely,
de
s
th
i
c
-
Division of Reactor Proj ts III/1V/V
and Special Projects
Office of Nuclear Reactor Regulation
Enclosure:
Inspection Report 50-458/90 200
cc: See page 3
.
..
August 1, 1990
.
.
Mr. James C. Doddens
-3
Gulf States Utilities
cc:
Mark Wetterhahn, Esq.
Ms. H. Anne Plettinger
Bishop, Cook, Purcell & Reynolds
3456 Villa Rose Drive
1401 L Street, N.W.
Baton Rouge, Louisiana 70806
Washington, D.C.
20005
Mr. Les England
Director - Nuclear Licensing
Gulf States Utilities Company
P.O. Box 220
St. Francisville, Louisiana 70775
Mr. Philip G. Harris
.
Cajun Electric Power Coopage Inc.
10719 Airline Highway
P.O. Box 15540
Baton Rouge, Louisiana 70895
Senior Resident Inspector
P.O. Box 1051
St. Francisville, Louisiana 70775
President of West Feliciana
Police Jury
P.O. Box 1921
St. Francisville Louisiana 70775
Regional Administrator, Region IV
U.S. Nuclear Regulatory Commission
611 Ryan Plaza Drive, Suite 1000
Arlington, Texas 76011
Mr. J. E. Booker
Manager-Nuclear Industry Relations
P.O. Box 2951
Beaumont, Texas 77704
Mr. William H. Spell, Administrator
Nuclear Energy Division
Office of Environmental Affairs
P.O. Box 14690
Baton Rouge, Louisiana 70898
Mr. J. David McNeill, III
William G. Davis Esq.
Department of Justice
Attorney General's Office
P.O. Box 94095
Baton Rouge, Louisiana 70804-9095
.,'
.
,
4
Mr. J. C. Doddens
.4
August 1,1990
l
Distribution:
poca4t: File 60-458
RSIB R/F
DRIS R/F
TEMurley, NRR
FJMiraglia, NRR
i
WTRussell, NRR
JGPartlow, NRR
BKGrimes, NRR
BDLiaw, NRR
_
WDLanning, NRR
JEKonklin, NRR
ASGautas, NRR
RLSpessard, AEOD
DMCrutchfield, NRR
i
ESPeyton, NRR
l
CMAbbate, NRR
l
OPChopra, NRR
TOMcKernon, RIV
RBVickrey, RIV
EJFord, SRI River Bend
Regional Administrators
'
Regional Division Directors
Inspection Team
LPDR
ACRS(3)
i
OGC(3)
.'
15 Distribution.
'
.
3
'
,
h
l
I
000043
L
u