ML19225C883
| ML19225C883 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 07/13/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Mary Johnson SOUTH CAROLINA ELECTRIC & GAS CO. |
| References | |
| NUDOCS 7908030139 | |
| Download: ML19225C883 (2) | |
Text
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UNITED STATES
'o, NUCLEAR REGULATORY COMMISSION 8'
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E REGION 11 o,
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101 M ARIE TT A ST., N.W., SulTE 3100 AT LANT A, GEORGI A 30303 3
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JUL 13197'-
In Reply Refer To:
RII:JPO 50-395 South Carolina Electric and Gas Company Attn:
M. C. Johnson, Vice President Special Services and Purchasing Post Office Box 764 Columbia, South Carolina 29218 Gentlemen:
The enclosed IE Circular No. 79-13, is f orwarded to you for information.
No written response is required.
Should you have any questions related this office.
to your understanding of this matter, please contact Sincerely, t
James P. O'Re.lly n9 Director
Enclosures:
1.
IE Circular No. 79-13 2.
List of IE Circulars Issued it the Last 12 Months ofG 400 L/
'700803 0 l M
Y JUL 131979 South Carolina Electric and Gas Company cc w/ encl:
T. B. Conners, Jr.
Conners, Moore and Corber 1747 Pennsylvania Avenue, N.W.
Washington, D.C.
20006 A. A. Smith Quality Assurance Post Office Box 8 Jenkinsville, South Carolina 290(5 O. S. Bradham, Manager Nuclear Operations Post Office Sox 8 Jenkinsville, Scuth Carolina 29065 408 240
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UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.
20555 July 13, 1979 IE Circular No. 79-13 REPLACEMENT OF DIESEL FIRE PUMP STARTING C MTACTORS Description of Circumstances:
remotely at Davis-Besse, On May 28, 1979, the Diesel Fire Pu=p failed 1o startThe cause for failure was Unit 1 f acility operated by Toledo Edison Com;>any. investigation into the cause of defective starting contactors. A subsequent a similar failure on January 18, 1978, at Comonwealth Edison Company's Dresden 2/3 Diesel Fire Pump identified a ger eric problem with Cum = ins Indus-trial Fire Pump Engines.
Discussion:
Cu= mins Engine Company issued a Service / Parts The investigation revealed that 74T 13-3A announcing new components available for Industrial Fire Topics No.
Pumps (NH-2 20-1F, N-855-F, N-855-F 1, NT-8'.
F2 series engines) to improve In this topic, operation cf inline 6 cylinder Industrial Fire Pu=p Engines.
Cuz: mins recommends that when replacing the 118848 magnetic switch and 199573 217588 magnetic switch. The new design DC relay contactor, use the new 6 ampere drav whereas the old combination has approximately component has :
Davis Besse and Dresden sites have implemented the corrective 3 amperes draw.
action reco::cended by Cu== ins.
Recounended Actions for Licensees' Consideration:
All holders of operating licenses or construction permits should be aware of Because of the generic the potential problem of the type discussed above.is recommended that both licensees o implications in this matter, itfacilities and holders of construction permits conduc your if the above diesel fire pump engines are in use or planned for use facility (ies).
118848 Magnetic Switch and 199573 DC relay contactors are For those engines which have these components, develop a pro-the Cu= mins type also employed.
2175853 Magnetic Switch.
gram for their replacement with the new If you require additional No written response to this Circular is required.information re NRC Regional Office.
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DUPLICATE DOCUMENT
Enclosure:
CUMMINS Service /Parta Topics Entire document previously e~ntered into system under:
No. 74 T lJ-3A p
'241 ANo W 0 7/ 9 0/ZF 90n b
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No. of pages:
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