ML20037A598
| ML20037A598 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 11/07/1977 |
| From: | Shao L Office of Nuclear Reactor Regulation |
| To: | Goller K Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8003160040 | |
| Download: ML20037A598 (2) | |
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- MEMORANDU:1 FOR:
K. Galler, Assistant Director for Operating Reactors Division of Operating Reactors FROM:-
L. C. Shao, Chief. Engineering Branch
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SUBJECT:
- 1 CRYSTAL RIVER. UNIT #3 (50-302) REQUEST BY FLORIut c ' ': POWER CORPORATION TO SUGSTITUTE A CERTAIft fGiBER OF
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TENDOMS FOR THOSE ORIGIMLLY SELECTED FOR TESTING' (LETTER TO R. W. REID (ORBi4) FRCH W.
P.. STEWARD DATED OCTOBER 17,1977)
Planc Nane:. Crystal. River Unit #3,
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Licensee: Florida Power Corporation Docket Humbar: 50-332 Reque:ted Cetpletion Cate:
(verhally) Oct.cter 31, M77 Responsibic Branch a~ Pro.fect Manager: ORD d4; R. '.i. Sid, C. C. Mol. ion 0;;crational Technoicgy Granch Invohed:
Engincuriu ; Cranch Description of Task:
Provice Safety Evaluatien to 05.1 en Licenm's mouest dated 10/17/77 c.: substitur. a carmin ncmber-of tendons for those originally selected r'or testing in.accordance tritn R w. Guice 1.35-(TACSc: Nene)
In response to ycur vartal tcchnical assistance rcquast the Secticn S of the Engineering Granch, Division ~ of Operating Reactors ius reviewed the information cited ebove, provided by the Licensec. Ma also examined for tendon-locations, the following drawings:
81/2" X'11" sketch showing the~ location of vertical tendons (not signed and not dated) _ :
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- Thdicensee based h4 rhuest on his: desire to avoid.anyLsafety hazard '
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ito Wrkmen perfomic9 theitendoisurveillance near stehm vents, shile
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The beersec'd'insidered the~ follcwing solutions tc'the' hazard problem:
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Delay th6 t'endon inspection until the' first ' refueling outage.
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- '. $2. t Perfcts a" selective tendon i'nspection rather than a randon inspection ~
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. e 4ents? Actually th'is' suggestion does~'not negate the randomness
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?requirament~ of Reg.. Guide 1.35.- 'It only slightly decreases.the "tentfen population, to which the random selection is applied.
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Inspectithalte?? dons not in the area of the cain staan vents in NoWmber 1977 'ar.d ir,spect the tendor>4 Meer the steam verits during tne ff r:,t reffling cutage.
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It is felt t!5at alterrative % ' selective # er%n inspactbn. is t
croferable fcr the fir t teah if,0pection pt CR !!3 ia'.ihksar 1977.
Ne fec G hat th d endon substitute:9 m cpwed by tne'lHersee.
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2.' ' Nt there is mswinble assuran~ :nat cae nealth and safety of the gublic will r.ck M cndingered by ttw requested substitutions.
w We therefore cchhar with. the licens'ee's rNns;.
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In order to increan thc Ni::hility of the tendon test fcu'ts,we
.roccamend that the wires removed from the tendons, As; required by Reg. Guide 1.35,- for-inspection andstestingsbe. sclected frod" tendons s
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r L. Cb Shac, Chief Enoineerina Branch 01visich of Operating Reactors,
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