ML19320B523
| ML19320B523 | |
| Person / Time | |
|---|---|
| Site: | Maine Yankee |
| Issue date: | 07/01/1980 |
| From: | Moody D Maine Yankee |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEB-80-08, IEB-80-8, NUDOCS 8007140403 | |
| Download: ML19320B523 (2) | |
Text
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ENGINEERING OFFICE WESTBORO, MASSACHUS ETTS 01581 617-366-9011 NRR-W2sh. (w/Prin
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I&E, Harold Thornburgh(w/ print)
B.4.1.1 C. D. Frizzle-2 (w/ print)
WMY 80-102 R. P. Benson (w/ print)
E. W. Jackson (w/ print)
July 1, 1980 D. E. Moody (w/ print)
J. R. Hoffman E. C. Wood (w/ print)
R. H. Groce(w/ print)
Chreno LicencingE11%d g[fpgQar Regulatory Commission C
JET Office of Inspection and Enforcement DEV/W7J/ Region I AK 631 Park Avenue DWE/JHM King of Prussia, Pennsylvania 19406 LHH EWJ Attention:
Mr. Boyce H. Grier, Director JGR RPS
References:
(a) License No. DPR-36 (Docket No. 50-309)
PAB (b) USNRC Letter to MYAPC, dated April 7, 1980; DBP-2 IE Bulletin No. 80-08 JDC/GMS/ JCT /AH HAA
Subject:
Response to IE Bulletin No. 80-08, " Examination of Containment Liner JAM Penetration Welds" PSL
Dear Sir:
Yo r letter, Reference (b) revealed that certain non-destructive examinations performed on primary piping containment penetration flued head to outer sleeve welds did not satisfy the applicable ASME Boiler and Pressure Vessel Code requirements.
In response to the licensee action delineated in the subject bulletin, Maine Yankee is providing the following information.
Item 1 Deterinine if your fac ility contains the flued head design for penetration connections, or other designs with containment boundary butt weld (s) htween the penetration sleeve and process piping as illustrated in Figure NE 1120-1, Winter 1975 Addenda to the 1974 and later editions of the ASME B&PV Code.
Response Maine Yankee does use the flued head, or other similar designs for penetration connections with containment boundary butt velds.
AOO/
l Item 2 If an af firmative answer is reached for Item 1, determine the l
following:
Applicability of the ASME Code including year and addenda
//
a.
and/or Regulatory Guide 1.19, SinD G-. / is T62A (hfA b 98C Tl/er.//eO/M son n903
Unitcd Statas Nuc1ccr Regulctery C:mmission July 1, 1980 Attention:
Mr. Boyce H. Grier Page 2
Response
The 1968 Edition of the ASME Code,Section III Class B, applied to the fabri.ation and installation of the containment penetration at Maine Yankee.
b.
Type of non-destructive examinacions performed dur;ing construction,
Response
Liquid penetrant examinations were performed on the containment boundary butt welds, pursuant to the Grover Tank and Manufacturing Company Specifications ~.
Type 'of weld joint (including pipe material and size) and c.
whether or not backing bars were used,
Response
The enclosed prints 11550-FV-1G and IJ delineate the type of weld joint, including pipe material and size. Backing bars (or rings) were used in these welds.
d.
Results of construction non-destructive examinations, i.e.,
if repairs were required, this should be identified including extent of repairs and description of defects encountered during repair, if known.
Response
Records are not available at Maine Yankee which would indicate if any containment penetration weld repairs were required during construction.
Item 3 For those facilities committed during constructio : to perform volumetric examination of such penetrations throv;h SAR commitmente which have not performed radiography, justify not perfo rming radiography or submit plans and schedules for peeforming radiographic examinations.
Re spons e This item is not applicable to Maine Yankee.
We trust this information is satisfactory; however, should you desire additional it. formation, please contact us.
Very truly yours, MAINE YANKEE ATOMIC POWER COMPANY D. E. Moody Manager of Operations RHG/ncj
.