ML19247A888
| ML19247A888 | |
| Person / Time | |
|---|---|
| Site: | Catawba, Perkins, Cherokee  |
| Issue date: | 07/13/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Dail L DUKE POWER CO. |
| References | |
| NUDOCS 7908030121 | |
| Download: ML19247A888 (2) | |
Text
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'o UNITED ST ATES 8'
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'e, NUCLEAR REGULATORY COMMISS;ON 8
E REGION 11
$.k '-'d ' f 101 M ARIE TT A ST., N.W., SUIT E 3100 g
AT LANT A, GEORGI A 30303
- g of sn.131979 In Reply Refer To:
RII:JPO' c -50e413.3 0_-414 )
50-488, 50-489 50-490, 50-491 50-492, 50-I93 t
Duke Power Capany Attn:
L. C. Dail, Vice President Design Engineering P. O. Box 33189 Charlotte, North Carolina 28242 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 to your understanding of this natter, please contact this office.
Sincerely,
N
.3 James P. O'Reilly n"T Director
Enclosures:
1.
IE Circular No. 79-13 2.
List of IE Circulars Issued in the Last 12 Nonths 62()# bb JL 8030\\
290
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JUL 131979
. Duke Power Company cc et/ encl:
D. C. Beam, Project Manager Post Office Box 223 Clover, South Carolina 29710 J. T. Moore, Project Manager Post Office Box 422 29340 Gaffney, South Carolina bZ.O187 (I
lI e
UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMDIT WASHINGTON, D.C.
20555 July 13,1979 IE Circular No. 79-13 REPLACEMENT OF DIESEL FIRE PUMP STARTING C0hIACTORS Description of Circumstances:
the Diesel Fire Pu=p failed to start remotely at Davis-Besse, On May 28, 1979, The cause for failure was Unit 1 facility operated by Toledo Edison Company. investigation into the cause of defective starting contactors. A subsequent a similar f ailure on January 18, 1978, at Cocznonwealth Edison Company's Dresden 2/3 Diesel Fire Pump identified a generic problem with Cu== ins Indus-trial Fire Pump Engines.
Discussion:
The investigation revealed that Cdna Engine Co=pany issued a Service / Parts Topics No. 74T 13-3A announcing new components available for Industrial Fire Pu=ps (NH-220-1F, N-855-F, N-855-F1, NT-855-F2 series engines) to improve In this topic, operation of inline 6 cylinder Industrial Fire Pump Engines.
Cumanins recocznends that when replacing the 118848 magnetic switch and 199573 217588 magnetic switch. The new design DC relay contactor, use the new component has a 6 ampere draw whereas the old cocibination has approximately Davis Besse and Dresden sites have implemented the corrective 3 amperes draw.
action recomunended by C e hs.
Recon =nended 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.
implications in this matter, it is recoci:nended that both licenseen of operating facilities and holders of construction permits conduct a review to determine if the above diesel fire pump engines are in use or planned for us facility (ies).
118848 Magnetic Switch and 199573 DC relay contactors are For those engines which have these components, develop a pro-the Cum = ins type also employed.
217588 Magnetic Switch.
ggeg gram for their replacement with the new If you require additional No written response to this Circular is required.inf ormation re T'"
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NRC Regional Office.
5 dDUPLICATE DOCUMENT Entire document previously entered
Enclosure:
into system under:
CUMHINS Service / Parts Topics xNo 7907 /90/2F No. 74 T 13-3A c
h No. of pages:_
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