ML20134L587: Difference between revisions

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{{Adams
#REDIRECT [[B11572, Forwards Addl Info Re 840515 Response to Core Performance Branch Question 492.5,per NRC 840802 Request.Info Resolves SER Open Item 9 Re Operation of Sys Hardware & Implementation of Loose Parts Detection Program]]
| number = ML20134L587
| issue date = 08/26/1985
| title = Forwards Addl Info Re 840515 Response to Core Performance Branch Question 492.5,per NRC 840802 Request.Info Resolves SER Open Item 9 Re Operation of Sys Hardware & Implementation of Loose Parts Detection Program
| author name = Opeka J, Sears C
| author affiliation = NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
| addressee name = Youngblood B
| addressee affiliation = NRC OFFICE OF NUCLEAR REACTOR REGULATION (NRR)
| docket = 05000423
| license number =
| contact person =
| document report number = B11572, NUDOCS 8509030339
| package number = ML20134L589
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 2
}}
 
=Text=
{{#Wiki_filter:w i m UTILITIES                '
cener i On.c.. . seio.n stro t. Beriin. connecticut 5,',21Ites$                                                      P.O. 80X 270
                  .u oi ..+sa w. c"*'                                            HARTFORD, CONNECTICUT 06141-0270 L  L  J Z' C',''JZ'."C
                        ,                                                        (203) 665-5000 August 26,1985 Docket No. 50-423 Bil572 Director of Nuclear Reactor Regulation Mr. B. J. Youngblood, Chief Licensing Branch No. I Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C. 20555
 
==References:==
(1)    W. G. Counsil letter to B. J. Youngblood, Response to Core Perf ormance Branch Question 492.5, dated May 15, 1984.
(2)    B. J. Youngblood letter to W. G. Counsil, Issuance of Safety Evaluation Report - NUREG-1031 - Millstone Nuclear Power Station, Unit No. 3, dated August 2,1984.
 
==Dear Mr. Youngblood:==
 
Millstone Nuclear Power Station, Unit No. 3 Response to SER Open item #9 in Reference (1), Northeast Nuclear Energy Company (NNECO) provided a response to NRC Core Performance Branch Question 492.5 concerning the Loose Parts Monitoring System (LPMS) to be used at Millstone Unit No. 3. As part of our response to Q492.5, we committed to provide additional information describing operation of the system hardware and implementation of the loose parts detection program, in Reference (2), the Staff provided its evaluation of the Millstone Unit No. 3 LPMS described in the FSAR and in responses to NRC questions. The Staff identified two areas where they required additional information. They were:
: 1. Only one sensor is located on each steam generator. The Staff will require that the applicant pro"Ide two sensors on each steam generator and,
: 2. The LPMS is not qualified for an operating basis carthquake (OBE). The Staff does not require OBE qualification; however, it requires that the system should be able to perform following all scismic events that do not require plant shutdown up to and including the ORE.
This was considered an open item.
I t
0509030339 050026                                                              g    l PDR    ADOCK 05000423                                                  l i
C                          PDR                                                  s
 
The attached report provides the additional information which we committed in Reference (1), to supply at a later date. Additionally, it provides information which we believe should be fully responsive to the Staff concerns identified in Reference (2). Therefore, this information should fully resolve Open Item #9.
However, we remain availabic to discuss this matter with the Staff, as necessary.
Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY et. al.
BY NORTHEAST NUCLEAR ENERGY COMPANY Their Agent b  t    .b pA J. F. Opeka Senior Vice President bs          '2_
By: C. F. Sears Vice President STATE OF CONNECTICUT )
                                  ) ss. Berlin COUNTY OF HARTFORD            )
Then personally appeared before me C. F. Sears, who being duly sworn, did state that he is Vice President of Northeast Nuclear Energy Company, an Applicant herein, that he is authorized to execute and file the foregoing information in the name and on behalf of the Applicants herein and that the statements contained in said information are true and correct to the best of his knowledge and belief.
                                            / '1 'uH          I      hl #
                                        'N6tary Pubtly My Commission Expires March 31,1988}}

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