ML19275A081
| ML19275A081 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 08/07/1979 |
| From: | Ziemann D Office of Nuclear Reactor Regulation |
| To: | Groce R YANKEE ATOMIC ELECTRIC CO. |
| References | |
| NUDOCS 7908300782 | |
| Download: ML19275A081 (3) | |
Text
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August 7, 1979 Docket No. 50-29 Mr. Robert H. Groce Licensing Engineer Yankee Atomic Electric Company 20 Turnpike Road Westboro, Massachusetts 01581
Dear Mr. Groce:
SUBKCT:
REQUEST FOR ADDITIONAL INFORMATION REGARDING IE BULLETINS79-06A AND 79-06A, REVISION 1 We have reviewed the responses to IE Bulletins79-06A and 79-06A, Revision 1 for the Yankee-Rowa facility in your letters dated April 26, May 24, and June 20, 1979.
Our review of your responses hat led us to believe that you have a general understanding of our concerns arising from the TMI-2 incident in relation to their implications to the operation of Yankee-Rowe.
Nevertheless, we have dis-covered some deficiencies in your responses which must be resolved before we issue our safety evaluation for Yankee-Rowe.
The resolution of these deficiencies is contingent upon receiving complete and acceptable responses to the questions in Enclosure i As a result of our continuing review of the TMI-2 incident, we may impose other corrective actions in addition to thos in IE Bulletins79-06A and 79-06A, Revision 1.
In the interim, if you need any clarification of the enclosed questions, please contact P. D. O'Reilly (301-492-7745), the staff's assigned project manager for Bulletins and Orders involving Westinghouse designed reactors.
Your responses are requested within two weeks from your receipt of this letter.
Sincerely, 4
Dennis L. Ziemann, Chief Operating Reactors Branch L Division of Operating Reactors
Enclosure:
Request for Additional Information 2053 041 79083 0 07frA
Mr. Robert H. Groce August 7, 1979 cc w/ enclosure:
Mr. Lawrence E. Minnick, President Yankee Atomic Electric Company 20 Turnpike Road Westboro, Massachusetts 01581 Greenfield Community College 1 College Drive Greenfield, Massachusetts 01301 W
REQUEST FOR ADDITIONAL INFORMATION AS A RESULT OF STAFF REVIEW 0F RESPONSES TO BULLETINS79-06A AND 79-06A (REVISION 1)
YANKEE R0WE DOCKET f:0.50-020 The requests below are numbered to correspond to the Bulletin action items.
2.
As part of your discussion of the methods of identification of void formation and operator actions if voids are detected, you should also address the capability to maintain natural circulation under these conditions.
10.
Describe the revisions in your maintenance and testing p mcedures to assure the operability of redundant safety-related systems prior to the removal of any safety-related system from service and verification of the operability of all safety-related systems when they are returned to service followir.; m intenance or testing.
Describe also how infor-mation on the status tf the safety-related systems is passed on from shift to shift.
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