ML20249A158: Difference between revisions
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=Text= | =Text= | ||
{{#Wiki_filter:- | {{#Wiki_filter:- | ||
PRELIMINARY NOTIFICATION | PRELIMINARY NOTIFICATION b | ||
j Facility: | January 30, 1978 hh. | ||
Yankee Rowe (DN 50-029) | PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-18 This preliminary notification constitutes EARLY notice of an event of POSSIBLE safety or public interest significance. | ||
Rowe, Massachusetts | The information t | ||
presented is as initially received without verification or evaluation | |||
{ | |||
and is basically all that is known by IE staff on this date. | |||
j Facility: | |||
Yankee Atomic Electric Company Yankee Rowe (DN 50-029) | |||
Rowe, Massachusetts | |||
( | |||
==Subject:== | ==Subject:== | ||
SHUTDOWN FOR REPLACEMENT OF TERMINAL BLOCKS Yankee Rowe has determined that they have 100 terminal blocks (a type of electrical connector) located inside containment in safety related systems | SHUTDOWN FOR REPLACEMENT OF TERMINAL BLOCKS Yankee Rowe has determined that they have 100 terminal blocks (a type of electrical connector) located inside containment in safety related systems which are incapable of performing satisfactorily in the high temperature / | ||
which are incapable of performing satisfactorily in the high temperature / | f humidity environment following a loss of coolant accident or steam line break. | ||
humidity environment following a loss of coolant accident or steam line | The terminal blocks are the same type determined by the Connecticut i | ||
The Yankee Rowe Plant was shutdown for operator training when this condition was identified. The terminal blocks will be replaced prior to returning | Yankee Atomic Power Company to be unsatisfactory in recent tests and which were replaced at the Haddam Neck Plant on January 28 and 29,1978. | ||
The Yankee Rowe Plant was shutdown for operator training when this condition was identified. | |||
The terminal blocks will be replaced prior to returning Ps# | |||
the plant to power. | the plant to power. | ||
rn J | rn J Media interest is expected because of the extensive interest in environ-V '' | ||
mental qualification of safety related electrical connectors. | |||
considered by the licensee. | The Common- | ||
NRC, Region I, (Philadelphia) received notification of this occurrence by | / | ||
wealth of Massachusetts has been informed. | |||
A press release is being considered by the licensee. | |||
d A | |||
NRC, Region I, (Philadelphia) received notification of this occurrence by a | |||
telephone from the Station Superintendent at 9:10 a.m., on January 30, 1978. | |||
Q | Q | ||
==Contact:== | ==Contact:== | ||
GKlingler, IE x28019 FNolan, IE x28019 JSniezek, IE x28019 Distribution: | GKlingler, IE x28019 FNolan, IE x28019 JSniezek, IE x28019 Distribution: | ||
Commissioner Gilinsky | Transmitted H St //7 I Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution) | ||
/ | |||
Transmitted: MNBB //.*3 ) | Transmitted: MNBB //.*3 ) | ||
R. Hartfield, MIPC | P Bldg //.'.:7 E. Volgen u IE L. V. Gossick, EDO E. G. Case, NRR Region | ||
//.' O S. H. Hanauer, E00 J. J. Fo'uchard, PA SS Bldg //Nd (MAIL) | |||
R. Hartfield, MIPC C. V. Smith, NMSS T. J. McTiernan, OIA R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, E!.D PRELIMINARY NOTIFICATION l | |||
l 4 | |||
.= | |||
-t 9006160118 700130 PDR 18,E PNO-78-18 PDR | |||
_ _ _ _ _ _ _ _ _ _}} | |||
Latest revision as of 14:23, 30 November 2024
| ML20249A158 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 01/30/1978 |
| From: | Klingler G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| References | |
| PNO-78-018, PNO-78-18, NUDOCS 9806160118 | |
| Download: ML20249A158 (1) | |
Text
-
PRELIMINARY NOTIFICATION b
January 30, 1978 hh.
PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-18 This preliminary notification constitutes EARLY notice of an event of POSSIBLE safety or public interest significance.
The information t
presented is as initially received without verification or evaluation
{
and is basically all that is known by IE staff on this date.
j Facility:
Yankee Atomic Electric Company Yankee Rowe (DN 50-029)
Rowe, Massachusetts
(
Subject:
SHUTDOWN FOR REPLACEMENT OF TERMINAL BLOCKS Yankee Rowe has determined that they have 100 terminal blocks (a type of electrical connector) located inside containment in safety related systems which are incapable of performing satisfactorily in the high temperature /
f humidity environment following a loss of coolant accident or steam line break.
The terminal blocks are the same type determined by the Connecticut i
Yankee Atomic Power Company to be unsatisfactory in recent tests and which were replaced at the Haddam Neck Plant on January 28 and 29,1978.
The Yankee Rowe Plant was shutdown for operator training when this condition was identified.
The terminal blocks will be replaced prior to returning Ps#
the plant to power.
rn J Media interest is expected because of the extensive interest in environ-V
mental qualification of safety related electrical connectors.
The Common-
/
wealth of Massachusetts has been informed.
A press release is being considered by the licensee.
d A
NRC, Region I, (Philadelphia) received notification of this occurrence by a
telephone from the Station Superintendent at 9:10 a.m., on January 30, 1978.
Q
Contact:
GKlingler, IE x28019 FNolan, IE x28019 JSniezek, IE x28019 Distribution:
Transmitted H St //7 I Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution)
/
Transmitted: MNBB //.*3 )
P Bldg //.'.:7 E. Volgen u IE L. V. Gossick, EDO E. G. Case, NRR Region
//.' O S. H. Hanauer, E00 J. J. Fo'uchard, PA SS Bldg //Nd (MAIL)
R. Hartfield, MIPC C. V. Smith, NMSS T. J. McTiernan, OIA R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, E!.D PRELIMINARY NOTIFICATION l
l 4
.=
-t 9006160118 700130 PDR 18,E PNO-78-18 PDR
_ _ _ _ _ _ _ _ _ _