ML20037A599
| ML20037A599 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 12/07/1977 |
| From: | Shao L Office of Nuclear Reactor Regulation |
| To: | Goller K Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8003160041 | |
| Download: ML20037A599 (2) | |
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MCMOR M M FOR:
X. Galler, Assistant Director for Operating Reactors Division of Operating Reactors' FROM:
L. C3 Shao,. Chief. Engineering Branch Division of Operating Reactors c
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SUBJECT:
'CRYSTALRIVERUNITf3(50-3b2)REhdESTBYFLORIDA
.F0WER CORPOPATION TO CHNIGE T!!E TECICi1 CAL SPECIFICATION SECTION 4.6.1.6.1; CONTAIN' TENT TENDONS. LETTER TO THE DIRECTOR, 0FFICS ONLEAR e;Irna REcutATIO.'t, -
' U.S.N.R.C. FROM H. P. STEWART. DATED M0'IEMBER 21, 1977
- Plant ?;am: Crystcl' River Unit 93
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Licensee: Florida Powr Corporation Occkat M ace: 50-302 itcquer.tu Ccmiction Date:.(vwtelly) Mvember 30, ?977 Rascen;gnia 3ranca a Project hmger:
0,m N; R. U. 2cid, C. C. Melsen Oooraticcal Technolo v Branch Involycd: Engineering Scanch Descrip^ien of Ta:L: Provide Safety Evaluatten to OR:" on Licensev s request dated November C1,1977 trecuest #13)
- for amending the Operdng License i GPR-72.
The request change involves Sxtion a.G.1.6.1 ;
Containment TeMons, of Techmeal Specification ITE #7isd)
In response to your.verbat technical assistance request the Sectica 0 of the Sqineertag Cranch, Division of Operating P.eactors has reviewed the tafor.;:ation cited abcVe, provided by the Licensee.
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Reason for Propo::ed Change.
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, _ ~ The Licensee states that this change to Section 4.6.1.6.1 Containment" 7
~. ". Tendons of the CR/31 Technical: Specifications isL ueeded to provide -
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additional detail to the sdrveillance requirements inl order'to better:
l define how the structure 1 integrity of the tendons will be demonstrated.
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This oroposed change will also corract several errorstin'the~present wording of Specification;4.6.1.5.1 as well as incorporate, to the extent:
possible, new tiRC changes to the Def Standard Specifications.i The =
.. Justification for the.speciffe changes to:Section 4.6'.l.6.1 i. presented-l "r
in the cocur: ant cited above. -Because of the delaninatien in the doce,
_ additional visual inspection _is provided.
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J We concur with the Licensee's request. Our concurretice is contingent"
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O y 'upen the' following:.3. _
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- 1. The report'should include the rmmber of " effective" wires in.
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tendons which have been tested, the definition of " effective"
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wire and the method used for their determination.
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The report should aiso include the lift-off forces on each tested tendon.:
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. criteria set forth in the _ Technical Specification, a discussion by the licensee should be provided as to the significance of the observed deviations.
The luensee should be meninded that the tenMn surveillance should be in accordance with the R.G.1.35 and that the basic element to be checked is the tenden. The wires are used only to centrol eventual corrosion and other possible degradation of the sterial.
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