ML19220A878

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Evaluates BAW-10047,Revision 1, Study of Discontinuities in Control Rod Drive Motor Tube Extension. Criteria Provides Adequate Margin of Safety
ML19220A878
Person / Time
Site: Crane  Constellation icon.png
Issue date: 10/12/1972
From:
US ATOMIC ENERGY COMMISSION (AEC)
To:
Shared Package
ML19220A860 List:
References
NUDOCS 7904250057
Download: ML19220A878 (2)


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A :es:in; the Alliance Research Center and censurenents at and surveillance pro ;ran will also be implenenced cn One Of :he firs:

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2 pair or tuces un:.cn sncuec 2ncessive ciscontinu;. ties as.

n oeen accca-plished by hening the I.D., which is ?licu61e in accordance with AS:2 Ccde,Section III, Class 1 Cc ponents, paragraph :;3-2555 Sc e motor tube extensions have localized variations and some repaired tubes also had a wall thic'.cness belcw the Ccde-allouable thic:<.nass for a design condition of $50*y and 2500 psig. These tubes were re-evalu:ed on the basis of ' 50*F a.d 2500 psig, zhich is alicuabic by AS!2 Code,Section III, Class 1 Co::cnents, paragraph :G-3112.1.

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ating conditica was decernined by acc'. cup :es:ing and reasuremen: at Cconee 1.

Specialized ultrcsenic test inspection tecaniques have been developed to accurately define the depth of discon:inuities. Indicated discentinui:y 1..

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should be documen:ed by a revisicn or supple en: to this Tcpical Report.

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