ML19329D662
| ML19329D662 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 03/22/1976 |
| From: | Knight J Office of Nuclear Reactor Regulation |
| To: | Butler W Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8003160285 | |
| Download: ML19329D662 (1) | |
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r W. R. Butler, Chief Light Water Reactora Branch-4'
-Division of Project Management.
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Subject:
f Y1ow Induced Vibration Tests of.Reactoh Tdternals on' Crystal' 5
River' Unit 3 - Docket No. 50-30L*'
-a-1 At the request of Mr. ' Leon Englo',~ the Mechanical Engineering Branch,
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Division'of Systerna Safety has evaluated the Crystal River Unit 3 applicant's request to perforn pre-operational ficv-induced vibration testa of. reactor internals by using caly three of the four reactor coolaut puupa.
Position D.1 of URC Regulatory Guide 1.20 states " reactor internals important to anfoty should be subjected during the pra-operational functional testing pro;;ran to all significant' flow modes of normal reactor operation and sender the enco test conditinas b.po9ed on the pratetyp< dcsign.shcsc vibration c.n 1yci: ud testa hr.va. been acen;:tec and approved." ne Kr:3 is of the crinica that to catisfy the above guidelinu, all fc.,ur reactor t.colant pu.npa.mvu to be utilizcf. in various combinations of fica codes of operation mi.'
transients to ce..o. the al.1 critical re.v.ror internals are cubjectal to the coa.t cevr re
- forcing f unctions that could cccur during the more critical nodes of rector operatioon.
. James P. Knight, Chief Mechanical Engineering Dranch Divisica of Syste.u Safety
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