ML19341A023

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Forwards Monthly Operating Rept for Dec 1980
ML19341A023
Person / Time
Site: Crane Constellation icon.png
Issue date: 01/15/1981
From: Hukill H
METROPOLITAN EDISON CO.
To: Mcdonald W
NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF MANAGEMENT AND PROGRAM ANALYSIS (MPA)
Shared Package
ML19341A024 List:
References
L1L-014, L1L-14, NUDOCS 8101210469
Download: ML19341A023 (2)


Text

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Metropolitan Edison Company

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'e Post Office Box 480

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Middletown, Pennsylvania 17057 Wnter's Direct Dial Number January 15, 1981 Lll 014 Office of Management Information and Program Control Attn:

W. C. Mcdonald c/o Distribution Services Branch DPC, ADM U. S. Nuclear Regulatory Commission

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Washington, D.C.

20555

Dear Sir:

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

Operating License No. DPR-50 Docket No. 50-289 December Operating Report Enclosed please find two (2) copies of the December Operating Report for Three Mile Island Nuclear Station, Unit 1.

Sincerely, t

. D.

.t' ill Director, TMI-l HDH:DGM:1ma Enclosures cc:

V. Stello B. H. Grier T. Cintula (2 copies) k hi etropoi. tan Edison Company is a Memter of the Gereral Pubhc Ut:l:tres System gy01210/

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OPERATING

SUMMARY

inui Unit was shutdown the entire month with core cooling provided by the Decay Heat Removal System.

MAJOR SAFETY RELATED MAINTENANCE 4

While Unit-1 operated in the cold shutdown condition._the following major maintenance items were completed.

1.

Spent Fuel Weld #103 and #214 located on the "A" side.

2.

MU-V-73C check valve internals modified.

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'While the Spent Fuel Loop "B" was in service, Spent Fuel "A" Weld j

-#103 and #214 were repaired. The following work was performed.

a) Welds were cut out.

b) Weld preps performed.

c) Fitup and inspection (fitup and cleanliness),

d) Hot and Root pass welds installed.

e)

Information x-ray of hot and root pass.

f) Weld out.

g) Final x-ray of weld out.

Both welds were performed with satisfactory results. An operational test will be performed at completion of all weld repairs on the "A" loop at a later time.

Make-Up Pump IC discharge check valve-(MU-V-73C) internals were modified / repaired and reinstalled. The valve bonnet was reinstalled and torqued.

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