ML19338F589
| ML19338F589 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 09/16/1980 |
| From: | Hukill H METROPOLITAN EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEB-80-19, TLL-433, NUDOCS 8010200647 | |
| Download: ML19338F589 (1) | |
Text
Yb Metropolitan Edison Company Post Office Box 480
=
Middletown, Pennsylvan,ia 17057 717 944-4041 Writer's Direct Dial Number September 16, 1980 TLL 433 Office of Inspection and Enforcement Attn:
B. H. Grier, Director Region I U. S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406
Dear Sir:
Three Mi?.e Island Nuclear Station, Unit 1 (TM7.-1)
Operating License No. DPR-50 Docket No. 50-289 IE Bulletin 80-19, 80-19 Rev. 1 In response to the subject bulletin, it has been determined that Clair Model HG2X-10ll mercury-wetted relays are not used in the logic matrix of the TMI-l Reactor Protection System.
In use at TMI-l are Clair Model HGS 2MT-5105 mercury-wetted matrix relays.
There have been no failures of this type relay to date. The review and preparation of this report required 27 hours3.125e-4 days <br />0.0075 hours <br />4.464286e-5 weeks <br />1.02735e-5 months <br />.
Sincerely, s
. D.
ukill Director-IMI-l HDH:DGM:1ma ec:
J. T. Collins B. J. Snyder D. DiIanni R. W. Reid Director Division of Reactor Operations Inspection U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, D.C.
20555 8010200(sN g
Metroooktan Edson Company rs a Member of the General Pubic Utihties System