[F12-OP1.2]Applies to portion
of Code text: “Access required in Sentence (1) ... provides an opening not less than 1 100 mm high and 550 mm
wide, the sill height of which shall not be more than 900 mm above
the floor.”
To limit the probability of delays or ineffectiveness
in fire emergency response operations, which could lead to the spread
of fire to other parts of the building, which could lead to damage
to the building.