ML19274F888

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Forwards IE Circular 79-15, Bursting of High Pressure Hose & Malfunction of Relief Valve & O-Ring in Certain Self-Contained Breathing Apparatus. No Action Required
ML19274F888
Person / Time
Site: Pilgrim
Issue date: 08/08/1979
From: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Andognini G
BOSTON EDISON CO.
References
NUDOCS 7908230287
Download: ML19274F888 (1)


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UNITED STATES e8.')v g

NUCLEAR REGULATORY COMMISSION 5

j nEGION I 631 PARK AVENUE

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KING OF PRUSSIA, PENNSYLVANI A 19406 Docket No. 50-293 Boston Edison Company M/C Nuclear ATTN: Mr. G. Carl Andognini, Manager Nuclear Operations Department 800 Boylston Street Boston, Massachusetts 02199 Gentlemen:

The enclosed Circular 79-15, is forwarded to you for information.

If there 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,

)

W Boyce H. Grier

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Director

Enclosures:

1.

IE Circular No. 79-15 w/ attachment 2.

Listing of IE Circulars Issued in the Last Six Months cc w/encls:

P. J. McGuire, Pilgrim Station Manager A. Z. Roisman, Natural Resources Defense Council 79082 30 pg7

ENCLOSURE 1 UN!iED STATES NUCLEAR RMUL' '0RY COMMISSION OFFICE OF INSPEC1.GN AND ENFORCEMENT WASH]iGTON, D.C.

20555 IE Circular No. 79-15 Date:

August 8, 1979 Page 1 of 1 BURSTING OF 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 train line assembly of the SurvivAir Mark I self-contained breathing appart ^.us.

Anyone of these failurec would result in immediate loss of air supply to a user.

Licensees who use the SurvivAir Mark I SCBA should:

1.

Discontinue use of the apparatus until the units hava been inspected by the manufacturer and all necessary repairs or replacements have been made.

2.

Contact the manufacturer or surplier of the equipmer.t for instructions on arranging for inspection ana 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 DUPLICATE DOCUMENT Entire document previously entered into system under:

ANO)f fb O h 0 No. of pages:

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