ML16130A156

TMI Fhar Volume 1 (007) Chapter 4A

ML16130A156
Person / Time
Site:	Three Mile Island
Issue date:	04/11/2016
From:	Exelon Generation Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML16127A520	List: ML16127A469 ML16127A471 ML16127A474 ML16127A476 ML16127A477 ML16127A479 ML16127A480 ML16127A481 ML16127A483 ML16127A484 ML16127A485 ML16127A486 ML16127A491 ML16127A492 ML16127A493 ML16127A494 ML16127A495 ML16127A496 ML16127A498 ML16127A499 ML16127A500 ML16127A501 ML16127A502 ML16127A503 ML16127A504 ML16127A506 ML16127A507 ML16127A508 ML16127A510 ML16127A511 ML16127A512 ML16127A513 ML16127A514 ML16127A516 ML16127A517 ML16127A518 ML16127A519 ML16127A521 ML16130A150 ML16130A151 ML16130A152 ML16130A153 ML16130A154 ML16130A155 ML16130A156 ML16130A157 ML16130A158 ML16130A159 ML16130A161 ML16130A162 ... further results
References
TMI-16-035
Download: ML16130A156 (70)

Text

4-1fhar4a.tmi/Rev.274.0FIRE HAZARDS ANALYSIS4.1Reactor BuildingBUILDING FIRE AREA BOUNDARY CONSTRUCTION FEATURESBuilding: REACTOR BUILDINGElev.: 281' through 468'4-1/2"Fire Area Name: REACTOR BUILDINGLength: 130 ft.Width: 130 ft.Height: 187 ft.Area(Approx.): 13,273 ft2each elevationDrawings: 1-FHA-017, 018, 019, 020, 021, 022, 023 and 024Fire Area Boundaries:Fire Area Boundary Barrier Ratings:Fire Loading:hoursDesign Rating:3hoursThe Fire Area Boundary Components Are As Follows:Walls:North-Reinforced ConcreteSouth-Reinforced ConcreteEast-Reinforced ConcreteWest-Reinforced ConcreteCeiling:Reinforced ConcreteFloor:Reinforced ConcreteDoors:Entrance is through double water tight doors, equipment or access hatches which donot have a UL labeled rating because of overriding nuclear considerations. However,their construction is considered adequate to contain fires, which could be postulatedon either side of them.

4-1fhar4a.tmi/Rev.274.0FIRE HAZARDS ANALYSIS4.1Reactor BuildingBUILDING FIRE AREA BOUNDARY CONSTRUCTION FEATURESBuilding: REACTOR BUILDINGElev.: 281' through 468'4-1/2"Fire Area Name: REACTOR BUILDINGLength: 130 ft.Width: 130 ft.Height: 187 ft.Area(Approx.): 13,273 ft2each elevationDrawings: 1-FHA-017, 018, 019, 020, 021, 022, 023 and 024Fire Area Boundaries:Fire Area Boundary Barrier Ratings:Fire Loading:hoursDesign Rating:3hoursThe Fire Area Boundary Components Are As Follows:Walls:North-Reinforced ConcreteSouth-Reinforced ConcreteEast-Reinforced ConcreteWest-Reinforced ConcreteCeiling:Reinforced ConcreteFloor:Reinforced ConcreteDoors:Entrance is through double water tight doors, equipment or access hatches which donot have a UL labeled rating because of overriding nuclear considerations. However,their construction is considered adequate to contain fires, which could be postulatedon either side of them.