ML19242A312

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Responds to NRC 790507 Request for Info Re Adequacy of Station Electric Distribution Sys Voltages.Analysis & Consequent Info Cannot Be Committed Due to Resource Limitations
ML19242A312
Person / Time
Site: Crane 
Issue date: 07/26/1979
From: Herbein J
METROPOLITAN EDISON CO.
To: Reid R
Office of Nuclear Reactor Regulation
References
EQL-0970, EQL-970, NUDOCS 7908010367
Download: ML19242A312 (1)


Text

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Metropolitan Edison Company Post Office Box 542 Reading Pennsylvania 19640 215 929-3601 Wnter's Direct D.al Number July 26, 1979 GQL 0970 Director of Nuclear Reactor Regulation Attn:

R. W. Reid, Director Operating Reactors Branch No. 4 U. S. Nuclear Regulatory Commission Washington, D.C.

20555

Dear Sir:

Three Mile Island Nuclear Station, Unit 1 (TMI-1)

Operating License No. DPR-50 Docket No. 50-289 On May 7, 1979 we received an NRC request for information concerning the

" adequacy of station electric distribution system voltages".

Specifically, the NRC letter requested that certain analyses be performed to demonstrate that adequate voltages are avai'able to start and operate Engineered Safe-guards Components.

We began the ef.= ort ir this area, but as a result of limited resources following the accident at TMI-2, we found that it would not be possible to complete the effort within the time fra e outlined in the above mentioned NRC letter.

Therefore, in a letter dated June 25, 1979, we requested an extension of time to allcw us to complete our analysis.

At that time, we expressed out intentien to submit our response b" August 1, 1979.

We are currently involved in discussions with your staff concerning details of your request. We have also found that due to resource limitations and the magnitude of the effort involved, it will not be possible to submit our response by August 1, 1979 as t had intended.

However, please be advised that we will respcnd to the concerns raised in the above mentioned NRC letter prior to returning TMI-l to power operation.

o'nc,erelo,

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Vice President-Generation JGH:RAL:tas cc:

D. DiIanni

- NRC H. Silver

- NRC

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