ML21305A826

6 to Updated Final Safety Analysis Report, Figure 9.4-8, Drawing 516103-1, Mechanical Ventilation Flow Diagrams

ML21305A826
Person / Time
Site:	Diablo Canyon
Issue date:	10/11/2021
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML21306A142	List: DCL-21-074, 6 to Updated Final Safety Analysis Report, Figure 3.2-4, Sheet 1 of 16, Drawing 102004-3, Turbine Steam Supply System ML21305A089 ML21305A090 ML21305A091 ML21305A092 ML21305A093 ML21305A094 ML21305A095 ML21305A096 ML21305A097 ML21305A098 ML21305A099 ML21305A101 ML21305A102 ML21305A103 ML21305A104 ML21305A105 ML21305A106 ML21305A112 ML21305A113 ML21305A114 ML21305A115 ML21305A116 ML21305A117 ML21305A118 ML21305A119 ML21305A120 ML21305A121 ML21305A122 ML21305A123 ML21305A124 ML21305A125 ML21305A126 ML21305A127 ML21305A128 ML21305A129 ML21305A130 ML21305A131 ML21305A132 ML21305A133 ML21305A134 ML21305A135 ML21305A136 ML21305A137 ML21305A138 ML21305A139 ML21305A140 ML21305A141 ML21305A142 ML21305A143 ... further results
References
DCL-21-074
Download: ML21305A826 (1)

Text

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BACKDRAFT DAMPER IBDDl INTAKE/EXHAUST PLENUM SUPPLY/EXHAUS1 FAN CEILING/WALL REGISTER SUPPLY DUCT EXHAUST DUCT MOTORIZED CONTROL DAMPER FILTER BOX (FBl NOTES:

I, THE CFM FIGURES FOR THE ROOMS/AREAS ARE DESIGN VALUES FOR WHEN 2700 CFM IS SUPPLIED TO THE CABLE SPREADING ROOM BY TH IS SYSTEM. FOR ACTUAL VALUES, SEE AIR BALANCE REPORT.

FLOW DIAGRAM FOR INVERTER ROOMS Sc 480V SWITCHGEAR ROOMS IN AUXILIARY BLDG !UNIT I l (SCHEMATIC ONLYl TURBINE

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AUX BLDG 2FE BLDG ELEV 140'-0" ELEV I 19" -0" ELEV 104' -0" 5NPG 5 Size AREA "H" 05f I,I BOD 46 LEGEND:

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I, THE CFM FIGURES FOR THE ROOMS/AREAS ARE DESIGN VALUES FOR WHEN 2700 CFM IS SUPPLIED TO THE CABLE SPREADING ROOM BY TH IS SYSTEM. FOR ACTUAL VALUES, SEE A IR BALANCE REPORT.

FLOW DIAGRAM FOR INVERTER ROOMS Sc 480V SWITCHGEAR ROOMS IN AUXILIARY BLDG (UNJT 2)

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• DAMPER POSITION TABLE AC-170 MD-280 MD-281 MD-282 ON THROTTLED CLOSE CLOSE OPEN OFF CLOSE THROTTLED THROTTLED OPEN OPEN NOTE 1: CABLE SPREADING ROOM IS NORMALLY AIR CONDITIONED BY CLASS II UNIT AC-170.

WHEN AC-170 IS NOT IN OPERATION, 2700 CFM FROM CLASS I SYSTEM IS DISTRIBUTED PROPORTIONALLY THROUGH 0

LL Ol,:

'.u 9 OUTLETS, 400 CFM 2AC-l 70 ON OFF TO E-28 LEGEND:

FD FIRE DAMPER MD MANUAL DAMPER SD SMOKE DAMPER FOR REF. ONLY~

SEE DWG 52164

• DAMPER POSITION TABLE 2MD-336 2MD-337 2MD-338 THROTTLED CLOSE CLOSE OPEN CLOSE THROTTLED THROTTLED OPEN OPEN NOTE 1: CABLE SPREADING ROOM IS NORMALLY AIR CONDITIONED BY CLASS II UNIT 2AC-170.

WHEN 2AC*l70 JS NOT IN OPERATION, 2100 CFM FROM CLASS I SYSTEM IS DISTRIBUTED PROPORTIONALLY THROUGH 9 OUTLETS.

LEGEND:

FD FIRE DAMPER MD MANUAL DAMPER SD SMOKE DAMPER 0

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DATE 11-28-2017 REVISION DESCRIPTION

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NOTES:

I. FOR LOCATION OF DAMPERS, SEE DWG 59347.

2, FOR ELECTRICAL SCHEMATIC DIAGRAM AND LOCATION DRAWINGS, SEE DWG 338213 AND

57612, OPERATION PROCEDURES:

I. A SIGNAL FROM THE CO, SYSTEM WILL CLOSE THE FIRE DAMPERS AND SMOKE DAMPERS IN THE SUPPLY AND EXHAUST DUCT. NO AIR WILL BE SUPPLIED/EXHAUSTED INTO/FROM THE CABLE SPREADING ROOM, 2, RESETTING OF THE FIRE AND SMOKE DAMPERS WILL BE DONE MANUALLY.

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\\_ETL SUPPLY FIRE~ SMOKE DAMPER CONTROLS (UNIT 2>

I, FOR LOCATION OF DAMPERS, SEE DWG 59347.

2. FOR ELECTRICAL SCHEMATIC DIAGRAM AND LOCATION DRAWINGS, SEE DWG 338213 AND 57612.

OPERATION PROCEDURES:

I. A SIGNAL FROM THE CO, SYSTEM WILL CLOSE THE FIRE DAMPERS AND SMOKE DAMPERS IN THE SUPPLY AND EXHAUST DUCT. NO AIR WILL BE SUPPLIED/EXHAUSTED INTO/FROM THE CABLE SPREADING ROOM,

2. RESETTING OF THE FIRE AND SMOKE DAMPERS WILL BE DONE MANUALLY, UNIT I & 2 MECHANICAL VENTILATION FLOW DIAGRAMS OIABLO CANYON POWER PLANT PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA DWG SCALE:

BILL OF MATL:

SUPSDS:

SUPS BY:

DRAWING SHEET 516103 PAGE 0

FOLC FOLC FOLC REV 16