ML20151A531

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Discusses Hydraulic Shock Suppressor (Snubber) Failures & Replacement Programs.Forwards Model Tech Specs,Providing Addl Assurance of Satisfactory Snubber Performance.Requests OL Amend to Conform W/Model Tech Specs Requirements
ML20151A531
Person / Time
Site: Yankee Rowe
Issue date: 06/30/1975
From: Purple R
Office of Nuclear Reactor Regulation
To: Andognini G
YANKEE ATOMIC ELECTRIC CO.
Shared Package
ML20151A535 List:
References
NUDOCS 8011030762
Download: ML20151A531 (2)


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DISTRIBUTION roci. t ro. K-29 Docket File NRC PDR' M 3 0'1975 tocal PDR

.. ORB #L Reading JRBuchanan Yarkee ? t onic Elect ric Conpany . TBAbernathy Ar;F: Sr. 0. Carl >ndornini../.ssistant -KRGoller to tM Vice President TJCarter 20 Ternpike Food SVarga h

j Lestboro, NassachusetIs 01Se1 RAPurple.

ABurger-T. Ce r.t lere n : .SMSheppard ACRS (14) 1 -OELD OISE(3) in tw mer:er of 1973 a si a,n i f ice r t numer of hydrro!ic s,ve, t

'iurf reccc rs ( u nubW re) . c r.* found to 'ce . i r ope rab le -2 L yr.ny reneter <l f ce ili t ics. The trilurn Nere coudc c by. severe dei radat ion ot

, y seal -at erictr. and subsecuoct leakape of hydraulic f Luid. An

_ e et dr siw neal replcceput prograr t> va heen cr rried out which J haa 'sicni(Icantly reduced the incidence of suubbsr faileros.

l rosev$, f ailures coat inue to occur.

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Our revieu 6f scutber errerience at reactor facilit les ind ic c t e s

. a r.ccd for-tochnicci sreci ticat ioca requirine snublict . po rebilit y and surve illence. Uc' have prepared codel technical speciticat ions ad cases s.hich will previde cddit ional assurance of sat isf act ,ry snu5her pertorrance and roliability. A copy of these specificalions is enclosed. Sicce these were not prepared explicitly for 'your plant, sore edit ing ray c'e neenssary in order 'to adapt them to the Yankee-Rouc Atonic iber stat ion cesign and -ne: enclature.

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You are renuested to suboit within 45 days f ron: your receipt of I this let ter an application ter arendr.cnt to your license that would chonce your technical specifications to be in conformance with the I requirecent s of the er. closed codel technient specificat ians. l

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--JI original signe by:

nus DOCUMENT C0tATAIMS Robert A. Purple P00RQUAUTYPAGES i oN rt A. Furplc. C M t .; '

fj Operating Reactor; Eranch il )

.!d - fivision of Lecctor ic t r,s i n g l

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Enclosure:

{j "edel Technical Specilicct ions Ei l cc w/ enclosure
See next ' page , ,

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80110107Q ' M '

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oan , 6/27/75; , ,_6/j$75 . , , , , , , , , , _

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Yankee Atomic Electric Company June 30, 1975 cc: Mr. Donald G. Allen, President

  • Yankee Atomic Electric Company .

20 Turnpike Road Westboro, Massachusetts 01581 Greenfield Public Library 402 hiain Street ,

Greenfield, .'.tassachucetts 01581 1

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