To limit the probability that the installation of portable extinguishers will not be appropriate for the type of fire hazard present, which could lead to the ineffectiveness of the extinguishers to suppress or control a fire, which could lead to the spread of fire, which could lead to damage to the building.
To limit the probability that portable extinguishers will not be readily accessible, which could lead to delays in carrying out fire suppression operations using the portable extinguishers, which could lead to the spread of fire, which could lead to damage to the building.
To supersede Sentence 2.1.5.1.(1), which exempts the installation of portable extinguishers in dwelling units.