ML20214N790

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Forwards Safety Insp Rept 50-295/87-12 on 870508-12 Re 870430 Event in Which All Four MSIVs Were Opened,Resulting in Safety Injection & RCS Cooldown.Util Will Be Notified by Separate Correspondence Re Enforcement Actions
ML20214N790
Person / Time
Site: Zion File:ZionSolutions icon.png
Issue date: 05/27/1987
From: Norelius C
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To: Reed C
COMMONWEALTH EDISON CO.
Shared Package
ML20214N792 List:
References
NUDOCS 8706030072
Download: ML20214N790 (2)


See also: IR 05000295/1987012

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MAY 271987

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Docket No. 50-295 f

Docket No. 50-304

Commonwealth Eoison Company ,

! ATTN: Mr. Cordell Reed  !

Vice President  !

Post Office 80x 767 i

Chicago, IL 60630

Gentlemen:

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This refers to the special safety inspection conducted by NRC inspectors

M. M. Holzmer N. R. Williamsen, and P. L. Eng of this office on May 8 ,

through 12, 1987, of activities at Unit 1 of the Zion Nuclear Generating

Station, authorized by License No. DPR-39 and to the discussion of our i

findings with Mr. G. P11m1 at the conclusion of the inspection.  ;

The inspection focused on the circumstances surrounding an event which

occurred on April 30, 1987, in which all four mainsteam isolation valves were +

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0)ened resulting in a safety injection and reactor coolant system cooldown.  !

Tie enclosed copy of our inspection re) ort identifies areas examined during i

i the inspection. Within these areas, tie inspection consisted of a selectiva i

examination of procedures and representative records, observations, and l

l interviews with personnel.

We are releasing this report at this time for your information. You will be I

l notified by separate correspondence of our decision regarding enforcement  !

l action based on the findings of this inspection. No written response is t

required until you are not< fled of any proposed enforcement action.  !

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In accordance with 10 CFR 2.790 of the Commission's regulations, a copy of l

this letter, and the enclosure, will be placed in the NRC Public Document

Room.

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Conrnonwealth Edison Company 2 MAT 2'l bb[

We will gladly discuss any questions you have concerning this inspection.

Sincerely.

ORIGINAL SIGNED BT C. E. NORErJUS

Charles E. Nore11us Director

Division of Reactor Projects

Enclosure: Inspection Report

No. 50-295/87012(DRP)

cc w/ enclosure:

D. L. Farrar. Director

of Nuclear Licensing

G. J. Plim1, Station Manager

Jan Norris, Project Manager, NRR

DCS/RSD (RIDS)

Licensing feo Management Branch

Resident inspector, R!!!

Richard llubbard

J. W. McCaffrey, Chief. Public

Utilities Division

Mayor, City of Zion

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