ML19207C120
| ML19207C120 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/08/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 7909060462 | |
| Download: ML19207C120 (1) | |
Text
h) pa R8c oq%
UNITED STATES
! Ij s,6,' {
NUCLEAR REGULATORY COMMISSION
%f^
'j REGION V 1990 N. CALIFORNIA BOULEVARD 0,
g
%,'\\#
,e SulTE 202, WALNUT CREEK PLAZA
- +,,*
WALNUT CR EE K, CALIFORNIA 94596 August 8,1979 Docket No. 50-312 Sacramento Municipal Utility District P. O. Box 15830 Sacramento, California 95813 Attention: Mr. John J. Mattimoe Assistant General Manager Gentlemen:
The enclosed Circular 79-15 is forwarded to you for infomation.
If there are any questions related to your understanding of the suggested actions, please notify NIOSH at the telephone number listed in the enclosure to the Circular.
Sincerely,
)hcdan
,hR.H..ngelken Director
Enclosures:
1.
I: 'ircular No. 79-15 2.
Listing of IE Circulars Issued in the Last Six Months cc w/ enclosures:
R. J. Rodriguez, SMUD L. G. Schwieger, SMUD O.2.'.~O11 7009060 Y Q
UNITED STATES NUCLEAR REGULATORY COM!1ISSION OFFICE OF INSPECTION AND ENFORCEf1ENT WASHINGTON, D.C.
20555 A. gust 8, 1979 IE Circular No. 79-15 BURSTING OF HIGH PRESSURE HOSE AND MALFUNCTION OF RELIEF VALVE AND "0"-RING IN ERTAIN SELF-CONTAINED BREATHING APPARATUS Description of Circumstances:
The Nuclear Regulatory Commission (NRC) has been informed by mailgram (copy enclosed) frcm 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.
Any one 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 s Jditional information regarding this subject, please contact the office specified in the enclosed mailgram.
Enclosure:
Mailgram
~
- n
_ L DUPLICATE DOCUMENT g,....
o a.x. t 0.1f l
$)Entiredocument previously e:.tered jinto system under:
]90 8/? 0 Q90 ANO
^\\
No. of pages:
S J
d