ML20080D976

Followup Part 21 Rept Re Insp of Monel Shafts.Tests Will Be Conducted by Vendor on 830825 Using Encl Procedure 01-009-987

ML20080D976
Person / Time
Site:	Comanche Peak
Issue date:	07/22/1983
From:	Parrin R HAYWARD TYLER PUMP CO.
To:	Potapovs U NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
REF-PT21-83 NUDOCS 8308300669
Download: ML20080D976 (2)

Text

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Hayward Tyler PUMP COMPANY PO. Box 492 80 Industrial Parkway Burlington. Vt.05402 (802)863-2351 July 22, 1983 Mr. Uldis Potapovs bU0 l l000 United States Nuclear Regulatory Commission ~

y Region IV 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Subjects Testing of Monel Shafts

Dear Mr. Potapovs:

Please be advised that the Hayward Tyler Pump Company will be inspecting the monel shafts that were brought to NRC attention through a 10 CFR Part ?? Report on May 13, 1982. .

The tests will be conducted by Hayward Tyler personnel on August 25, 1983 using Procedure 01-009-987 (Attached) .

Please advise if you wish to be involved in this examination.

Very truly yours,

~

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GC:cr1 Robert L. Parrin Vice President & General Manager HAYWARD TYLER PUMP COMPANY RLP/ gem Att.

8308300669 830722 PDR ADOCK 05000445

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g . ' M Psocedure V: 01-009-987 y- o INSPECTION PROCEDURE FOR TEXAS UTILITIES MONEL SHAFTS - CONTRACT 0173-3911

1. Clean the shafts with acetone and scotch brite whero necessary to remove all surface contamination. -

2. Visually inspect. shafts for heat numbers and record position of any numbers.

3. Liquid penetrant examination of all accessible surfaces in accordance with Engineering Standard 7.0.4/1-1 Revision 8.

4. Record all indications even those within the acceptanco standard of 7.0.4/1-1.

5. If any stress cracking is picsont determine if it is permissible to climinate them by metal rcmoval, i.e. if in an area where machining would not affect part.

6. If matal removal is acceptabic, remove approximate 1g 0.005" from surface and repeat steps 1 to 4.

7. IE cracks remain continue operation 6 until the maximum machining limit is reached or the cracks arc completely removed.

8 Preparc report on existence, position and depth of any stress cracks.

9. Advise the NRC and rdlevant licencces of any corrective action necessary.

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