ML20043A232

Forwards TMI-1 Reactor Bldg 15-Yr Tendon Surveillance (Insp Period 5) Technical Rept 069.Evaluations Conclude That Test & Insp Results Demonstrate TMI-1 Reactor Bldg post- Tensioning Sys in Good Condition

ML20043A232
Person / Time
Site:	Crane
Issue date:	05/11/1990
From:	Hukill H GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20043A233	List: ML20043A232 ML20043A234
References
C311-90-2070, NUDOCS 9005210046
Download: ML20043A232 (1)

Text

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. u Nuclear mera-GPU Nuclear Corporation

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. Middletown, Pennsylvania 17057 0191

. 717 944 7621" TELEX 84 2386 Writer's Direct Dial Number:

-C311-90-2070 U.'S.

Nuclear'RegulatoryiCommission Attn:. Document. Control Desk'

' Washington,'DC' -20555-

Dear Sir:

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

Operating. License'No. DPR-50 Docket No. 50-289 Reactor Building Tendon Surveillance Test In.accordance with TMI-1 TechnicalcSpecificat' ions (TS) 4. 4. 2.1. 6. a, :

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i enclosed--is the. report, "TMI-1 Rea'ctor-~ Building 1 Tendon < Surveillance j

Test Inspection Period 5 (15' Years) ~," Technical Report (TR) No.1 '069 ~

The:TR includes the=two volume contractor-(Precision l Surveillance'

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Corp.)-report entitled "15th Year Physical Surveillance of the Three Mile Island. Unit-1 Reactor-Building."'

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Our evaluations conclude that the test _and-inspection results demonstrate the TMI-l' Reactor Building post: tensioning system cis; in good condition and capable of performing its intended function 1

during-all design basisfevents.

The functional' capability: of the i

system remains within design limits andino abnormal relaxation of prestressing forces in the tendons has occurred.

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Sincerely, d

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ki 1-Vice President and Director,.TMI-1 a

Enclosure

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R. Hernan F. Young l

T. Martin J.

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GPU Nuclear Corporation is a subsidiary of General Pubiic'Uhhties Corporation

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