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* November *19, .1973 Re: Indian Point Unit No. 2 Facility Operating License DPR-26 A.O. 3-2-16 Mr. *James P. O'Reilly, Director Regulatory Operations, Region I U. s. Atomic Energy Commission 631 Park Avenue K~ng of Prussia, Pennsylvania     19406
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* November *19, .1973 Re: Indian Point Unit No. 2 Facility Operating License DPR-26 Mr. *James P. O'Reilly, Director Regulatory Operations, Region I U. s. Atomic Energy Commission 631 Park Avenue of Prussia, Pennsylvania 19406 ,


==Dear Mr. O'Reilly,==
==Dear Mr. O'Reilly,==
A.O. 3-2-16 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 Specificati6ns to Facility Operating License No. DPR-26. On November 16, 1973 an analysis of the results of periodic tests and checks relating to pressurizer pressure dicated that for one of the three bistables associated with low pressurizer pressure safety irrjection was that quired by Item 3 in Table 3-1 of the Technical Specifications.
 
At the time of these periodic tests and calibration checks the actor was in the cold shutdown condition for maintenance work. The particular bistable device is of a two out of three logic system which provides for a safety injection signal on cidence of low pressurizer pressure and low pressurizer level. The other two bistables of the system were found to be operating correctly.
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 Specificati6ns to Facility Operating License No.
The channel associated with this device was brated and retested satisfactorily.
DPR-26.
Mr. Don.Johnsorr of your office was notified of this occurrence by Mr. John Makepeace by telephone on November 16, 1973. cc: Mr. John F.. O'Leary *. Very truly yours, w (1 Warren R. Cobean, J . Manager, Nuclear Generation  
On November 16, 1973 an analysis of the results of periodic tests and calib~ation checks relating to pressurizer pressure in-dicated that the~setting for one of the three bistables associated with low pressurizer pressure safety irrjection was b~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 was in the cold shutdown condition for maintenance work.
The particular bistable device is par~ of a two out of three logic system which provides for a safety injection signal 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.
Mr. Don.Johnsorr of your office was notified of this occurrence by Mr. John Makepeace by telephone on November 16, 1973.
Very truly yours, w~l-~1l~\ ~- (1 L1~<:1 - * ~
Warren R. Cobean, J .
Manager, Nuclear Po~
Generation cc:    Mr. John F.. O'Leary
                                            *.}}

Latest revision as of 11:03, 4 February 2020

Letter Concerning a 11/16/1973 Occurrence Regarding Periodic Tests and Calibration Checks Indicating the Setting for 1 of the Bistable Device Was Below the Technical Specification Requirements - Indian Point Unit 2
ML17252A882
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 11/19/1973
From: Cobean W
Con Edison, Consolidated Edison Co of New York
To: O'Reilly J
US Atomic Energy Commission (AEC)
References
3-2-16
Download: ML17252A882 (1)
v • d • e


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  • November *19, .1973 Re: Indian Point Unit No. 2 Facility Operating License DPR-26 A.O. 3-2-16 Mr. *James P. O'Reilly, Director Regulatory Operations, Region I U. s. Atomic Energy Commission 631 Park Avenue K~ng of Prussia, Pennsylvania 19406

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 Specificati6ns to Facility Operating License No.

DPR-26.

On November 16, 1973 an analysis of the results of periodic tests and calib~ation checks relating to pressurizer pressure in-dicated that the~setting for one of the three bistables associated with low pressurizer pressure safety irrjection was b~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 was in the cold shutdown condition for maintenance work.

The particular bistable device is par~ of a two out of three logic system which provides for a safety injection signal 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.

Mr. Don.Johnsorr of your office was notified of this occurrence by Mr. John Makepeace by telephone on November 16, 1973.

Very truly yours, w~l-~1l~\ ~- (1 L1~<:1 - * ~

Warren R. Cobean, J .

Manager, Nuclear Po~

Generation cc: Mr. John F.. O'Leary

  • .
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