ML20093C264
| ML20093C264 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 09/28/1984 |
| From: | Hall D ILLINOIS POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-84-02, IEB-84-2, U-0742, U-742, NUDOCS 8410100449 | |
| Download: ML20093C264 (1) | |
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0982-L LO8-84 (09-28 )-L biLLIN018 POWER COMPAN IP
. CUNTON POWER STATION. P.O. BOX 678. CUNTON. ILUNOIS 61727 September 28, 1984-1
~i
- Docket No. 50-461 Mr. James G.' Keppler LW
. Regional Administrator
' e. Region-III U..S.'; Nuclear' Regulatory Commission
'799 Roosevelt Road S.
- Glen Ellyn, Illinois 60137
Subject:
IE'Bulletin 84-02, " Failures of General Electric Type HFA y
Relays in Use~in Class IE Safety Systems" 1
^
Dea'r Mr.'Kappler:
e 4
_'In response to IE Bulletin 84-02, drawings and specifications were
. reviewed to verify the' location of all HFA relays manufactured by General' Electric--Company used at the Clinton Power Station (CPS).
In
- all,-528 HFA relays were. inspected and one hur. dred eight.(108) out of
~
_one hundred fifty-nine_(159) relays in safety-related applications were found;to have Lexan coil assemblies. These will be replaced with the 1, _
- Century Series HFA relays prior to the initial fuel load date. The remaining safety-related HFA relays were found to contain propar coil
- assemblies (Century Series).-
All_ relays used in safety-related applications at CPS will be
,4
- - qualified under programs that satisfy-the environmental and seismic
' criteria'specified in the IEEE-323-1974 and IEEE-344-1975 standards. An
' existing plant procedure (CPS 0AP1008.01N) ensures that all safety-related spare or_ replacement parts are identified and controlled thus preventing the replacement of safety-related relays with unqualified y.
models.
I herebyLaffirm that the information in this letter is correct to
. the best of.my knowledge. Please let us hear if you have any questions Jon this matter.
Sincerely yours,
. P.
1 Vice President
~
V I'g6 PMI/RTR/la ec: : B. L. : Siegel, NRC Clinton Licensing Project Manager NRC Resident Office
. Illinois Department of Nuclear Safety
((
NRC Document Control Desk, Washington, D. C.
20555
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