ML23241A623

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7 to Updated Final Safety Analysis Report, Chapter 3, Figure 3.2-22, Drawing 102022, Revision 52, Sheet 6, Turbine and Generator Associated Systems
ML23241A623
Person / Time
Site: Diablo Canyon  
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A623 (1)
v • d • e


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<GENERATOR GAS DENS I TY l TO I~ODNITCRAOr\ iNoAARNDD [

ALARM HYDROGEN PRESSURE I ND I CA TOR 0 TO I 00 PSIG GENERA TOR FAN DIFFERENT I AL PRESSURE I ND I CA TOR 0 TO 200 I NCH ES WATER HYDROGEN PURI TY 65 H I GH OR LOW AL ARM SETT ING 0 PSIG OR RESSURE GAUGE INSIDE TURB. BL SIGPI - 25 m=~@ili) 66 LS-9

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GENERA TOR FAN DIFFERENT I AL PRESSURE TRANSM ITTER HYDROGEN PURI TY INDI CATOR O TO 100%

GENERA TOR GAS DENSITY INDICATOR O TO 1521/4 PURI TY AND PRESSURE MON I TOR I NG MODULES I

£ HYDROGEN PRESSURE HIGH OR LOW ALARM

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BOTTLES NOTES:

FEED PRESSUR E GUA GE 0-100 PSI Pl -42 PRESSUREREGULATOR" F" OTOIOOPSIG PCV -36 GENERATOR GAS MANIFQLP DC 663287-3 I. ALL PIPING ON THI S SHEET PG&E CLA SS E.

2. FOR PRE SSURE MEASURING STATI ON CONFI GURATION REFER TO DC-663287-15.
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GR INNEL DIAPH. VALVE MODEL 2472-10-M,CS,SW.@]>

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I" GRINNEL DIAPH. VALVE MODEL 2472-2-M,CS,SW.@]>

5. KEROTEST 2" GLOBE VALVE CS, SW MODEL 991 OS.@:])
6. PLUGGED THREADOLETS, 112 300Qtt LOCATED LESS THAN 6" BELOW VALVES FOR LEAK CHECK.@:])

HYDROGEN BOTTLES II IJJ!,JJ,,.

GAS DIAGRAM ADAPTED FROM DC-663287-17

7. "AQUA TROL" I" BRONZE VAL VE < MODEL 89 l SET TO OPEN AT 100 PSIG.
8. KEROT EST PACKLESS GLOBE VALVE MODEL nR42C06 SW.@:])
9. 3/4""0 SS PACKLESS METAL DIAPHRAGM GLOBE VALVE 300n SW ENDS, KEROTEST MODEL R42U06 SW. <ill)

I 0. KEROTEST PACKLESS GLOBE VALVES MODEL R42 X24 WC.@:])

67 68 69

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VALVE NORMALLY OPEN 4

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ELECTR I CAL CONNECTION PRESSURE REGULATOR GAS ALARMS

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HYDROG EN SUPPLY PRESSURE -

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[II HYDROGEN TEMPERATURE CONDENSED OPERATING INSTRUCTIONS GENERAL

~ASCHANGINGOPERATI ONMAYBEPERF ORMEDW ITHTHE GENERATORATSTANDSTILL, ON TURNING GEAR, ORROLLI NGATSPEED NOT EXCEED I NG I OOORPM, 2

SHAFT SEALOILPRESSUREMUSTBE MAINTA I NED 3

THENORMAL SETTI NGOFVALVES I S I ND I CATED ONTHEDIAGRAM Rf Pl AC I NG A IR AND CO 2 DI SCONNECT THE REMOVABLE LINKS "A"

~ "H". DISCONNECT REMOVABLE LINK "J" ON WATER DI AGRAM, CLOSE VALVE S I, 3, 8, 50, t78. OPEN VALVES 2, 4, 5, 7, 60&.70.

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3 ADMITC02BYOPENINGBOTTLEVALVES63T066. OPENVALVESWIDEANDDONOTTHROTTLE.

OBSERVE CO2 RELIEF VALVE OR PRESSURE GAUGE TODETERMINETHENUMBEROF BOTTLES THAT MAY BE OPENED.

BOTTLES ARE EMPTY WHEN FROST DI SAPPEARS FROM THE FLE XIBLE LEADERS. ON E AND ONE-HALF VOLUMES OF CO2 ARE REQUIRED. STANDARDC02BOTTLESCONTAIN440CUBICFEET. PURITYSHOULDREAD951/4 GREATER IN CO2*

IISINGBIIIKSUPPIY:

BULK CO2 SUPPL Y MAY BE USED FOR PURGING. CLOSE VALVE 60, OPEN VALVES 69 ~ 70, ADMIT CO2 PER SAME I NSTRUCTI ONS AS FOR CYLI NDERS.

WHEN FINI SHED, CHANGE FOLL OW I NG VALVES BACK TO NORMAL, CLOSE VALVES 2, 4, 5, 7, 60 AND 70, OPEN VALVES I AND 3.

Rf Pl AC I NG Co2_J\IJ_]H___H 2 I

REPLACE REMOVABLE LI NK " A" AND OPEN VALVES 6, 8,

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2 OPEN VALVES Bl, 83, 84, 87AND88. OPENPRESSUREREGULATOR"F" AT BOTTLES. HYDROGEN MAY THENBE FEOBYADJUST I NGPRESSUREREGULATOR"G" AT HYDROGEN PRESSURE CONTROL,

FOR MORE RAPID PURGING OPEN VALVE 52. WHENBOTTLEPRESSUREATTHEHYOROGENBOTTLEPRESSUREGAUGE DROPST0200PSIG. CLOSE VALVES 83, 84, B7AND8B. OPEN VALVES 85, 86, B9AND90AND CONTI NUE. TWO AND ONE-HALF VOLUMES OF H2 ARE REQUIRED TO REPLACE CO2 IN THE GENERATOR AT ONE-HALFPSI G. ONE ADD ITI ONAL VOLUME I SREOUJREOFOREACH 15PSIGINCREASE IN PRESSURE.

STANDARD H2 BOTTLESCONTA IN190CUBICFEET. PURITYMETERSHOULDREAD951/4GREATER INH2*

IISINGRUIK Sl!PP!Y:

BULKH 2 SUPPLYMAYBEUSEDFORPURGINGANDFILLING. CLOSEVALVE81 AND OPEN VALVE 79. ADMIT H2PER SAME INSTRUCTIONS AS FOR CYLINDERS.

CLOSE VALVE52 1FUSED, THEN CLOSE VA LVE 6.

OPENVALVE24FORAPPROXI MAT EL YTWOMINUTESTOPURGELOWAREAS, THEN CLOSE VALVE 24.

MAINTAIN DESIRED PRESSURE I NGENERATORBYMEANSOFTHEPRESSUREREGULATOR " G" AT THE HYDROGEN PRESSURE CONTROL.

OPERATI ON I S THENNORMALA S I NDICAT EO ONDIAGRAM.

OPENVALVE 78PER INSTAUCTIONSONWATERDIAGRAM.

8 1NSTALLREMOVABLE LI NK" H" PER WATER DIAGRAM, NORMAL H 2 OP ERATI ON SETPRESSUREREGULATOR " G" ON THEHYDROGENPRESSURECONTROLTOMAINTAINTHEDESIREOHYDROGEN PRE SSURE IN THE GENERATOR. THEPRE SSUREMAYBEVARIEDT075PSIG.

Rf Pl Ac; I NG H2..11'.1..I..!:: 2 I

CLOSE VALVES B, 50, 53 ~ 78. OPEN VALVE 7 ANO VENT HYDROGEN PRESSURE.

2 DI SCONNECTREMOVABLE "LI NKA",

J THI S-OPERATIONIS THE SAMEASREPLACINGAIRWITHC0 2 EXCEPTTHATTWO VOLUMESOFC0 2 ARE REOUIRED.

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TURBINE AND GENERATOR ASSOCIATED SYSTEMS DRAW! NG SHEET PAGE REV 10 2022 6

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