TXX-2859, Responds to NRC Re Violations Noted in Insp Repts 50-445/78-05 & 50-446/78-05.Technical Acceptability of Pipe Discussed.Subj Welds Met ASME Boiler & Pressure Vessel Code, Summer 1976 Addenda Requirements

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Responds to NRC Re Violations Noted in Insp Repts 50-445/78-05 & 50-446/78-05.Technical Acceptability of Pipe Discussed.Subj Welds Met ASME Boiler & Pressure Vessel Code, Summer 1976 Addenda Requirements
ML20237J749
Person / Time
Site: Comanche Peak, 05000000
Issue date: 07/18/1978
From: Gary R
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Seidle W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
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ML20237J513 List:
References
FOIA-87-428 TXX-2859, NUDOCS 8708180319
Download: ML20237J749 (1)


Text

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FOM 77- +2 2 g; TEXAS UTil.lTIES GENEIMTING CmilnNY 2ononn is n m m o m o s u. "

July 18,1978 TXX-2859 4 J GAflY

" '.? 2 ll:'

Mr. W. C. Seidle Reactor Construction and Engineering Support Branch U. S. Nuclear Regulatory Commission Office of Inspection & Enforcement Docket Nos. 50-445/Rpt. 78-05 611 Ryan Plaza Dr., Suite 1000 50-446/Rpt. 78-05 Arlington, Texas 76011 COMANCHE PEAK STEAM ELECTRIC STATION MW INSTALLATION 1981-83 2300 SUPPLEMENTAL RESPONSE TO NRC INSPECTION REPORT NO. 78-05 FILE NO. 10130

Dear Mr. Seidle:

12, 1978, relative to d This is in response to your letter dated May detailed information on technical in non-compliance acceptability with specified manu a of pipe coun f ctur-prior to March 24, 1978, ing requirements. i ts The Engineers specifications were developed Addenda, to asmeet the req of the ASME Boiler & Pressure vessel Code, i Summer The ASME Code eptable 1976 well as to meet requirements for inservice inspe stress intensification factors. i ithin l The Summer 1976 Addenda providesSince for aa 2T transition 2T counter-Engineer reg on which a 300 maximum alope may not be exceeded.

bore is desirable for purposes of inservice inspection, h outside the the maintained the same weld end configuration even thoug transition region. i ers' Although the welds in question are not inf the accordance Code.

lds are wi specification, they conform to the Summer 1 technically acceptable. i g tools ,

Since the Constructor has already remachined the counterbo the specification will not be changed.

allowed accepting the welds in question.

Very truly yours,

- .4 R. AT . Gary RJG:dla 8708180319 870814 PDR F01A h IY WILLIAN87-428 PDR

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