ML19274F889
| ML19274F889 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 08/08/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Lundvall A BALTIMORE GAS & ELECTRIC CO. |
| References | |
| NUDOCS 7908230293 | |
| Download: ML19274F889 (1) | |
Text
o og o,,
UNITED STATES y
g NUCLEAR REGULATORY COMMISSION ti E
REGION I S
[
631 PARK AVENUE
,e KING OF PRUSSIA, PENNSYLVANIA 19406 August 8,1979 Docket Nos. 50-317 50-318 Baltimore Gas and Electric Company ATTN: Mr. A. E. Lundvall, Jr.
Vice President, Supply P. O. Box 1475 Baltimore, Maryland 21203 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, db i
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:
R. M. Douglass, Manager, Quality Assurance L. B. Russell, Chief Engineer W. Gibson, General Supervisor, Operations QA R. C. L. Olson, Senior Engineer K. H. Sebra, Principal Engineer 7908200943'4
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 Paga 1 of 1 BURSTING 0F HIGH PRESSURE H0SE 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 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:
Mailgram DUPLICATE DOCUMENT Entire document previously entered into system under:
ANO 7 h h f[/b b h M No. of pages:
_