ML20210H012

Change Notice 2 to Rev 2 to Instruction QI-070, Reinsp of Tubing Welds/Matl

ML20210H012
Person / Time
Site:	Comanche Peak
Issue date:	09/26/1986
From:	Beard J, Patterson A EVALUATION RESEARCH CORP.
To:
Shared Package
ML20210F162	List: ML20210F268 ML20210F328 ML20210F463 ML20210G087 ML20210G139 ML20210G203 ML20210G255 ML20210G315 ML20210G361 ML20210G445 ML20210G544 ML20210G583 ML20210G621 ML20210G645 ML20210G690 ML20210G712 ML20210G875 ML20210G892 ML20210G939 ML20210G960 ML20210G983 ML20210H012 ML20210H067 ML20210H070 ML20210H182 ML20210H239 ML20210H301 ML20210H354 ML20210H393 ML20210H432 ML20210H457 ML20210H484 ML20210H523 ML20210H584 ML20210H604 ML20210H636 ML20210H662 ML20210H703 ML20210H754 ML20210H775 ML20210H787 ML20210H798 ML20210H822 ML20210K794 TXX-6237, Forwards Revs to Comanche Peak Steam Electric Station Manuals
References
QI-070-02, QI-70-2, NUDOCS 8702110366
Download: ML20210H012 (3)

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Y EVALUATION RESEARCH CORPORATION COMANCHE PEAK RESPONSE TEAR QUALITY INSTRUCTION FOR ISSUE-SPECIFIC ACTION PLAN ISAP VII.c CHANGE NOTICE 002 INSTRUCTION NO: QI-070 REVISION NO:

2 ISSUE DATE: 09/26/86 REINSPECTION OF TUBING WELDS / MATERIAL The QI identified above is hereby changed as shown on the attached page of this notice.

Prepared by:

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Approved by:

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Issue Coordinator 9/25/gg Approved by:

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8702110366 870126 PDR ADOCK 05000445 A

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On page 4, Section 5.0, change Attribute 1.c " Weld Size" to read as follows:

• Tubing Other Than the Incore Detector Tubing For tubing 1/2 inch diameter and less, the required minimum weld size is 1.09 times the nominal thickness of'the tube. Use the following table for the required weld sizes.

REQUIRED NOMINAL TUBE PROCURED WALL MINIMUM WELD SIZE THICKNESS '

SIZES 1/4"

.049"

.053" (1/16) 3/8"

.049"

.053". (1/16) 1/2"

.065"

.071" (5/64) 2.

On page 4. Section 5.0, change Attribute 1.d " Undercut" to read as follows:

Verify that there are no weld undercuts which exceed a depth greater than that tabulated on Attachment 6.2 (Allowable Defect Depth Tables "A" & "B")

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QI-070 Rev. 2 Page 1 of 1 ALLOWABLE DEFECT DEPTH TABLE "A" l

NOMINAL TUBE PROCURED WALL humiTri WALL ALLOWABLE SIZE THICKNESS TRICENESS DEFECT DEFTH l

i 1/4"

.049"

.035"

.C14" 3/8"

.049"

.035"

.014"

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1/2"

.065"

.035"

.030" l.

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O ALLOWABLE DEFECT DEPTE TABLE "B" (Incore Detector Tubing / Botton Mounted Instrumentation)

IUBE SIZE FEia.uazu WALL nu mun WALL ALLOWABLE (0.D.)

TRICENESS TRICIEESS DEFECT DEPTE

• .99 (1")

.240"

.220"

.020" This is 3/4" nominal sFeetal (.240e.024" c.

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