ML19323F087
| ML19323F087 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 05/09/1980 |
| From: | Dale L MISSISSIPPI POWER & LIGHT CO. |
| To: | |
| References | |
| AECM-80-97, NUDOCS 8005280510 | |
| Download: ML19323F087 (2) | |
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MISSISSIPPI POWER & LIGH MPANY Helping Build Mississippi P. O. B O X 164 0. J AC K S O N MIS SIS SIP PI 3 9 2 0 5 anoouction oca atueur May 9, 1980 Office of Inspection & Enforcement
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U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, N.W., Suite 3100 Atlanta, Georgia 30303 Attention:
Mr. J. P. O'Reilly, Director
Dear Mr. O'Reilly:
SUBJECT:
Grand Gulf Nuclear Station Units 1 and ?
File 0272/15525/15526 PRD-80/18, Status Report, Improper Installation of High Pressure Core Spray Diesel Generator Control Panel AECM-80/97 On April 11, 1980, Mississippi Power & Light Company notified Mr. F. Cantrell of your office of a Potentially Reportable Deficiency (PRD) at the Grand Gulf Nuclear Station construction site. The deficiency concerns the installation of the High Pressure Core Spray (HPCS) Diesel Generator control panel. The suspect panel, designated 1H12-P118, was supplied by General Electric and apparently incorrectly installed. The panel was noted to be plug welded in some locations; however, the vendor drawings specify an installation using concrete anchors.
Our preliminary investigation into the_ extent of this deficiency has revealed at least one additional panel exhibiting this deficiency, namely, Panel 1H22-P028.
As part of the evaluation of this condition, an analysis has been requested of the plug welded installation to determine if the potential exists for adverse safety affects. A corrective action plan will be O
8005280 $\\o Member Middle South utilities System
i MIS'il0 !PPI POWER & LIGHT COMPANY Mr. J. P. O'Reilly AECM-80/97 U. S. Nuclear Regulatory Commission Page 2 developed, if required, following the completion of that analysis. We
" expect to provide a final report and determination on the reportability of this issue no later than August 18, 1980. This conditica is being tracked under PRD-80/18 and Bechtel Management Corrective Action Report (MCAR)-GGNS No. 70.
Yours truly, L. F. Dale ed[,
Nuclear Project Manager JCC/JRD/ls cc:
Mr. N. L. Stampley Mr. R. B. McGehee Mr. T. B. Connet Mr. Victor Stello, Jr., Director
Division of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20535 i
bec:
Dr. D. C. Gibbs Mr. Zaccaria Mr. J. N. Ward Mr. D. M. Lake Mr. J. P. McGaughy
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Mr. W. L. Nail Mr. T. E. Reaves Mr. C. K. McCoy tir. J. W. Yelverton Mr. M. D. Hunt Mr. A. R. Smith Mr. Tom Houghton File 4
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