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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FOM 77- +2 2 g;
TEXAS UTil.lTIES GENEIMTING CmilnNY o s u.
2ononn is n m m o m July 18,1978 TXX-2859 4 J GAflY
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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 This is in response to your letter dated May d
detailed information on technical acceptability of pipe coun f ctur-in non-compliance with specified manu a prior to March 24, 1978, ing requirements.
i ts The Engineers specifications were developed to meet the req Addenda, as of the ASME Boiler & Pressure vessel Code, Summer 1976 i
The ASME Code well as to meet requirements for inservice inspe eptable stress intensification factors.
i ithin The Summer 1976 Addenda provides for a 2T transition reg on l
Since a 2T counter-which a 300 maximum alope may not be exceeded.
Engineer bore is desirable for purposes of inservice inspection, the h outside the maintained the same weld end configuration even thoug transition region.
i ers' Although the welds in question are not in accordance wi f the Code.
specification, they conform to the Summer 1 lds are 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. A. Gary T
RJG:dla 8708180319 870814 h IY PDR F01A WILLIAN87-428 PDR
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