ML17037C758: Difference between revisions

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| number = ML17037C758
| number = ML17037C758
| issue date = 02/06/2017
| issue date = 02/06/2017
| title = Nine Mile Point, Unit 2 - Table 7.2-1 (Cont'D) 4 of 6
| title = Table 7.2-1 (Cont'D) 4 of 6
| author name =  
| author name =  
| author affiliation = Niagara Mohawk Power Corp
| author affiliation = Niagara Mohawk Power Corp
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=Text=
=Text=
{{#Wiki_filter:NMPNS-2TABLE72-1(CONT'D)LineIsolatedInstrument sensingline(notpartofprotection system)ServiceairtodrywellNumberofLinesAsrequiredApproximate PipeSize,ValvesPerLinerouValveLocationRelativetoPrimary~natlmentOutsideOutsideInsideOutsideValvesnd/orOperatorXZpe~gFlowcheckHandHandHandPowertoOR~en,6)SpringHandHandHandPowerto~C1,6)HandHandHandIsolati.on
{{#Wiki_filter:NMPNS-2 TABLE 7 2-1 (CONT'D)
~SX1ExcessflowRMClosingNormal~Time7,11,12)Status(9,lO)
Valve Location Number    Approximate Valves      Relative to    Valve snd/or of      Pipe Size, Per          Primary        Operator          Power to    Power  to  Isolati.on    Closing        Normal Line Isolated              Lines                  Line  rou ~natl    ment    XZpe~g                OR~en,6) ~C1,6)     ~SX    1      ~Time 7,11,12) Status(9,lO)         emarks Instrument sensing line        As  required                            Outside      Flow check        Spring                  Excess  flow                  Open)       Typical of Class B (not part of protection                                              Outside      Hand              Hand        Hand      RM                            Open)         instrument lines which IAS system)                                                                                                                                                         )       do not form pszt, of
Open)Open)))ClosedClosedemarksTypicalofClassBinstrument lineswhichIASdonotformpszt,ofprotection systemOnlyneedduringmaintenance iA5Instrument gastodrywellReactorBldg.closedloopcoolingwaterinReactorBldg.closedloopcoolingwateroutDemineralized waterinDrywellpurgeinletDrywellmainexhaustDrywellexhaustbypassLater143-63-83030InsideOutsideOutsideInsideOutsideInsid.eInsideOutsideInsideOutsideInsideOutsideOutsideCheckAOMOCheckMOMOCheckMOAObutterfly AObutterfly AObutterfly AObutterfly AOAir/A-cD"cD-cA"cA-cA-c/AirA-c/AirA-c/AirA-c/Ai.rProcessSpringD-cProcessD"cA-cProcessA-cSpringSpringSpringSpringSpringReverseflowRMRMReverseflowReverseflowRMApF~ZAiF,ZA,F,ZStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardOpenOpenOpenOpenOpenOpenClosedClosed.ClosedClosedClosedClosedClosediASAS[ASIASSuppression chamberpurgeinletSuppression chamberexhaustvalvebypass24InsideOutsideOutsideAObutterfly AObutterfly AOA-c/AirA-c/AirSpringSpringSpringA,FiZA,FpZStandard.
                                                                                                                                                                  )        protection system Service  air to drywell                                              Inside      Hand              Hand        Hand                                    Closed      Only need during Outside      Hand              Hand        Hand                                    Closed        maintenance            iA5 Instrument gas    to              Later                                Inside      Check                          Process    Reverse flow                  Open iAS drywell                                                              Outside      AO                Air/A-c      Spring    RM            Standard      Open Reactor Bldg. closed                14          3-6                    Outside      MO                D" c        D-c        RM            Standard      Open loop cooling water in                                                Inside      Check                          Process    Reverse  flow                Open AS Reactor Bldg. closed                            3-8                    Outside      MO                D-c          D"c                      Standard      Open loop cooling water out                                              Insid.e      MO                A"c          A-c                      Standard      Open Demineralized water in                                                Inside      Check                          Process    Reverse flow                  Closed Outside      MO                A-c          A-c        RM            Standard      Closed.
StandardStandardClosedClosedClosedSuppression chambermainexhaustDrywellairsampleSuppression chamberairsample1/21/2InsideOutsideInsideOutsideInsideOutsideAObutteri'ly AObutterfly SOvalveSOvalveSOvalveSOvalveA-c/AirA-c/AirA-cD-cA-cD-cSpringSpringSpringSpringSpringSpringA,F,ZA~FEZAiF,ZStandardStandardClosedClosedOpenOpenOpenOpen)ASiAS4of6}}
Drywell purge    inlet                          30                    Inside      AO butterfly      A-c/Air      Spring    ApF~Z          Standard      Closed                                [AS Outside      AO butterfly      A-c/Air      Spring                    Standard      Closed Drywell main exhaust                            30                    Inside      AO butterfly      A-c/Air      Spring    AiF,Z          Standard      Closed                                IAS Outside      AO butterfly      A-c/Ai.r    Spring                    Standard      Closed Drywell exhaust bypass                                                Outside      AO                              Spring    A,F,Z          Standard      Closed Suppression chamber purge                      24                    Inside      AO butterfly      A-c/Air      Spring    A,FiZ          Standard.      Closed inlet                                                              Outside      AO butterfly      A-c/Air      Spring                    Standard      Closed Suppression  chamber exhaust                                        Outside      AO                              Spring    A,FpZ          Standard      Closed valve bypass Suppression  chamber main                                            Inside      AO butteri'ly     A-c/Air      Spring    A,F,Z          Standard      Closed exhaust                                                              Outside      AO butterfly      A-c/Air      Spring                    Standard      Closed Drywell  air sample                            1/2                  Inside      SO valve          A-c          Spring                                  Open Outside        valve          D-c                                                                                        )AS SO                              Spring                                  Open Suppression chamber                            1/2                  Inside      SO valve          A-c          Spring    A~FEZ                        Open                                  iAS air  sample                                                          Outside      SO valve          D-c          Spring    AiF,Z                        Open 4of6}}

Latest revision as of 08:57, 30 October 2019

Table 7.2-1 (Cont'D) 4 of 6
ML17037C758
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 02/06/2017
From:
Niagara Mohawk Power Corp
To:
Office of Nuclear Reactor Regulation
References
Download: ML17037C758 (1)
v • d • e


Text

NMPNS-2 TABLE 7 2-1 (CONT'D)

Valve Location Number Approximate Valves Relative to Valve snd/or of Pipe Size, Per Primary Operator Power to Power to Isolati.on Closing Normal Line Isolated Lines Line rou ~natl ment XZpe~g OR~en,6) ~C1,6) ~SX 1 ~Time 7,11,12) Status(9,lO) emarks Instrument sensing line As required Outside Flow check Spring Excess flow Open) Typical of Class B (not part of protection Outside Hand Hand Hand RM Open) instrument lines which IAS system) ) do not form pszt, of

) protection system Service air to drywell Inside Hand Hand Hand Closed Only need during Outside Hand Hand Hand Closed maintenance iA5 Instrument gas to Later Inside Check Process Reverse flow Open iAS drywell Outside AO Air/A-c Spring RM Standard Open Reactor Bldg. closed 14 3-6 Outside MO D" c D-c RM Standard Open loop cooling water in Inside Check Process Reverse flow Open AS Reactor Bldg. closed 3-8 Outside MO D-c D"c Standard Open loop cooling water out Insid.e MO A"c A-c Standard Open Demineralized water in Inside Check Process Reverse flow Closed Outside MO A-c A-c RM Standard Closed.

Drywell purge inlet 30 Inside AO butterfly A-c/Air Spring ApF~Z Standard Closed [AS Outside AO butterfly A-c/Air Spring Standard Closed Drywell main exhaust 30 Inside AO butterfly A-c/Air Spring AiF,Z Standard Closed IAS Outside AO butterfly A-c/Ai.r Spring Standard Closed Drywell exhaust bypass Outside AO Spring A,F,Z Standard Closed Suppression chamber purge 24 Inside AO butterfly A-c/Air Spring A,FiZ Standard. Closed inlet Outside AO butterfly A-c/Air Spring Standard Closed Suppression chamber exhaust Outside AO Spring A,FpZ Standard Closed valve bypass Suppression chamber main Inside AO butteri'ly A-c/Air Spring A,F,Z Standard Closed exhaust Outside AO butterfly A-c/Air Spring Standard Closed Drywell air sample 1/2 Inside SO valve A-c Spring Open Outside valve D-c )AS SO Spring Open Suppression chamber 1/2 Inside SO valve A-c Spring A~FEZ Open iAS air sample Outside SO valve D-c Spring AiF,Z Open 4of6

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