ML20085K181

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Provides Results of Insp of Drywell Snubbers on 740728.Four of 46 Snubbers Found Low on Fluid.Snubbers Filled
ML20085K181
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/01/1974
From: Stephenson B
COMMONWEALTH EDISON CO.
To: Oleary J
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085K183 List:
References
473-74, NUDOCS 8310200258
Download: ML20085K181 (1)


Text

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Comm zith Edis:n onal Plaza. CNcago. Ilhnois -

@' One Firs Acoress ly to: Post Omce Box 767 Chicago, Ilknois 60690 ,

BBS Ltr.f473-74 Dresden Nuclear Power Station 50-249 m. R. #1 l Morris, Illinois 60450 July 1,1974 '

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9 Mr. J. F. O' Leary, Director fdJUL121974b -

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. SURJECT: INSPECTION OF UNIT THREE DRWELL SHOCK SUPPRESSORS, DRESDEN NUCLEAR PO'aTR STATION.

Dear Mr. O' Leary:

This letter,is to report the results of the inspection of Dresden Station Unit 3 drywell snubbers. Since the unit was to be in the shutdown condition for greater than a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> period, a drywell snubber inspection was performed. On June 28, 1974, thirty-five drywell snubbers, eight turbine pipeway snubbers, and three isolation condenser snubbers were inspected.

Of the 46 total snubbers, only four were found to be low on fluid. All four of the snubbers low on fluid were located inside the drywell. Of

the four inw on fin ui; nana vara enn e t n a van ea ha 4. a,~ ra hla. Th- f ~. r low snubbers were filled to their proper level prior to startup of the unit.

Sincerely, p

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. B. S, e'phenson -

Superintendent  ;

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