View source for 05000245/LER-1996-059, Forwards LER 96-059-00.Util Commits That Design Basis of Reactor Feed Pump High Level Trip Circuitry Will Be Reevaluated to Verify Proper Applicability of Physical Separation,Redundancy & Single Failure Requirements

{{Adams
| number = ML20132C568
| issue date = 12/16/1996
| title = Forwards LER 96-059-00.Util Commits That Design Basis of Reactor Feed Pump High Level Trip Circuitry Will Be Reevaluated to Verify Proper Applicability of Physical Separation,Redundancy & Single Failure Requirements
| author name = Hinnenkamp P
| author affiliation = NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
| addressee name = 
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000245
| license number = 
| contact person = 
| document report number = B16053, NUDOCS 9612180399
| package number = ML20132C572
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE
| page count = 1
}}
{{LER
| Title = Forwards LER 96-059-00.Util Commits That Design Basis of Reactor Feed Pump High Level Trip Circuitry Will Be Reevaluated to Verify Proper Applicability of Physical Separation,Redundancy & Single Failure Requirements
| Plant = 
| Reporting criterion = 
| Power level = 
| Mode = 
| Docket = 05000245
| LER year = 2096
| LER number = 59
| LER revision = 
| Event date = 
| Report date = 
| ENS = 
| abstract = 
}}

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I    ;                  *\. Northerst                                                            Mat =,omm.a                   r v ury mi., nerfora, er i                             Utilities System                                                     ,,.o. m,1 128 Waterford, Cr 06385-0128 (203) 447-1791
)                                                                                                   December 16,1996 Docket No. 50-245 B16053 Re: 10CFR50.73(a)(2)(ii) i                    U.S. Nuclear Regulatory Commission Document Control Desk j                    Washington, DC 20555
!                   This letter forwards Licensee Event Report (LER) 96-059-00, documenting an event that
.                    occurred at Millstone Nuclear Power Station, Unit No I on November 15, 1996. This LER is 4
submitted pursuant to 10CFR50.73(a)(2)(ii).
t i                   The following is Nonheast Nuclear Energy Company's (NNECO's) commitment made within this
,                    letter. All other statements made within this letter are for information only.
B16053-1        NNECO commits that the design basis of the Reactor Feed Pump (RFP) High Level Trip Circuitry will be reevaluated to verify the proper applicability of the physical
}                                    separation, redundancy and single failure seguirements specified in the design change                                  !
;                                    documentation. Ifit is determined that these design requirements are valid for this l                                    application, the RFP High Level Trip Circuitry will be modified to provide separate, redundant, and single failure proof vessel overfill protection. Ifit is determined that
;                                    these design requirements are not valid for this application, a design change will                                      ;
document this. This reevaluation and any potential plant modifications or design                                       ]
change documentation will be completed prior to stanup for Cycle 16.
Very truly yours,                                                     -
I NORTHEAST NUCLEAR ENERGY COMPANY i
P. D. Hinnenkamp
.                                                                           Director, Unit Operations                                                )I     i

==Attachment:==
LER 96-059-00                                                                                                      p cc: Dr. W. D. Travers, Director, Special Projects i                           H. J. Miller, Region I Administrator
 ;                          S. Dembek, NRC Project Manager, Millstone Unit No.1 T. A. Eastick, Senior Resident Inspector, Millstone Unit No.1
                                                      ~
I 9612180399 961216 PDR            ADOCK 05000245 l           8                              PDR 4
,
}}

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