ML20037B060

Requests Submittal,Within 45 Days of Receipt of Ltr of Application for Amend to License That Would Change Tech Specs to Conform W/Requirements Equivalent to Quad Cities

ML20037B060
Person / Time
Site:	Dresden, Quad Cities, Zion
Issue date:	07/09/1975
From:	Ziemann D Office of Nuclear Reactor Regulation
To:	Abel J COMMONWEALTH EDISON CO.
Shared Package
ML20037B061	List: ML20037B060 ML20037B063
References
NUDOCS 8009030763
Download: ML20037B060 (2)

Text

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D DISTRIBUTION Docket jm. 09 B75

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CRB #2 Reading KRGoller TJCarter n", yg

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DL?ie::lann PN0'Connor RMDiggs DELD Cor.:enucalth Edison Ccapany OISE (3)

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!;uc!. car Licensing Adrinistrator DElsenhut Loiling unter Reactors 6(2:> o c5h rest Office Box 767 O

Chicago, Illinois 00690 Centic:. en :

Ir. the su r.cr of 1975 a significant nte.Ser of hydraulic shoch suppressers (snubbers) were found to be inoperable at many reactor facilitics. The failures were caused by severe degradation of seal caterials and subsec,uent

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lechcre of hydraulic fluid. An extensive seal replacement progran has Lccn -

crrried cut which has significantly reduced the incidence of snubber feilurcs.

However, failurcs centinue to occur.

Cur review of snubber experience at reactor facilitics indicate n nect for technien1 specificctions requiring snubber operability cud surveillance.

-e ar.ve prepared : cdel technical specifications and bcscs unich will :

-ide adaitional assurance of satisfactory snubbcr performnce and reliability.

Technical Specificatiens based on this taodel were issued for.}urd Citics

' ;. A: cndrent :cs.14 cnd 10 to Docket.'ics. 50-254 nd 50

'C, Ycu era requested to submit within 45 days fror your rcccirt of this Ictter an applicatien for anendment to your license that Eculd chcn;c yccr technical specifications to be in conforcance with the requirerents equivalent to those issued for Quad Cities.

Sine.erely,

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Dennis L. Zie: ann

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