Patent ID: 7560644
Filing Date: 2009-07-14
Classification: A62C,F16L,H02G,Y10T

Abstract:
1. A passive fire protection system for a power facility comprising: a series of power cables carried by vertically arranged racks in a basement level of the power facility, wherein cable connectors are included at various points along said power cables to join distal ends of said power cables; a first fire resistant wrap enclosing said cable connectors and extending outwardly along said power cables a predefined distance to resist fire damage resulting from a fire at said cable connectors; said first fire resistant wrap being carried by said power cables on said racks adjacent to said cable connectors both above and below to prevent fire damage to said power cables resulting from said fire at said cable connectors; a plurality of control cables carried on said racks above said power cables for operating various equipment of the power facility; a flexible fire resistant sheet carried between said power cables and said control cables defining a fire deflection barrier, wherein said fire resistant sheet is spaced between said power cables and said control cables creating an air gap to deflect said fire and prevent direct exposure of said control cables to said fire to prevent burning said control cables from said fire; said control cables having a cable drop section extending downwardly from one of said racks beyond said flexible fire resistant sheet and entering a wall opening of said basement, wherein a second fire resistant wrap encloses said cable drop section that extends from said fire resistant sheet to said wall opening so that said cable drop section is protected from said fire; a hatchway opening disposed in a ceiling of said basement having a hatchway cover, wherein a radiant heat shield is applied to a bottom side of said hatchway cover exposed to said basement so that heat from said fire in said basement is deflected from passing through said hatchway cover into a room above said basement; and, a plurality of cable penetration openings disposed in said ceiling of said basement passing said control cables through to the room above, wherein a fire penetration seal is disposed in each of said cable penetration openings to resist said fire and prevent heat from passing upward into said room of the power facility.