ML17252A840

Quad-Cities - Recirculation Piping Repair Program

ML17252A840
Person / Time
Site:	Dresden, Quad Cities
Issue date:	01/03/1975
From:	Abel J Commonwealth Edison Co
To:	Case E Office of Nuclear Reactor Regulation
References
Download: ML17252A840 (1)

Text

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J.f.UlUIU:Y 3, 1975 Mr. Ed.son o. *case Ac~ing Direct.or*: *

• Directorate of Licensin<J Of fie& of l\\"'9Ulat:l.on *...

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• U.S. Atomic Bnerqy Commiaei

• Washington, D. c.

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Proqram, oeai Mr.. case r

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As discussed 11\\ tnY letter -tp you dat,ed. t>Goem.bor 27, 1974,*

Q\\lad-Ci.t.tes Unit l and Dresden Unit**. 3 will 'be l"etaOved *from *Gervio<<a January 10,. 1975 and*. January 17, ** 1975 respeetd.vel.y. to. inspect four- *_ *.. -. *.*

(4) *~h diall\\eter ~eactOX' water recirC\\llation pump 4isoh&rge valve

• bypasa pipin9.

• If* as a i:-eeul.t of. tliese *i~spections it* is necessaJ:y,

• at the time,. to r$place the piping *:'between"'"the f(>ur-*inc:b mass valve ~d the 4 x 29. 'inch weld~l~1:.. on the discharge side of the pump discharc;ie val"e~***it.is planned:*-_to use. the* repair pr~ram 4e~

scribed in a submittal dated :September. 18, 1974

• tor Dresden Unit "2 (ABC* D"~ S0-237) and *app~oved *in ~ndment; ao:*.. 3 to ?.R~J&.. dated September 2.7, 1974.

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. The repair p.rograiit desct*ibed, in. the ~eferenced oubnittal

. is essentially a Wl!nt~na.~e p~oced\\\\?e..... No. Teobni.cal *s~eitieatton

• Chanqea are irlvolv&d &.nd 0 10CFR50.S9 does not 'cover the.;qu'tst10n.

clearly~ However, Commonwealth Edison 'be1iovee *the. spb'tt ot*;

• l.OCFR.S0.59 su99este that matter$ such ae thia one should 'be brwcaht *

.to th~ attention Of t.he ABC in a timely maMer* for review by *the.

Staff *. We expect that the :review will confirm c0mmonwea:lth £4.lson

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judgment that no ~eal consideration of inoreased. risk** is irivol'{ed.~*.

Use Of the proposed rePair proqram.at I>:r:esden tlftit 3 and Quad-Cl.ties

'. Unit l will be withheld pe~dint yo~.&pprQYe.l'*

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• Both the Onsite and Offsi*te Review f\\inotions* foi: J>resden and Quad-Cities stations have approved this submittal~

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,,... review.

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One signed oritainal and 59\\:iop!ee 'are a~tte4 for your,;

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fl~ s. Abel.

.Uoleu. Liotnaino Adniiniettator.. *

• _.BQ11.tnq water Reactorra

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