ML21305A826

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6 to Updated Final Safety Analysis Report, Figure 9.4-8, Drawing 516103-1, Mechanical Ventilation Flow Diagrams
ML21305A826
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/11/2021
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21306A142 List: ... further results
References
DCL-21-074
Download: ML21305A826 (1)
v • d • e


Text

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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 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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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.

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LL Ol,:

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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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EXHAUST I

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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

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