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

Revision as of 05:18, 28 January 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)


Text

NMPNS-2 TABLE 7 2-1 (CONT'D)Line Isolated Instrument sensing line (not part of protection system)Service air to drywell Number of Lines As required Approximate Pipe Size, Valves Per Line rou Valve Location Relative to Primary~natl ment Outside Outside Inside Outside Valve snd/or Operator XZpe~g Flow check Hand Hand Hand Power to OR~en,6)Spring Hand Hand Hand Power to~C1,6)Hand Hand Hand Isolati.on

~SX 1 Excess flow RM Closing Normal~Time 7,11,12)Status(9,lO)

Open)Open)))Closed Closed emarks Typical of Class B instrument lines which IAS do not form pszt, of protection system Only need during maintenance iA5 Instrument gas to drywell Reactor Bldg.closed loop cooling water in Reactor Bldg.closed loop cooling water out Demineralized water in Drywell purge inlet Drywell main exhaust Drywell exhaust bypass Later 14 3-6 3-8 30 30 Inside Outside Outside Inside Outside Insid.e Inside Outside Inside Outside Inside Outside Outside Check AO MO Check MO MO Check MO AO butterfly AO butterfly AO butterfly AO butterfly AO Air/A-c D" c D-c A"c A-c A-c/Air A-c/Air A-c/Air A-c/Ai.r Process Spring D-c Process D"c A-c Process A-c Spring Spring Spring Spring Spring Reverse flow RM RM Reverse flow Reverse flow RM ApF~Z AiF,Z A,F,Z Standard Standard Standard Standard Standard Standard Standard Standard Standard Standard Open Open Open Open Open Open Closed Closed.Closed Closed Closed Closed Closed iAS AS[AS IAS Suppression chamber purge inlet Suppression chamber exhaust valve bypass 24 Inside Outside Outside AO butterfly AO butterfly AO A-c/Air A-c/Air Spring Spring Spring A,FiZ A,FpZ Standard.Standard Standard Closed Closed Closed Suppression chamber main exhaust Drywell air sample Suppression chamber air sample 1/2 1/2 Inside Outside Inside Outside Inside Outside AO butteri'ly AO butterfly SO valve SO valve SO valve SO valve A-c/Air A-c/Air A-c D-c A-c D-c Spring Spring Spring Spring Spring Spring A,F,Z A~FEZ AiF,Z Standard Standard Closed Closed Open Open Open Open)AS iAS 4of6