ML19242D872
| ML19242D872 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 08/08/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Dunn C DUQUESNE LIGHT CO. |
| References | |
| NUDOCS 7908230300 | |
| Download: ML19242D872 (1) | |
Text
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NUCLEAR REGULATORY COMMISSION Gj
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o KING OF PRUSSIA, PENNSYLVANIA 19406 August 8, 1979 Docket No. 50-334 Duquesne Light Company ATTN: Mr. C. N. Dunn Vice President Operations Division 435 Sixth Avenue Pittsburgh, Pennsylvania 15219 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. listej in the attachment to the Circular.
Sincerely,
\\N, $
N-1 Boyce H. Grier Director
Enclosures:
1.
IE Circular No. 79-15 w/ attachment 2.
Listing of IE Circulars Issued in the Last Six Months cc w/encls:
F. Bissert, Technical Assistant Nuclear R. Washabaugh, QA tianager J. Werling, Station Superintendent G. Moore, General Superintendent, Power Stations Department J. J. Carey, Nuclear Technical Assistant k
70082303
- 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 SCEA should:
1.
Discontinue use 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 supplier 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:
Maiigram 3
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