ML19246C339
| ML19246C339 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek  |
| Issue date: | 07/13/1979 |
| From: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Koester G KANSAS GAS & ELECTRIC CO. |
| References | |
| NUDOCS 7907240309 | |
| Download: ML19246C339 (1) | |
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/ RLINGToN TEXAS 76017 July 13, 1979 In Reply Reier To:
RlV Docket No.
SIN 50-432/IE Circular No. 79-13 Kansas Gas 6 Electric Co.
Attn:
Mr. Glenn L. lCoester Vice President-Operations Post Office Box 208 Wichita, Kansas 67201 Gentlemen:
The enclosed IE Circular No. 79-13, is forwarded to yot for information.
No written response is required.
Should you have any questions related to your understanding of this matter, please contact this office.
Sincerely, GC$v L*% h v' Karl V. Seyfrit Director
Enclosures:
1.
IE Circular No. 79-13 2.
List of IE Circulars Issued in Last 12 Months cc: u/ enclosures Messrs.
Nicholas A.
Petrick, SNUPPS D. T. McPhee, Kansas City Pouer and Light Company Gerald Charnoff, Shaw, Pittman, Potts & Trowbridge E. W.
Creel, Kansas Gas and Electric Company 790w2 3 1 360 319
UNITED STATES NUCLEAR REGULATORY COM'lISSION OFFICE OF INSPECTION AND ENFORCE!1ENT WASIIINGTON, D.C.
20555 IE Circular No. 79-13 Date:
July 13, 1979 Page 1 of 1 REPLACEMENT OF DIESEL FIRE PU'1P STARTING CONTACTORS Description of Circumstances:
On May 28, 1978, the Diesel Fire Pump failed to start remotely at Davis-Besse, Unit 1 facility operated by Toledo Edison Company.
The cause for failure was defective starting contactors. A subsequent investigation into the cause of a similar failure on January 18, 1978, at Commonwealth Edison Company's Dresden 2/3 Diesel Fire Pump identified a generic problem wttb Cummins Indus-trial Fire Pump Engines.
Discussion:
The investigation revealed that Cummins Engine Company issued a Service / Parts Topics No. 74T 13-3A announcing new components available for Industrial Fire Pumps (NH-220-1F, N-855-F, N-855-F1, NT-855-F2 series engines) to improve operation of inline 6 cylinder Industrial Fire Pump Engines.
In this topic, Cummins recommends that wl.en replacing the 118848 magnetic switch and 199573 DC relay contactor, use the new 217588 magnetic switch. The new design component has a 6 ampere draw, whereas the old cor..bination has approximately 3 amperes draw.
Davis Besse and Dresden sites have implemented the corrective action recommended by Cunnins.
Recommended Actions for Licensees' Consideration:
All holders of operating licenses or construction permits should be aware of the ;,otential preblem of the type discussed above.
Because of the generic implications in this matter, it is recommended th t both licensees of operating facilities and holders of construction permits concuct a review to determine if the above diesel fire pump engines are in use or planned for use at your facility (ies).
If these engines are in use or planned for use, determine if the Cummias type 118848 Magnetic Switch and 199573 DC relay contactors are also employed.
For those engines which have these components, develop a pro-gram for their replacement with the new 217588 Magnetic Switch.
No written response to this Circula &
' mn reouire additional ir. formation regarding these. natters NtC Regional Office.
DUPLICATE DOCUMENT 7
l;into system under: Entire document previou ins rvice/ Parts TOP cs i
No. 74T 13-3A ANO_ )
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