3.1.8.6. Maximum Openings

(1)

The size of an opening in an interior fire separation required to be protected with a closure shall be not more than 11 m2, with no dimension more than 3.7 m, if a fire compartment on either side of the fire separation is not sprinklered.

(2)

The size of an opening in an interior fire separation required to be protected with a closure shall be not more than 22 m2, with no dimension more than 6 m, provided the fire compartments on both sides of the fire separation are sprinklered.