ML20207G442
| ML20207G442 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 12/16/1977 |
| From: | Klingler G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-77-220A, NUDOCS 9903120076 | |
| Download: ML20207G442 (1) | |
Text
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PD F c h A (< C u
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PRELIMINARY NOTIFICATION
[f
, December 16, 1977 PRELIMINARY NOTIFICATION OF EVENT OR U i
i
--PNO-77-220A
_This preliminary notification constitutes EARLY notice POSSIBLE s presented _a_fety or public interest significance.
and is basically all that is known by IE staff on thi
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uation
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Facility:
Millstone Point Waterford, ConnecUnitSNo._1_(DN 50-245) i ticut 3
Subject:
PROBABLE CAUSE OF INI.TIA1. OFF GAS EXPLOS 4
F believed to be the initiating event for the first a
ent line is now on.
Detailed examination of the four instrument lines i
monitoring, located 2 to 4 inches from an instrument air he i
system flow being installed at the time of the event, shows evidence of that could have raised pipe temperature to greater than th a was i
an arc strike The welder involved does not remember the occurrenc e ignition point.
Connecticut has been informed. Media interest is expected licensee.
A press release is being cons.
The State of idered by the I
NRC, Region.I telephone from,..(Philadelphia) received notification.of this gij
' ' ~
~
,th~e11cen.seea,t9:45;AM[D,ecember l
16, 1977.
Contact:
GKlingler, IE x28019 FNolan, IE X28019 JSn i
_ Distribution:
Chairman Hendrie Transmitted H St 3 /4 0 Comissioner Kennedy Commissione~r Bradford M..
Commissioner Gilinsky S. J. Chilk, SECY C. C. Kammerer, CA (ForDistribution)
Transmitted:
,j L. V. Gossick MNBB _2;c)
P Bldg 3IO 4 EDO ~
E. Volgenhu
~-
S. H. Hanauer,, EDO E. G. Case, NRR Region 1 IE31O_9 J. J. Fouchard, PA i
. (,M_AI_L)
O; R. Hartfield, MIPC SS Bldg R. G. Ryan, OSP C. V. Sm t, MSS H. K. Shapar ELD R. J. McTiernan, OIA R. Minogue, SD 4
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PRELIMINARY NOTIFICATION
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