ML20027D508

Interim Deficiency Rept Re Questionable Heat Treatment of Small Bore Piping.Sample of Each of Four Heats Being Tested Using Destructive Exams

ML20027D508
Person / Time
Site:	Zimmer
Issue date:	10/25/1982
From:	Borgmann E CINCINNATI GAS & ELECTRIC CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, QA-2075, NUDOCS 8211040400
Download: ML20027D508 (2)

Text

m, -

THE CINCINNATI GAS & ELECTRIC COMPANY CINCINN ATI. OHIO 45201 October 25, 1982 QA-2075 C. A. BORGMANN SENIOR VICE PRESIDENT U. S. Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Attention: Mr. J. G. Keppler Regional Administrator RE: WM. H. ZIMMER NUCLEAR POWER STATION UNIT I 10CFR50.55(e) ITEM M-40, QUESTIONABLE HEAT TREATMENT OF PIPE, DOCKET N0. 50-358, CONSTRUCTION PERMIT NO. CPPR-88, W. O.

1. 57300, JOB E-5590, FILE NO. NRC-8, M-40 Gentlemen:

This letter constitutes an interim report concerning the subject condition, initially reported to the Commission as a potentially re-portable deficiency under 10CFR50.55(e).

As stated in our previous report, QA-1854, dated July 8,1982, approximately 2400' of small bore piping (SA106Gr. B), supplied to the 1 Zinner site by Mutual Manufacturing and Supply Company of Cincinnati, Ohio, and manufactured by Leland Tube Company of South Plainfield, N.J., is installed in various safety related systems in the plant.

During the course of documentation review, H. J. Kaiser Noncon-formance Report #E-4337 was generated which stated that required heat treatment for the subject pipe was not reported on the Certified Material Test Report (CMTR).

Sargent & Lundy (S&L) Specification H-2256, " Erection of Phase II Piping Systems and Mechanical Equipment", requires the subject piping to meet the fabrication requirements of S&L Specification H-2255,

" Fabricated Phase II Piping", which specifies the 1971 edition of Section III of the ASME Code with 1972 Winter Addenda. A review of the Code requirements found that heat treatment need not be described on the CMTR, rather, only heat treatments not performed were to be re-ported.

Henry J. Kaiser Company (HJK) Purchase Order #7070-23116, dated 8211040400 821025 O PDR ADOCK 05000358 S PDR NOV i 1E2

I Mr. J. G. Keppler Region III October 25, 1982 - QA-2075 Page #2 October 24, 1977, requires CMTR's for the subject piping to report data in accordance with ASME III, Paragraph NA-3766.4 (no year specified), however, contrary to the above referenced specification requirements, this paragraph does not appear in the Code until the Winter 1973 Addenda. In part, this paragraph requires the CMTR to include times and temperatures of heat treatments.

Section II of the 1971 edition of the ASME Code requires heat treatment for all SA106 material which was cold-drawn; hot finished material need not

-be heat treated. The piping cited in NR #E-4337, includes four different heats of material, CMTR's for two of these indicate that the material was cold-drawn while CMTR's for the remaining two do not specify to which process the pipe was manufactured. Attempts have been made to resolve this concern with the assistance of the vendor (Leland Tube), however, CG&E has learned that they are no longer in business.

Henry J. Kaiser Corrective Action Report (CAR) #180 was issued and the purchase order requirement was determined to be an erroneously stated re-quirement, therefore the associated CMTR's have been determined acceptable since they met the committed Code and Design Specification requirements, and the CMTR's certified that the material was fabricated in accordance with the requirements of SA106.

To add confidence to the actual quality of the pipe, a sample of each of the four heats is being tested using destructive examinations. This was originally expected to be completed by October 31, 1982, however, this work has been delayed and is now expected to be completed, with a final report submitted, by February 15, 1983.

We trust the above will be found acceptable as an interim report under 10CFR50.55(e).

Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY By E. A. BORGMANN SENIOR VICE PRESIDENT FKP:ec cc: NRC Office of Inspection & Enforcement Washington, D.C. 20555 NRC Senior Resident Inspector Attn: W. F. Christianson Zimmer Project Inspector Region III