ML19322B804
| ML19322B804 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 06/20/1977 |
| From: | Parker W DUKE POWER CO. |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19322B801 | List: |
| References | |
| NUDOCS 7912050790 | |
| Download: ML19322B804 (2) | |
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JUKE POWER COMPANY Powzo Best.nswo
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422 Socin Cucaca Srazzi. Cuantoriz. N. C. asa42 wf LLIAM Q. PA R et E R. J R, WCr Po t Otm?
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TE $ t **'ON C. A* C & 704 3?3-4092 June 20, 1977 Mr. Norman C. Moseley, Director U. S. Nuclear Regulatory Commission Suite 818 230 Peachtree Street, Northwest Atlanta, Georgia 30303 Re:
IE:II:TNE 50-269/77-6 50-270/77-6 50-287/77-6
Dear Mr. Moseley:
With regard to your letter of May 27, 1977, Duke Power Company dos.a not consider information contained in IE Inspection Report 50-269,
-270, -287/77-6 to be proprietary.
Please find attached our response to Enforcement Items A and B listed in Appendix A of your letter and our response to the notice of d viation listed in Appendix B.
V ry truly yours s
b w.* ~ /.J. O Q.
,- William O. Parker, Jr.:N,J LJB:vr Attachment l
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Proccduro IP/3/A/210/4 completsd in March 1977 had blcnk dsto cpteso
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en Data Shssto No. 1 cnd 2.
2.* Procedure IP/2/A/200/10 completed in May 1976 contained erroneous and/or unacceptable data on Data Sheet No. 4.
RESPONSE
The specific deficiencies identified have been reviewed.
In addition, these incidents have been discussed with the responsible personnel.
Emphasis was placed on proper review and evaluation of calibration pro-cedures.
It is felt that this corrective action will assure that deficiencies of this type are identified during the review process and appropriate corrective action is taken.
Notice of Deviation, Appendix B Contrary to the licensee's commitment on Page 14A-19 of the FSAR that the gas analyzer used for measuring post-accident hydrogen concentrations in the reactor building will have an accuracy of i 2 percent of full scale, the calibration tolerance specified in the calibration procedure results in an accuracy of i 10 percent of full scale.
RESPONSE
Although no specific manufacturer's toleranca specification could be dentified, the subject calibration procedure has been revised to comply with the accuracy specified in the FSAR.
Also, the gas analyzer has been determined to be within an accuracy of 1 2 percent of full scale.
It is felt that this corrective action will assure that this equipment will be calibrated and maintained to the accuracy stated in the FSAR.
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