ML20268A580

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5 to Updated Final Safety Analysis Report, Chapter 3, Drawing 108022, Sheet 6, Rev. 37, Turbine and Generator Associated Systems
ML20268A580
Person / Time
Site: Diablo Canyon  
Issue date: 06/30/2020
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20268B299 List: ... further results
References
DCL-20-075
Download: ML20268A580 (1)
v • d • e


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HYDROGEN EQUIPMENT GROUPED TOGETHEP BELOW GENERATOR ON FOUNDATION WITHIN EASY REACH FROM FLOOR-.

"WATER DETECTOR HIGH" ALARM LS-7 (,:1-cl3c)

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I D-0 I I 3 D-0 I I 3 TO COIJTROL BOARD INDICATIOII Al-ID' __________________________ _

ALARfvf HYDROGEI\\I PRESSURE I lvlD I CAT OR ~

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PRESSURE INDICATOR OTO 200 11\\ICHES WATER I 2A i 1-HYDROGEN PRESSURE 1

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~GEllERATOR FAIi DIFFEREl~TIAL PRESSURE TRANS11ITTER HYDROGEN PURITY IIJDICATOR OTO 1001:

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67 68 GAS ALARMS il7 HYDROGEIJ PURITY -

HIGH OR LOW l27 HYDROGEN PRESSURE -

HIGH OR LOW m HYDROGEN SUPPLY PRESSURE -

LOW LJ WATER DETECTOR -

HIGH l_:iJ H !DROGEII TEl*1PERATURE -

HIGH 69 LEGEND PRESSURE SWITCH PRESSURE GAUGE VALVE !.NORMALLY CLOSED)

VALVE (NORMALLY OPEN!

RELIEF VALVE

-tF TWO-WAY VALVE

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ELECT R I CAL CO I~ II EC T I O IN GENERATOR COLD GAS THERl IOSTAT "HYDROGEl*I TEMPERATURE-HIGH" PRESSURE REGULATOR ALARM TS-3 <:=c-AI=~>

CONDENSED OPERATING INSTRUCTIONS GEl!ERAL I, THE GAS CHANGING OPERATION MAY BE PERFOPHED WITH THE GENEPATOR AT STAIIDSTILL, OIN TURNIING GEAR, OR ROLLIIIG AT SPEED INOT E>CEEDIING 1000 RPM, 2, SHAFT SEAL OIL PRESSURE HUST BE MAINTAINED, 3, THE NORMAL SETTING OF VALVES IS INDICATED ON THE DIAGRAM, REPLACING AIR WITH CO, I, DISCOIJIJECT THE REMOVABLE LIIIKS "A" & "H",

DISCOINl'IECT REMOVABLE LIINK "J" 011 WA TEP DI AGRAM, 2, CLOSE VALVES I, 3, 8, 50 & 78 OPEil VALVES 2, 4, 5, 7, 60 & 70, USING CYLINDERS:

3, ADMIT CO, BY OPENING BOTTLE VALVES 63 TO 66, OPEN VALVES WIDE AND DO NOT

THROTTLE, OBSERVE CO, RELIEF VALVE OR PRESSURE GAUGE TO DETERMINE THE NUMBER OF BOTTLES THAT MAY BE OPENED, BOTTLES ARE EMPTY WHEN FROST DISAPPEARS FROM THE FLEXIBLE LEADERS, ONE AND ONE-HALF VOLUMES OF CO, ARE
REQUIRED, STANDARD CO 2 BOTTLES CONTAIN 440 CUBIC FEET, PURITY SHOULD READ 95% GREATER IN CO,,

USING BULK SUPPLY:

BULK CO, SUPPLY MAY BE USED FOR PURGING, CLOSE VALVE 60, OPEN VALVES 69 AND 70, ADMIT CO, PEP SAME INSTRUCTIONS AS FOR CYLINDERS, 4,

WHEl,1 FIIIISHED, CHAIIGE FOLLOWIIIG VALVES BACK TO 1-l RMAL, CLOSE VALVES 2, 4, 5, 7, 6 0 A 1-1 D 7 0, 0 PE l*I VALVE 5 I A IND 3, REPLACING CO 2 WI TH H, I, REPLACE REl*IOVABLE LIIIK "A" AI\\ID OPEii VALVES 6, 8 & 50, USING CYLINDERS:

2, OPEil VALVES 81, 83, 84, 87 AIND 88, OPEIN PRESSURE REGULATOR "F" AT BOTTLES, HYDROGEN HAY THEN BE FED BY ADJUSTING PRESSURE REGULATOR G AT HYDROGEN PRESSURE CONTROL, FOR MORE RAPID PURGING OPEN VALVE 52, WHEN BOTTLE PRESSURE AT THE HYDROGEN BOTTLE PRESSURE GAUGE DROPS TO 200 RSIG, CLOSE VALVES 83, 84, 87 All 88, OPEii VALVES 85, 86, 89 All 90 AI\\ID CO~ITIIIUE, TWO AND ONE-HALF VOLUHES OF H, ARE REQUIRED TO REPLACE CO, IN THE GENERATOR AT ONE-HALF PSIG, ONE ADDITIONAL VOLUME IS REQUIRED FOR EACH 15 PSIG INCREASE

!~I PRESSURE, STAIJDARD H2 BOTTLES CONTA!l,I 190 CUBIC FEET, PURITY HETER SHOULD READ 95% GREATER IN H,,

USING BULK SUPPLY:

BULK. H2 SUPPLY l-1AY USED BE FOR PURGIIJG AND FILLIIIG, CLOSE VALVE Bl All OPEN VALVE 79, ADMIT H, PER SAME INSTRUCTIONS AS FOR CYLINDERS, 3, CLOSE VALVE 52 IF USED, THEl*I CLOSE VALVE 6, RV-93 f 70 IJOT E 4 I "

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4, PEIN VALVE 24 FOP APPROXJl,IATELY TWO HlllUTES TO PURGE LOW AREAS, THEil CLOSE VALVE 24, 5, MAINTAIN DESIRED PRESSUPE IN GENERATOR BY MEANS OF THE PRESSUPE REGULATOR "G" AT THE HYDPOGEIJ PPESSUPE COIJTROL,

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- OF SPEC 8724 CO 2 FEED PRESSURE GAUGE 0-100 PC:!

Pl-L12 PRESSURE REGULATOR "F" 0 TO I 00 PCV-36 PSIG HYDROGEN 83/i 84\\/ 85 VEIJT HEADER I

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PG&E GENERATOR GAS MANIFOLD HYDROGEN BOTTLES GAS DIAGRAM (DC-663237-9)

N1JTES, I, ALL PIP I hlG 01\\1 TH IS SHEET PG&E CLASS "E",

2, REFER TO DC-663287-16 FOR PRESSURE MEASURING STATION CONFIGURATION, 3,

VALVES 5, 6 & 7 SUPPLIED BY PG&E; PACK.LESS HETAL DIAPHRAGM WITH SOFT SEAT KEROTEST OR EQUIVALENT,

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4, THIS PIPE SECTION USED TO CONNECT TO THE REPLACED GAS DRYER A I~ D SH ALL BE AB A I! DONE D I N PLACE FOR FUTURE USE, @])

5, EXISTII-IG VALVE REPLACED WITH CRAl~E MODEL 1\\10, 384P ~

6, "AOUATROL" I" BROlliE VALVE (JvlODEL 89i SET TO OPEil AT 100 PSIG, 0 I - 0 3 - 2 0 I 7 Z I~ S 4 F xC 2 NOT REOU I RED PER CF3, I D5 I \\;

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,-HYDROGEN PRESSURE 1

HIGH OR LOW ALARl*I f m PANEL REVISED PER DFT-7*3941 6, OPERATION IS THEN NORMAL AS INDICATED ON DIAGRAM, 7, OPEN VALVE 78 PER INSTRUCTIONS ON WATER DIAGRAH, 8,

IIJSTALL REl*IOVABLE LIiii< "H" PER WATER DIAGRAM, IIORl,IAL H2 OPERATION SET PRESSURE REGULATOR "G" 011 THE HYDROGEII PRESSURE COIITROL TO l0IAIIITAIIJ THE DESIRED HYDROGEN PRESSURE IN THE GENERATOR, THE PRESSURE HAY BE VARIED TO 75 PSIG, REPLAC I flG H 2 WI TH CO 2 I, CLOSE VALVES 8, 50, 53 & 78 OPEN VALVE 7 AND VEIIT HYDROGEIJ PRESSURE, 2, DISCOl*ll'1ECT REMOVABLE L]I\\IK "A",

3, TH I S OPERA T I O II I S THE SAME AS REP LAC I II G A I R WI TH CO, EXCEPT THAT TWO VOLUMES OF CO, ARE REQUIRED, PRESSURIZATION OF STATOR COIL WATER SYSTEM FOR PRESSURIZATION OF THE STATOR COIL WATER SYSTEM, SEE STATOR COIL WATER

DIAGRAM, DIABLO CANYON POWER TURBINE AND GENERATOR PLAI\\JT -

PG&E C(),

ASSOCIATED SYSTEMS

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