ML19325C925

Submits Corrected Wording to Encl to Supporting 10CFR50,App J Exemption to Allow Leak Chase Plugging During Integrated Leak Rate Test

ML19325C925
Person / Time
Site:	Callaway
Issue date:	10/04/1989
From:	Schnell D UNION ELECTRIC CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ULNRC-2088, NUDOCS 8910180123
Download: ML19325C925 (3)

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, Post Otta Box 149:

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October;?4,'1989 Mfjf4

'43 U S... Nuclear? Regulatory. Commission v

Attnt. Document Control Desk Mail Station Pl-137 a-Washington, D.C.

20555 ULNRC-2088 o

m, Gentlemen:-

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DOCKET NO. 50-483 CALLAWAY PLANT INTERPRETATION TO-LEAVE LEAK CHASES i,

PLUGGED DURING AN INTEGRATED p"

LEAK' RATE TEST (ILRT)

Reference:

ULNRC-2083, dated September 29, 1989 s

The referenced letter provided information to support:

a-10CFR50, App. T exemption to allow leaving the' leak chases.

plugged'during'a Type A ILRT.. However, 'there was an-error on1Page 2 of the attachment (Page 2 off6, first:.,

should-read:

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The corrected wordin; (as, underlined) complete, paragraph).

s In regard ~'to meeting the requirements of CC-2000 and 4000;;the containment liner was constructed to:the.

1974 code-(Division 1,. subsection NE)..Section NE-2000 is the same for welding material requirements with.the-exception that further restrictions on the use'of electro--

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'slagsweldingEis introduced in the CC subsection.

This type of welding was not used on Callaway's liner and is therefore not.an issue.

The requirements' imposed by U

subsection CC-2000 for material certification and material

. testing of the-weld rods cannot be verified since there.

is'no safety related documentation for the non-safety:

'related welds.

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We regret any inconveniences to the staff that this-

error,may'have caused in-their review of our exemption request.

If you have any questions, please contact us.

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Dona F.

Schnell WEK/skh fol7 t

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C.' Knop Chief, Reactor Project Branch 1 U.S.

Nuclear Regulatory Commission

. Region III 799' Roosevelt Road LGlen'Ellyni Illinois 60137 Bruce Little Callaway1 Resident Office' U.S. Nuclear 1 Regulatory Commission RR#1' Steedman, Missouri ~65077 Tom Alexion (2)

Office of Nuclear-Reactor Regulation

'U.S.

Nuclear Regulatory Commission 1 White Flint, North, Mail Stop 13E21

.ll5551Rockville Pike Rocky.ille, MD 20852-t lManagerf Electric Department.

Missouri'Public Service Commission P.O. Box'360

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