ML20204F944

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Forwards Addl Info Re Containment Pressure Boundary Fracture Toughness,In Response to NRC .W/Four Oversize Drawings.Aperture Cards Are Available in PDR
ML20204F944
Person / Time
Site: Catawba  Duke Energy icon.png
Issue date: 06/03/1982
From: Parker W
DUKE POWER CO.
To: Adensam E, Harold Denton
Office of Nuclear Reactor Regulation
Shared Package
ML20204F949 List:
References
NUDOCS 8305020326
Download: ML20204F944 (2)


Text

F DUKE POWER COMPANY Powra 13camixo 402 Sourn Gnuacu Srneer, Cruumire. N. C. ana4a WI L LI AM O. PA R M E R. J R.

v.c,e....or , June 3, 1982 tctc -o c:^ ca 7o4 Strans PaoowcTion 373-4083 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Ms. E. G. Adensam, Chief Licensing Branch No. 4 Re: Catawba Nuclear Station Docket Nos. 50-413 and 50-414

Dear Mr. Denton:

Elinor G. Adensam's letter of May 4,1982 requested additional information in regards to containment pressure boundary fracture toughness. Attached is Duke Power Company's response.

Very truly yours, n _- 6

)

William 0. Parker, Jr.

ROS/php Attachment cc: Mr. J. P. O'Reilly Mr. P. K. Van Doorn Mr. R. Guild Palmetto Alliance Mr. J. L. Riley Mr. H. A. Presler i:

col $ actShlo 8305020326 820603 A

  1. 7g,MS/C PDR ADDCK 05000413 A PDR

O *O

. CATAWBA NUCLEAR STATION CONTAINMENT PRESSURE B0UNDARY FRACTURE TOUGHNESS DATA

1) Fabrication Code a) Containment Vessel Plate: ASME Code 1971 Edition through Summer 1972 addenda, Subsection NE, paragraph NE-2350 b) Containment Vessel Welds: ASME Code (as above), Subsection NE, paragraph NE-4335 c) Personnel Locks: ASME Code (as above), Subsection NE, paragraph 2350 d) Equipment Hatch: ASME Code (as above), Subsection NE, paragraph NE-2300 e) Piping Penetrations: ASME Code 1974 Edition through Summer 1974 addenda, Subsection NC, paragraph NC-2311
2) Materials Test Data: In storage at the Catawba site *
3) Lowest Service Metal Temperatures Item Specification Actual Charpy Test U U Containment plates OF 49 F -30 F-Containment welds 10 49 -20 Personnel Locks 48 49 18 Equipment Hatch 0 49 -30 Piping Penetrations (stubends) 10 49 -30
4) As-Built Information for Flued Heads This data is given on the following drawings.

Penetration Drawing Type I CNM-1206.00-0010 Type II CNM-1206.00-0011 Type III Ser 1 CNM-1206.00-0012 Type III Ser. 3 CNM-1206.00-0048 d