ML20084A311
| ML20084A311 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 11/19/1973 |
| From: | Cobean W CONSOLIDATED EDISON CO. OF NEW YORK, INC. |
| To: | James O'Reilly US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20084A297 | List: |
| References | |
| AO-3-2-16, NUDOCS 8304050158 | |
| Download: ML20084A311 (1) | |
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3 Consolidated Edison C6mpany of New York,Inc.
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November 19, 1973 Re:
Indian Point Unit No. 2 Facility Operating License
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DPR A.O.
3-2-16 Mr. James P. O'Reilly, Director Regulatory Operations, Region I U. S. Atomic Energy Commission i
631 Park Avenue Ki,ng of Prussia, Pennsylvania 19406 I
Dear Mr. O'Reilly,
The following report of Abnormal Occurrence No. 3-2-16 is provided pursuant to the requirements of Section 6.12.2 (a) of the Technical Specifications to Facility Operating License No.
On November 16, 1973 an analysis of the results of periodic tests and calibration checks relating to pressurizer pressure in-dicated that the setting for one of the three'bistables associated with low pressurizer pressure safety injection was be. low that re-quired by Item 3 in Table 3-1 of the Technical Specifications.
At the time of these periodic tests and calibration checks the re-actor wat in the cold shutdown condition for maintenance work.
The particular bistable device is part of a two out of three I
logic system *ehich provides for a safety injection nignal on coin-cidence of low pressurizer pressure and low pressurizer level.
The other two bistables of the system were found to be operating correctly.
The channel associated with this device was recali-brated and' retested satisfactorily.
i Mr. Don. Johnson of.your office was notified of this occurrence by Mr. John Makepeace by telephone on November 16, 1973.
Very truly yours, 8304050158 731203 PDR ADOCK 05000247
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Warren R. Cobean, Jr.g, Manager, Nuclear Poper
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