ML20003H860
| ML20003H860 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 04/28/1981 |
| From: | Barker N GILBERT/COMMONWEALTH, INC. (FORMERLY GILBERT ASSOCIAT |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| REF-PT21-81-416-000 PT21-81-416, PT21-81-416-000, NUDOCS 8105080074 | |
| Download: ML20003H860 (4) | |
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?RELIMItMRY EVALUATION 0.: THE' ATTACHED REPORT I?OICATES LEAD FO' LO'efJ? AS SH3'rN BELOW:
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"OO Gilbert / Commonwealth engineers one consuitants GILBERT ASSOCIATES, INC P. O. Box 1498. Readog, PA 19603/Tel 215-US 2600/Cah!p Gdasoc/ Telex 836-431
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Apr11 28, 1981 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 Attention:
Mr. Boyce H. Grier, Director Re:
Reportable Defect - 10CFR21 Containment Penetration Anchor Plates
Dear Mr. Grier:
This documents a telephone call made to Mr. A. Finkel, Electrical Section Chief, Region I, at 11:52 A.M. on April 24, 1981.
Name of Individual Who Reported Mr. N. R. Barker, Vice President and General Manager of the Quality Assurance Division of Gilbert / Commonwealth at the above address.
Facility Involved Perry Nuclear Power Project, Units 1 and 2, being constructed by the Cleve-land Electric Illuminating Company.
Components Involved i
Mechanical penetration attachment plates.
See Attachment I for the specific penetrations involved.
The attachment plates were furnished by Pullman Power Products, Williamsport, Pennsylvania.
Nature of Defect / Failure to Comply Anchor and barrier plates, which attach piping to the Class MC containment penetration sleeves, were not impact tested or normalized (depending on thicknest.) as required by the ASME. Code,Section III, Subsection NE, paragraph 4431. The piping procurement specification, SP-527-4549-00, Rev.
IX, prersred by Gilbert, Associates, Inc. (GAI), did not require impact testing for Safety Class 2 and 3 piping and component support materials, except where 52s uus= Am. mm pa uorgrte.r. scas w # as. Sans pa n m2sm 2CS [451 Wa$fv;'."A 4e48.4 Jd5&A Mi $17 753 C C E.r.3 $7811, bee 43r, M M 432-64M
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,f Gilbert /Cimmonwealth wramusu Mr. Boyca H Griar can acsecan ec. p o e um n, n ww mmemo r c w.asa April 28, 1981 Page two-specified on th'e design drawings.
The design drawings furnished by GAI to
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the fabricator specified fabrication to Section Ill but did not specifically state that impact testing was to be performed and did not include the service temperature.
Brittle failure of the a.nchor plates under. postulated accident conditions could result in potential off-site exposures exceeding allowable limits. This represents a failure to comply with 10CFR50, Appendix A, Criterion 51.
Date Information Obtained Results of the GAI investigation of the problem were presented to. the QA Division General Fbnager on the morning of April 24, 1981.
Corrective Action The fabricator was directed to identify the heat numbers for anchor plates and barrier plates which they had furnished.
Impact tests were run on all eleven heats. Results of the impact tests showed that four of these heats were unsatisfactory.
5 Piping assemblies containing anchor plates made from the unacceptable heats are being returned to the fabricator.
The assenblies will be repaired or replaced using plate material from acceptable heats. These assemblies are shown on Attachment 1.
Barrier plates with improper heat treatment or in-adequate impact properties are also being replaced on the listed assemblies.
Completion of the installation of the corrected assemblies will be accomplished by August 31, 1981 for Unit I and December 31, 1982 for Unit 2.
It has been determined that appropriate impact testing has been performed i
for all other Perry penetrations.
In addition, a review has been made of all other gal design projects.
It has been determined that a similar problem does not exist on those projects.
Specification SP-527-4549-00 has been revised (Rev. XI, dated April 8, 1981) to specifically address the material requirements for the assemblies.
The revised specification will be issued by June 30, 1981.
To prevent recurrence of this problem, the Mechanical Department Manager will issue an instruction to department personnel by June 1,1981.
Additional Information Since GAI does not know whether mat'erial from the affected heats has been incorrectly applied on projects other than our own, we are forwarding a copy of this report to the fabricator, Pullman Power Products.
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=aw-Mr. Bcyce R. Grier aan assccca sc., e n. v % es mm w rs mam t=< s= w un April 28, 1981 Page three
_ If you require any' further information on this matter, please contact me at (215) 775-2600, extension 2285.
Very truly yours,
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N. R. Barker Vice President and General Manager Quality Assurance Division NRB:ldk CC:
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Lorenz T. M. Demers W. B. Shields V. Stello - USNRC,. Office of Inspection & Enforcement, Washington, D.C.
20555 (3 copies) i J. Cole =an - Pullman Power-Products J. Johns
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-o ATTACHME!G.I PERW t i2 CONTAINMENT PEr#~LTION ANCHOR PLATES WIDI DEFICIENT IMPACT PROPERTIES UNIT 1 Pen. No.
GAI Dwg.
Material Heat No.
- P104 B-312-648 SA516, Gr. 70 89524-26
- P105 B-312-632 SA516, Gr. 70 87339-67 P108 B-312-632 SA516, Gr. 70 401K2511
- P109 B-312-632 SA516, Gr. 70 87303,
- P111 B-312-632 SA516, Gr. 70 87303-67 P114-2 B-312-638 SA516, Gr. 70 401K2511
- P120 B-312-632 SA516, Gr. 70 87303-67 P208-2 B-312-638 SA516, Gr. 70 401K2511
- P302
.B-312-643 SA516, Gr. 70 89524-'26 P310 B-312-633 SA516, Gr. 70 40lK2511 P311 E-312-633 SA516, Gr. 70 40lK2511 P404 B-312-633 SA516, Gr. 70 401K2511 P405 B-312-633 SA516, Gr. 70 401K2511
- P407 B-312-632 SA516, Gr. 70 87339-67 P408 B-312-632 SA516, Gr. 70 40lK2511 P409 B-312-632 SA516, Gr. 70 401K2511 P428-2 B-312-638 SA516, Gr. 70 401K2511 P436-2 B-312-638 SA516, Gr. 70 40lK2511
- Pil7 B-312-648 SA516, Gr. 70 89524-26
- P406 B-312-632 SA516, Gr. 70 89524-26 UNIT 2 P104
/ B-362-633 SA516, Gr. 70 40lK2511 P105 B-362-633 SA516, Gr. 70 40lK2511 P106 B-362-632 SA516, Gr. 70 87339-67
- P107 B-362-648 SA516, Gr. 70 89524-26 P121-2 B-362-638 SA516, Gr. 70 401K2511 P122-2 B-362-638 SA516, Gr. 70 401K2511 P201 B-362-633 SA516, Gr. 70 401K2511 P202 B-362-633 SA516, Gr. 70.
40lK2511
- P211 B-362-643 SA516, Gr. 70 39524-26 P309-2 B-362-638 SA516, Gr. 70 401K2511 P404 B-362-632 SA516, Gr. 70 401K2511 P405 B-362-632 SA516, Gr. 70 401K2511 P409 B-362-632 SAS16, Cr. 70 40lK2511 P416-2 B-362-638 SA516, Gr. 70 401K2511
'P424 B-362-632 SA516, Gr. 70 401K2511 P426 B-362-632 SA516, Gr. 70 87303-67
- P428 B-362-632 SA516, Gr. 70 87303-67
=P127 B-362-645 SA516, Gr. 70 89524-26
- P128 B-362-645
'S A516, Gr. 70 89524-26
- P427 B-362-632 SA516, Gr. 70 89524-26' Only barrier plate requires replacement.
- . Both barrier plate and anchor plate require replacement.
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