ML20080D976
| 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 bU0 l l000 Mr. Uldis Potapovs 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, I/Y%
~
GC:cr1 Robert L. Parrin Vice President & General Manager HAYWARD TYLER PUMP COMPANY RLP/ gem Att.
8308300669 830722 PDR ADOCK 05000445 S
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' 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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