ML20091A182
| ML20091A182 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 05/15/1984 |
| From: | Gerrets T LOUISIANA POWER & LIGHT CO. |
| To: | Jay Collins NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| 78, W3K84-1180, NUDOCS 8405290294 | |
| Download: ML20091A182 (4) | |
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142 DELARONDE STREET POWER & LIGHT P O. BOX 6000
- NEW ORLEANS. LOUISIANA 70174. (504) 366-2345 gg UTIUTIES SYSTEM May 15, 1984 W3K84-1180 Q-3-A35.07.78 Mr. John T. Colling Regional Administrator, Region IV U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive Suite 1000
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Arlington, Texas 76012 I)
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REFERENCE:
LP&L Letter W3K84-0981 dated April 27, 1984
Dear Mr. Collins:
O U i ---. _ _ - _ _
SUBJECT:
Waterford SES Unit No. 3
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Docket No. 50-382 Significant Construction Deficiency No. 78 "American Bridge Structural Steel Deficiencies" Final Report In accordance with 10CFR50.55(e), we are hereby providing two copies of the Final Report for Significant Construction Deficiency No. 78, "American Bridge Structural Steel Deficiencies".
If you have any questions, please advise.
Very truly yours, Y/
rc8 T. F. Cerrets Corporate Quality Assurance Manager TFG:CNH:SSTG cc: Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D.C.
20555 (15 copies) 8405290294 840515 PDR ADOCK 05000 fhWh \\
6-Mr. John T.' Collins
- May 15, 1984 W3K84-1180 Page 2 cc: Director Office of Management Information and Program Control U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Mr. E. L. Blake Shaw, Pittman, Potts & Trowbridge 1800 M Street, N.W.
Washington, D.C.
-20036 Mr. W. M. Stevenson Monroe & Lemann 1424 Whitney Building
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FINAL REPORT OF SIGNIFICANT DEFICIENCY NO. 78 "AMERICAN BRIDGE STRUCTURAL STEEL DEFICIENCIES" INTRODUCTION This report, submitted pursuant to 10CFR50.55(e), describes deficiencies that existed in documentation for bolted and welded connections of structural steel supporting or tying into safe y related systems. This problem is considered e
reportable under the requirements of 10CFR50.55(e).
To the best of our knowledge it has not been reported pursuant to 10CFR21.
DESCRIPTION Ebasco record review and surveillance inspection of the bolting and welding performed by American Bridge revealed insufficient documentation existed to cover the work performed. Structural steel affected was in the Reactor Containment Building (RCB), the Reactor Auxiliary Building (RAB), the Fuel Handling Building (FHB), and the Common Foundation Structure (CFS) of the Waterford SES Unit 3.
The deficiencies in American Bridge documentation indicated a breakdown of the Quality Program sufficient to require a complete reinspection of bolted connections and designated welded connections completed by American Bridge in the RCB, RAB, FHB, and CFS. The purpose of the reinspection was to identify those bolted connections requiring rework and to provide information and data to verify the adequacy of the welded connections and to determine the repair of those welded connections fcund to be deficient.
SAFETY IMPLICATIONS Some of the documentation missing was for bolted and welded connections of structural steel supporting or tying into safety related systems.
If left uncorrected, failure of those connections could have resulted in possible a
degradation of those safety systems.
CORRECTIVE ACTION TAKEN Nonconformance Reports (NCRs) were issued to track and document deficiencies as they were identified. A procedure was issued which established the methods for performing and documenting the reinspection of bolted connections and set forth criteria for acceptance or rejection and the measures to be taken for rework. A procedure was also issued which established the methods for performing the reinspection of structural steel welded connections and the documentation of the information and daca obtained from the reinspection which was to be forwarded to Ebasco Site Support. Engineering (ESSE) for review, analysis, and evaluation.
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SCD 78 :
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CORRECTIVE ' ACTION TAKEN - (Continued)
On May,26,-1983, NCR-W3-6263 was issued to consolidate nonconformance reports identifying similar deficiencies. This permitted the deficiencies to be conttolled by a single plan of Corrective Action. Those deficiencies not covered by the plan of Corrective' Action stated in NCR-W3-6263 were documented and controlled by individual nonconformance reports.
All reinspection and corrective action is now complete, including inspection of rework. All connections have been accepted and the supporting documentation has been reviewed.-
4 This report is submitted as the Final Report.
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