ML20244C156
| ML20244C156 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 04/05/1989 |
| From: | Oconnor P Office of Nuclear Reactor Regulation |
| To: | Trevors G NEBRASKA PUBLIC POWER DISTRICT |
| References | |
| IEB-88-003, IEB-88-3, NUDOCS 8904200067 | |
| Download: ML20244C156 (1) | |
Text
. __-
}4 APR - 5.1989 f
M g
7,
- 7 y wn. ~
~
^
Mr. George A.' Trevors.- Division Manager - Nuclear Support.
' Nebraska Public Power District Post Office Box 499 Columbus,' Nebraska 68601 I
Dear Mr. Trevors:
q
SUBJECT:
RESPONSE TO NRC BULLETIN 88-03 i
.On March 10, 1988 the NRC staff issued NRC Bulletin 88-03, " Inadequate Latch Engagement in HFA Type Latching Relays Manufactured by General Electric (GE)
Company." The bulletin requested the evaluation of all latching-type HFA relays in Class IE (safety-related) applications for 1) distance measurements
'between the top of the molded contact carrier and the top of the relay armature;
- 2) full latch rotation when the armature-is fully depressed; 3) repairing or replacing any relays which fails the inspections; and 4) inspection of all i
existing spare HFA relays. The bulletin also requested that licensees provide i
a written response either within 120 days of receipt of the bulletin if the licensee does not have HFA type latching relays subject to this bulletin or within 30 days of completion of the inspection if the licensee does have the-
'HFA type latching relays subject to this bulletin.
.By letter dated April 6, 1988, you responded to Bulletin 88-03. Your response
~
noted that Cooper Nuclear Station does not utilize any of the HFA type latching relays subject to NRC Bulletin No. 88-03. This fulfills your requirements in responding to Bulletin 88-03.
1 Sincerely.
Paul W. O'Connor oject Manager i
Project Directorate - IV l
Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulaticn cc:. See next page DISTRIBUTION Docket File NPD PDR Local PDR PD4 Reading G. Holahan-L. Rubenstein J. Calvo P. Noonan MP. O'Connore OGC-Rockville E. Jordan B. Grimes ACRS(10)
PD4 Plant File PNoon JMonninger:sr P0'Connor/
PD4/D /N PD4/L-PD4/IN PD4/PM JCalvo 04////8 04/d//89 04/ V/89 k
OfY 8904200067 890405 I
i PDR ADOCK 05000298 i
G PNU Jr_____---____-___-______-____-___-_