05000423/LER-1997-012, Forwards Revised Commitments Re Expansion Joint Tie Rod Assemblies,Previously Submitted to NRC in LER 97-012-00: Difference between revisions

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{{Adams
#REDIRECT [[05000423/LER-1997-012]]
| number = ML20210K420
| issue date = 08/12/1997
| title = Forwards Revised Commitments Re Expansion Joint Tie Rod Assemblies,Previously Submitted to NRC in LER 97-012-00
| author name = Hicks G
| author affiliation = NORTHEAST NUCLEAR ENERGY CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000423
| license number =
| contact person =
| document report number = B16691, NUDOCS 9708190252
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE
| page count = 4
}}
{{LER
| Title = Forwards Revised Commitments Re Expansion Joint Tie Rod Assemblies,Previously Submitted to NRC in LER 97-012-00
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000423
| LER year = 2097
| LER number = 12
| LER revision =
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
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                          ' _ y_ygg                                                  IWpc i erry Rd. (Itoute if,6), Waterfont, Cr 06385 Nuclear Energy                                          mioon, Noa,., r ., si.ii...
Northca t Nudcar EnerFy cmopany .
                            ..,                                                        P.O. Iba 128 Waterfoni, Cr 06385 0128
                                                                                    - (860) 447 1791 Fax (860) 444-4277
                                                                                      & Northeast Utilitic Sydem Docket No. 50-423 B16691 Auaust 12.1997 U. S. Nuclear Regulatory Commission L
Attention: Document Control Desk -
L                . Washington, DC 20555-l o                                          Millstone Nuclear Power Station, Unit No. 3 Commitment Revision- LER 97-021-00 Exoansion Joint Tie Rod Assemblies The purpose of this letter is to revise the commitments that were previously submitted to the NRC in LER 97-021-00, " Defective Desian of RSS Expansion Joint Tie Rod Assembiv. These commitmentsincluded; 1) The required physical modifications to the eight expansion joints within the RSS will be completed prior to August 13,1997 and no later than prior to entry into mode 4; and the expansion joints provided by Temp Flex division of Johnson Controls will be'identifed and reviewed to verify that they meet design requirements prior to August 13,1997 and -
no later than prior to entry into mode 4,
                  . At this time, all tied expansion joints at Millstone Unit 3 have been identified.
Modeling and' qualification of these joints is currently being evaluated by a qualified vendor to determine the design adequacy. Physical modifications where needed to
                  . correct any deficiencies identified will be completed prior to entry into mode 4.
                  - The revised commitments are provided in Attachment 1.- The remaining commitments in our letter of March 19,1997 are unchanged.
                  - Should you_ have any questions regarding this matter, please contact Mr. D. A. Smith L at (860) 437-5840.-
NORTHEAST NUCL            R ENERGY COMPANY
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                    -190094                                ir  or - Milistone Unit No. 3 9708190252 970812 O PDR .ADOCK 05000423                                                                           ll        khkk                  <
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    ,,  ' U.S. Nucl::Cr R::gul~ tory Commission                              ;
B16691\ Page 2                                                    '
          ' cc:  H. J. Miller, Region I Administrator A. C. Cerne, Senior Resident inspector, Millstone Unit No. 3 J. W. Andersen, NRC Project Manager, Millstone Unit No. 3 W. D. Travers, Dr., Director, Special Projects
 
J.
I                                    __
                                                  ...;                                                                                                            Docket Nol 50-423 B16691 4
i E
7-4 i                                                                                                                                                                                                        ,
4 d
;                                                                                                                      Attachment 1 5
;                                                                                      Millstone Nuclear Power Station, Unit No. 3 NNECO's Commitments
                                                                                                                    . In Response To                                                                    -
(LER 97-021-00) i-4-
i f .-.
t v
4 3
i 4
August 1997 i .-
i J
s                                                                                                                                                                                                        .
                              - . , . . , ~_                                                        - - - . , .        , , .        ,,                      .c..,  _-,y  .,      . . . , _ _          ,w*
 
  ,.  ' U.S. Nuclscr Rrgul tory Commission B16691 \ Attachment 1 \ Page 1 Enclosure List of Regulatory Commitments The following table identifies those actions committed to by NNECO in this              ;
document. Please notify the Manager - Nuclear Licensing at the Millstone Nuclear Power Station Unit No. 3 of any questione regarding this document or any associated regulatory commitments.
Number                        Commitment                          Due B16263-01      The required physical modifications to the      Prior to entry into eight (8) expansion joints within the RSS will        mode 4.
be completed.
B16263    Expansion joints provided by Temp Flex          Prior to entry into division of Johnson Controls will be identified      mode 4, and reviewed to verify that they meet design requirements.
                                                                                              -i i
i
                                                                                                -
}}
 
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