ML19276G688
| ML19276G688 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 08/08/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Groce R VERMONT YANKEE NUCLEAR POWER CORP. |
| References | |
| NUDOCS 7908230368 | |
| Download: ML19276G688 (1) | |
Text
pn ntov UN:TED STATES
[ 'y 3 s, 'i NUCLEAR RFJULATORY COMMISSION 3O~
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,o KING OF PRUS' t,, PENNSYLVANIA 19406 Augv.t 8, 1979 Docket No. 50-271 Vermont Yankee Nuclear Power Corporation ATTN:
Mr. Robert H. Groce Licensing Engineer 20 Turnpike Road Westborough, Massachusetts 01581 Gentlemen:
The enclosed Circular 79-15, is forwarded :.o you for information.
If tt re are any questions related to your understanding of the suggested actions, please notify NIOSH at the telephone No. listed in the attachment to the Circular.
Sincerely, Ik Boyce H. Grier Director
Enclosures:
1.
IE Circular No. 79-15 w/ attachment 2.
Listing of IE Circulars Issu9d in the Last Six Mt.nths cc w/encls:
W. F. Conway, Plant Superintendent Ms. J. Abbey, Technical Secretary A. Z. Roisman, Natural Resources Defense Council 7908230368.,
.-008230
d ENCLOSURE 1 UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.
20555 IE Circular No. 79-15 Date:
August 8, 1979 Page 1 of 1 BURSTING 0F HIGH PRESSURE HOSE AND MALFUNCTION OF RELIEF VALVE AND "0"-RING IN CERTAIN SELF-CONTAINED BREATHING APPARATUS Description of Circumstances:
The Nuclear Regulatory Commission (NRC) has been informed by mailgram (copy attached) from the National Institute of Occupational Safety and Health (NIOSH) of occurrences of bursting of the high pressure hose assembly, and malfunction of the relief valve and of the "0"-Ring in the main line assembly of the SurvivAir Mark I self-contained breathing apparatus.
Anyone of these failures would result in immediate loss of air supply to a user.
Licensees who use the SurvivAir Mark I SCBA should:
1.
Discontinue usa of the apparatus until the units have been inspected by the manufacturer and all necessary repairs or replacements have been made.
2.
Contact the manufacturer or supplict of the equipment for instructions on arranging for inspection and repair.
No written response to this circular is required.
If you require additional information regarding this subject, please contact the office specified in the attached mailgram.
Attachment:
Mailgram m g &.- y r-m-w.y m g grr-syq A DUPLICATE DOCUMENT
?, Entire document previously entered into system under:
nNo 7908/60 %D No. of pages:
_