ML19242D157

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Notifies That Conax-supplied Kulka Terminal Blocks Have Passed Environ Test Requirements as Defined for Drywell Electrical Penetrations.Rept of Possible Deficiency May Be Disregarded
ML19242D157
Person / Time
Site: Fermi DTE Energy icon.png
Issue date: 08/02/1979
From: Fahrner W
DETROIT EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
EF2-45761, NUDOCS 7908140573
Download: ML19242D157 (2)


Text

a. V Detroit i:eec.Vj u.w j #;n;m;w 13:3: m.su August 2, 1979 EF2 - 45761 Mr. Janes C. Keppler, Pegional Director Directcrate of Regulatory Cperaticrs Region III U. S. Nuclear Regulatory QImission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

References:

Enrico Fermi Atxic powr plant, Unit 2 A. 10 CFR 50.55(e) Deficiency Report Telephone Call of Noveber 21, 1978 to tac Region III (EF2-44875 of Deceirr 5, 1978).

B. Con'a x I.etter of Novmber 9, 1978 to tac.

C. 10 CFR 50.55(e) Interim 30-day Report, I.etter to NRC of Dem:rber 20, 1978, EF2-43636.

D. 10 CFR 50.55(e) Interim 120-day Report Ietter to NRC of April 9, 1979, EF2-44536.

Subject:

Kulka Temiral Block Ibficiency Pursuant to tPc requircrcents of 10 CFR 50.55(e) the Kulka ten.unal blocks supplied by Conax for the drnell electrical penetrations wre reported in reference A as potentially defective after initial environ-mental tests.

Rewnt thorough envircrmntal tests have qualified the terminal blocks.

The Kulka 7TB, 27TB, and 604D series tenniral blccks supplied by Ccrax for safety related circuits in the electrical penetrations Pave been sMwn to meet the envircrnental require-ents defined for tPc drpell.

As such, this iten is no longer considered to be reportable under 10 CER 50.55(e) .

(4R G IO

'1 7 9 0 814 Of T3

. a Mr. Ja.es C. Keppler

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Atr;ust 2, 1979 Page 2 Results of the tests will be available for review next Cctober at the Project's Doct:nent Control.

Sincerely yours,

)). -b & L M %.

W. J. Fahrner Project;bnager Enrico Fenni 2 VUF/W/dk cc: N%7etwomEevA:.i..am Acting Director Office of Inspection and Erforcerent Divisien of Reactor Inspection Progra-s U. S. Nuclear Regulatory Ccrrission Washington, D. C. 20555 I

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