ML20003J402
| ML20003J402 | |
| Person / Time | |
|---|---|
| Site: | Phipps Bend  |
| Issue date: | 02/26/1981 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20003J395 | List: |
| References | |
| NUDOCS 8105110373 | |
| Download: ML20003J402 (3) | |
Text
8 TENNESSEE VALLEY AUTHORITY 3
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CH ATTANCOG A, TENN ESSEE 37101 J
400 Chestnut Street Tower II*7.S' February 26, 1981 Mr. James P. O'Reilly, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region II - Suite 3100 101 Marietta Street Atlanta, Georgia 30303 Dear Mr. O'Reilly-Enclosed is our response to C. E. Murphy's February 3, 1981, letter, Inspection Report Nos. 50-553/80-18 and 50-554/80-16, regarding activities at the Phipps Bend Nuclear Plant which appeared to have been in nonccmpliance with NRC regulations.
If you have any questions, please call Jim Domer at FTS 857-2014 Very truly yours.
TENNESSEE VALLEY AUTHORITY L. M. Mills, Manager Nuclear Regulation and Safety l
Subscribad and sworn to "afor e methisdh.
day of h 1981 l
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Notary Public My Commission Expires Enclosure l
P00R BRIGINAI.
8 m uom
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o ENCLCSURE FINAL RESPONSE TO NRC LETTER FRCM C. E. MURPHY TO H. G. PA?RIS DATED FEBRUA?Y 3, 1981 (Reference Peport Nos. 50-553/20-18, 50-554/20-16)
This report responds to the Notice of Violation dess 'uad in Appendix A of the OIE Inspection Report referenced above.
This is a final report en the subject noncenpliance.
Noncennliance Iten - Severity Level V Violatien 553/80-18-01, 50-554/80-16-01 A.
10CFF50, Appendix B, Criterion V, requires that activities affectir; quality shall be prescribeu and accenplinhed in accordance with procedures. TVA procedure CCI C-207 and drawing nunter uMF 0401-5K-11R requires that vertical reinforcing bars in ecnerete pour number EAC01-34, 37, to, 43, be placed en 12-inch centers with a plus or minus tolerance of 2 inches.
Cortrarv to the above, in concrete pour.qunber EAC01-30, 37, 40, 43 the vertical reinforcing steel was net placed in accordance with precedure and drawing requirements.
Inis is a Severity Lovel V viciatien (Suppleront II.E.).
Rerrer-c (1)
Adni nic-of Allerad Violation
~enrnn+ee Valley Authority agreas with the findings of the inspection.
(2:
Passent for the Violation The following two contributing factors were fcund:
(1) incorrect interpretation of the drawinc requirenents concerning th*
initiation point of the wall (working line), and (2) several requ'ranents in the Ouality Ccntrol Instructicn C-207 were dif'icult to interpret (regarding number of bars to be inspected and accep'_able tar 3 pacing) and resultad in inconsistent applicatien.
(3)
Ccerective Stron Taken and the Results Achirvad Er.c.neering Design has ceternined that the retar in the subject cenerete pours (EAC01-34, 37, 40, and 43) is accaptable as is.
No cc rective ac'icn was necessary.
P00R OR GINAL
,. (4) Corrective St eps Taken to Avoid Further Violations (a)
Inspection personnel assigned to reinforcing inrpection were ins *.ructed to correctly utilize the necessary drawings and make detailed drawing reviews for areas in reinforced concrete structures where irregularities in the rebar pattern are observed.
(b) Tennessee Valley Authority Quality Control Instructico C-207 was revised to clarify inspection crite 'a.
(c) Cuality Control Inspection personnel who are directly assigned to or nay be temporarily assigned to reinforcing steel inspection have been reinstructed in the use of the revisod Quality Control Instructien C-207 both individually and an a group.
(5) Date When Full 'ompliance Will Be Achieved TVA is now in full compliance.
P00R ORIGINAL