ML20099G501

Forwards Results from Reinsp of Previously Inaccessible Structural Steel Joints.All Joints Structurally Sound & Required No Rework

ML20099G501
Person / Time
Site:	Wolf Creek
Issue date:	03/04/1985
From:	Koester G KANSAS GAS & ELECTRIC CO.
To:	Denise R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
KMLNRC-85-073, KMLNRC-85-73, NUDOCS 8503150003
Download: ML20099G501 (2)

Text

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i 9 KANSAS GAS AND ELECTRIC COMPANY t

l OLENN L MOESTER March'4, 1985 wtCE PmESeDth?

• kWCLE AR Mr. R.P. Denise, Director '

h kij (Q y Nblf Creek Task Force f"-

U.S. Nuclear Regulatory Comission l Region IV 611 Ryan Plaza Drive, Suite 1000 N'8$

Arlington, Texas 76011  :

M KMLNRC 85-073 Ret Docket No. SIN 50-482 Subj: Supplemental Information Concerning Structural Steel Welding

Dear Mr. Denise:

Attached are the results from the reinspection of previously inaccessible structural steel joints at Wolf Creek Generatirq Station. Please note that all joints were found to be structurally sound and required no rework. As a result of additional reinspections some of the nunbers presented by Kansas Gas and Electric Conpany in our February 27, 1985 meeting have now changed. The nunbers changed as follows:

Previous # New #

Total Joints 2670 2670 Inaccessible Joints 119 102 Joints reinspected 2551 2568 Inaccessible Joints 83 66 for which case-by-case evaluation was not made.

Please contact me or Mr. Otto Maynard of my staff if you have an additicmal questions concerning this matter.

Yours very truly,

/s Glenn L. Koester Vice President - Nuclear GM: dab xc: PO'Connor (2)

HBundy JCunnins 8503150003 850304 fj[

PDR G

ADOCK 05000482 PDR

[A i I 201 N. Market - WicNta, Kansas - Mail Address: Po. Box 208 i WicNta, Kansas 67201 - Telephone: Area Code (316) 261-6451

A;$achment to KMLNRC 85-073 Date 3/1/85 REINSPECTION STATUS OF STRUCTURAL STEEL CONNECTIONS PREVIOUSLY REPORTED AS INACCESSIBLE BUT NOT EMBEDDED IN CONCRETE REASON INITIALLY _

BUILDING JOINT NO. _ INACCESSIBLE COMMENT BECHTEL ENGR. DISPOSITION Auxiliary A670 ILRT Acceptable None Required Reactor R026 ILRT Acceptable None Required Reactor R027 ILRT Rejected-Overrun Use as is NCR ISN21767CW Reactor R028 ILRT Rejected-Overrun Use as is Configuration (Notch) in clip angle NCR ISN21767CW Reactor R029 ILRT Rejected-Overrun Use as is undersize NCR ISN21767CW Reactor R175 ILRT Acceptable None Required Reactor R176 ILRT Acceptable None Required Control C256 High Voltage Only 1/2 of each Evaluations Chaise / Wall joints could be made on access-Control C257 made accessible, sible portions but accessible of joints with portion was as- no credit for the built. Na NCR inaccessible portion.

required. Use-as-is.

Reactor RJ18 ILRT Acceptable None required Reactor RJ26 ILRT Acceptable None required Reactor RJ38 ILRT Acceptable None required Reactor RJ39 ILRT Acceptable None required Reactor RJ61 , ILRT Acceptable None required Reactor RJ62 ILRT Acceptable None required Reactor RJ71 ILRT Acceptable None required Reactor RJ72 ILRT Rejected Use-as-is Undercut >1/32"

<1/16" X 5/8" length NCR ISN21768CW L