ML19210B384

Forwards Ring Girder Surveillance Per 711207 Rept on Containment Bldg Ring Girder Const & Repair & 720121 Addendum to Ring Girder Rept. Stresses in Reinforcing Bars Do Not Exceed Allowable Limits.W/O Encl

ML19210B384
Person / Time
Site:	Three Mile Island
Issue date:	11/12/1973
From:	John Miller METROPOLITAN EDISON CO.
To:	Giambusso A US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 7911070706
Download: ML19210B384 (2)

Text

AEC r DIBUTICN FOR PART 50 DOCKET PJ 'IAL

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(TEMPORARY FCPli) CONTROL NO: 8334 -

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FILE:

rR0ti: DATE OF DOC DATE REC'D LTR MEMO RPT OTHER

.ropolitan Edison Company

.eading, Pa. 19603 11-12-73 11-19-73 X J. G. Miller TO: ORIG CC OTIER SENT AEC PDR X A. Giambusso 1 signed SENT LOCAL PDR X CLASS UNCLASS PROP INFO INPUT NO CYS REC'D DOCKET NO:

XXXX 50 50-289 DESCRIPTICN: ENCLOSURES:

Ltr trans the following: REPORT: Reactor Building Ring Girder Surveillance Report ACKNOWLEDGED DO NOT EZJOVE PLANT NAME: Three Mile Island Unit 1 ( 1 Orig & 49 cys rec'd )

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METROPOLITAN EDISON COMPANY V

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POST OFFICE BOX 542 RE ADING, PENNSYLVANI A 19603 U2[ #

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' O I ig Mr. A. Giambusso ' dD, '

Deputy Director for Reactor Projects ( <p ( \\

Directorate of Licensing Office of Regulation q-- g, Q Qgg g

U.S. Atomic Energy Commission . - $#p /L 89 L.-

Washington, DC 20545 dc,,.4M <

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SUBJECT:

THREE MILE ISLAND NUCLEAR STATION

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DOCKET NO. 50-289

Dear Mr. Giambusso:

Enclosed please find fif ty (50) copies of the report entitled " Ring Girder Surveillance". This report is intended to provide you with complete information concerning our surveillance of the ring girder to date in fulfilling of previous commitments to you.

These commitments may be found in the following:

1. " Report on the Containment Building Ring Girder Construction and Repair," December 7, 1971.

Section 6:01.

2. " Addendum to the Ring Girder Report", January 21, 1972. Sections 2.0 and 3.0.

All observations indicate that the repaired ring girder has fulfilled the intended design function at the comolecion of full prestress. No cracks equal to or greater than 0.005 inches in width have been observed.

In no case do the stresses in the rinforcing bars being monitored by strain gages exceed the allowable tensile stress.

Very truly yours,

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.e J. G. Miller Vice President asb 1584 329 Enclosures I', U 3 i