ML20083N728
| ML20083N728 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 01/26/1983 |
| From: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, L-83-37, NUDOCS 8302030098 | |
| Download: ML20083N728 (2) | |
Text
!
P. O. BOX 14000, JUNO BE ACH, F L 33408
.. e FLORIDA POWER & LIGHT COMPANY January 26, 1983 L-83-37 w
.[u Mr. James P. O' Reilly E
Regional Administrator, Region II U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100
~~
Atlanta, Georgia 30303
Dear Mr. O'Reilly:
L Re:
St. Lucie Unit 2 Docket 50-389, 10 CFR 50.55(e) (82-20)
Lack of Documentation on Class 1 and 2 Bolts and Nuts On October 13, 1982, Florida Power and Light Company notified NRC Region II of a potential 10 CFR 50.55(e) condition existing at the site involving lack of documentation on Class 1 and 2 bolts and nuts.
Persuant to the requirements of 10 CFR 50.55(e), a final report is attached.
Very truly yours,
( 6L 8e %
W Robert E. Uhrig Vice President Advanced Systems and Technology REU/RJS/ cab j QtTicl AL C' w-8302030098 830126 PDR ADOCK 05000389 PEOPLE.. SERVING PEOPLE
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Summary
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A Non-Conformance Report (NCR) 4514M was issued due to a random sampling of Class 1 and 2 bolted flange connections, revealing that some of the bolts lacked material identification, material traceability and several nuts were inverted.
All of the bolts and nuts on Class 1, 2, and 3 flanges will be changed.
II.
Description During a random sampling it was discovered that a majority of the bolts were installed correctly but some of the bolted flanges in Class 1 and 2 piping contained nuts and bolts that had no mat-erial identification. ;Also some of the nuts and bolts (1-1/8")
which required heat codes were not fully traceable.
It was also noted that.on 1 inch and under_ bolts reveral nuts were inverted which will result in lower bolt tension fcr the specified tighten-ing torque.
III. Corrective Action After an evaluation of the sample taken, FP&L decided to replace all of the bolts in safety related flanged connections (approx. 7 93 con-nections).
These bolts for all Class 1, 2,
and 3 flan?ges, will be replaced in-accordance with approved Site Quality Control procedures.
IV.
Safety Implications Our evaluation indicated that some safety systems contained bolted flanges that did not have proper documentation.
In addition, the inverted installation of the nuts could have resulted in reduced strength.
Without proper documentation and installation, the long term integrity of the flanged connections could not be verified and, therefore, we have determined that this item is reportable under 1CCFR50.55(e).
V.
Conclusion Corrective action as identified in item III above has been under-taken and is in the final stages.
'All pertinent documentation will be maintained at the site.
This response closes out this item with respect to the reporting requirements of 10CFR50.55(e).
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