Passive fire protection system for energized electric utility facilities and method of installation
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United States of America Patent
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Jul 14, 2009
Grant Date -
May 21, 2009
app pub date -
Nov 19, 2008
filing date -
Nov 19, 2007
priority date (Note) -
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Abstract
A passive fire protection system for a power facility having a fire resistant wrap enclosing cable joints and adjacent power cables; a fire resistant sheet carried between the power cables and the control cables defining a fire barrier to resist fire from the power cables damaging the control cables; a fire resistant wrap on a cable drop section of the control cables so that the cable drop section is protected from burning power cables; a radiant heat shield carried on a bottom side of a hatchway cover leading from the room containing the power cables to deflect heat from passing through the hatchway cover into a floor above the basement; and, a fire penetration seal in each cable penetration opening to resist fire and heat from passing upward into adjacent floors of the power facility.
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