ML20206N438
| ML20206N438 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 08/15/1986 |
| From: | Wenzinger E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Opeka J NORTHEAST NUCLEAR ENERGY CO. |
| Shared Package | |
| ML20206N440 | List: |
| References | |
| NUDOCS 8608260254 | |
| Download: ML20206N438 (2) | |
See also: IR 05000423/1986021
Text
1
)
.
.
.-
AUG 151986
,
Docket / License: 50-423/NPF-49
Northeast Nuclear Energy Company
ATTN:
Mr. John F. Opeka
Senior Vice President-Nuclear
Engineering and Operations Group
P. O. Box 270
Hartford, Connecticut
06101-0270
'
Gentlemen:
Subject:
Millstone 3 Routine Inspection 50-423/86-21 (6/24/86-8/11/86)
This transmits the report of the above subject inspection by Messrs. J. Shediosky
and F. Casella of this office.
The inspection findings have been discussed with
Mr. J. Crockett of your staff.
No violations were identified during this inspection.
No reply to this letter is
required.
Our inspectors noted a conservative attitude of key management personnel in ful-
filling the intent of safety and technical specification requirements.
This atti-
tude was repeatedly demonstrated during outage management and PORC meetings.
How-
ever, while the safety significance of the excessive Loop 2 Hot Leg RTO response
time was being deliberated on July 11, we believe that it would have been more
prudent to have tripped the 6 bistables associated with this instrument as soon
as the safety analyses were in question.
In this case, the bistables were tripped
after the day's deliberations were complete and the vendor recommendation was re-
ceived.
We noted the competent and timely response of operations personnel to the loss of
all fourth point feed heater drain pumps on July 21, preventing a total loss of
feedwater and a challenge to the reactor protective systems.
Good communications
and definite lines of authority were evident throughout this incident, which oc-
curred during a shift turnover.
Thank you for your cooperation.
Sincerely, original Signed Byg
N
Edward C. Wenzinger, Chief
Projects Branch No. 3
i
Division of Reactor Projects
Enclosure:
NRC Region I Inspection Report 50-423/86-21
8608260254 860815
ADOCK 05000423
G
1
x c/
o
\\
E
& ._
,
, . -
.
.
MG I 51986
'
Northeast Nuclear Energy Company
2
s
cc w/ encl:
V. Papadopoli, Construction Quality Assurance Supervisor
E. R. Foster, Director of Generation Construction
W.-J. Mroczka, Vice President, Nuclear Operations
D. O. Nordquist, Manager of Quality Assurance
R. T. Laudenat, Manager, Generation Facilities Licensing
W. D. Romberg, Station Superintendent
Public Document Room (PDR)
Local Public Document Room (LPDR)
Nuclear Safety Information Center (NSIC)
NRC Senior Resident Inspector
State of Connecticut
bec w/ encl:
Region I Docket Room (with concurrences)
Management Assistant, DRMA (w/o encl)
DRP Section Chief
L. Prividy, RI, BV-2
T. Rebelowski, SRI, Millstone 1&2
B. Doolittle, LPM, NRR
Robert J. Bores, DRSS
J. Wiggins, DRS
>
^
RI:DRP
RI:DRP
P
@
&
.
inger
Shedlodk,h' mjd
McCabe
8/14/86
g[(
p
0FFICIA. RECORD COPY
i
_